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ESP32-S31NRV16 (QFN-80(8x8)) — Symbol, Footprint IPC-7351B & 3D STEP Model

ESP32-S31NRV16

ESPRESSIFID: C55601453QFN-80(8x8) · 81 Pins · Pitch 0.35mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · ESP32-S31NRV16 (QFN-80(8x8))1ANT2VDDA33VDDA44CHIP_PU5XTAL_32K_N/G6XTAL_32K_P/G7GPIO28GPIO39GPIO410GPIO511VDDPST_112GPIO613GPIO714GPIO815GPIO916GPIO1017GPIO1118VREF_TOUCH19GPIO1220GPIO1321GPIO1422GPIO1523GPIO1624GPIO1725GPIO1826GPIO1927SDIO_DATA028SDIO_DATA129SDIO_DATA230VDD_PSRAM_1P31SDIO_DATA332SDIO_CLK33SDIO_CMD34VDD_PSRAM_1P35VDD_LDO_1P836SPICS37SPIQ38SPIWP39VDD_SPI40SPIHD41SPICLK81GND80VDDA279XTAL_P78XTAL_N77VDDA176GPIO6175GPIO6074GPIO5973GPIO5872MTMS71MTDI70MTCK69MTDO68GPIO5367GPIO5266GPIO5165GPIO5064VDDPST_463VREF_ADC62GPIO4961GPIO4860GPIO4759GPIO4658GPIO4557GPIO4456GPIO4355GPIO4254VDDPST_353GPIO4052GPIO3951GPIO3850GPIO3749GPIO3648GPIO3547GPIO3446GPIO3345USB_DM44USB_DP43VCCA/VDDPST_42SPIDGrid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.858.453.348.343.238.133.027.922.917.812.77.62.5-2.5-7.6-12.7-17.8-22.9-27.9-33.0-38.1-43.2-48.3-53.3-58.4mm
2. 2D FOOTPRINT
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081E=8.00mm · Pitch e=0.35mmD=8.00mm-6-5-4-3-2-101234566543210-1-2-3-4-5-6mm
3. 3D CAD MODEL
Package Body: 8.00mm × 8.00mm · Pitch: 0.35mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (81/81)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1ANTI/OMultiplexed I/O & Peripheral Pin ANT (General)
2VDDA3PowerPower Supply Input (VDDA3 — 3.3V VDD3P3 (3.0V ~ 3.6V))
3VDDA4PowerPower Supply Input (VDDA4 — 3.3V VDD3P3 (3.0V ~ 3.6V))
4CHIP_PUISystem Enable & Hardware Reset (CHIP_PU)
5XTAL_32K_N/GPIO0I/OMultiplexed I/O & Peripheral Pin XTAL_32K_N/GPIO0 (RTC/CLK)
6XTAL_32K_P/GPIO1I/OMultiplexed I/O & Peripheral Pin XTAL_32K_P/GPIO1 (RTC/CLK)
7GPIO2I/OMultiplexed I/O & Peripheral Pin GPIO2 (General)
8GPIO3I/OMultiplexed I/O & Peripheral Pin GPIO3 (General)
9GPIO4I/OMultiplexed I/O & Peripheral Pin GPIO4 (General)
10GPIO5I/OMultiplexed I/O & Peripheral Pin GPIO5 (General)
11VDDPST_1PowerPower Supply Input (VDDPST_1 — 3.3V VDD3P3 (3.0V ~ 3.6V))
12GPIO6I/OMultiplexed I/O & Peripheral Pin GPIO6 (General)
13GPIO7I/OMultiplexed I/O & Peripheral Pin GPIO7 (General)
14GPIO8I/OMultiplexed I/O & Peripheral Pin GPIO8 (General)
15GPIO9I/OMultiplexed I/O & Peripheral Pin GPIO9 (General)
16GPIO10I/OMultiplexed I/O & Peripheral Pin GPIO10 (General)
17GPIO11I/OMultiplexed I/O & Peripheral Pin GPIO11 (General)
18VREF_TOUCHAnalogMultiplexed I/O & Peripheral Pin VREF_TOUCH (General)
19GPIO12I/OMultiplexed I/O & Peripheral Pin GPIO12 (General)
20GPIO13I/OMultiplexed I/O & Peripheral Pin GPIO13 (General)
21GPIO14I/OMultiplexed I/O & Peripheral Pin GPIO14 (General)
22GPIO15I/OMultiplexed I/O & Peripheral Pin GPIO15 (General)
23GPIO16I/OMultiplexed I/O & Peripheral Pin GPIO16 (General)
24GPIO17I/OMultiplexed I/O & Peripheral Pin GPIO17 (General)
25GPIO18I/OMultiplexed I/O & Peripheral Pin GPIO18 (General)
26GPIO19I/OMultiplexed I/O & Peripheral Pin GPIO19 (General)
27SDIO_DATA0I/OMultiplexed I/O & Peripheral Pin SDIO_DATA0 (General)
28SDIO_DATA1I/OMultiplexed I/O & Peripheral Pin SDIO_DATA1 (General)
29SDIO_DATA2I/OMultiplexed I/O & Peripheral Pin SDIO_DATA2 (General)
30VDD_PSRAM_1P8_1PowerPower Supply Input (VDD_PSRAM_1P8_1 — 3.3V VDD3P3 (3.0V ~ 3.6V))
31SDIO_DATA3I/OMultiplexed I/O & Peripheral Pin SDIO_DATA3 (General)
32SDIO_CLKI/OMultiplexed I/O & Peripheral Pin SDIO_CLK (General)
33SDIO_CMDI/OMultiplexed I/O & Peripheral Pin SDIO_CMD (General)
34VDD_PSRAM_1P8_2PowerPower Supply Input (VDD_PSRAM_1P8_2 — 3.3V VDD3P3 (3.0V ~ 3.6V))
35VDD_LDO_1P8PowerPower Supply Input (VDD_LDO_1P8 — 3.3V VDD3P3 (3.0V ~ 3.6V))
36SPICSI/OMultiplexed I/O & Peripheral Pin SPICS (SPI)
37SPIQI/OMultiplexed I/O & Peripheral Pin SPIQ (SPI)
38SPIWPI/OMultiplexed I/O & Peripheral Pin SPIWP (SPI)
39VDD_SPIPowerRegulated Power Output (VDD_SPI — 3.3V VDD3P3 (3.0V ~ 3.6V))
40SPIHDI/OMultiplexed I/O & Peripheral Pin SPIHD (SPI)
41SPICLKI/OMultiplexed I/O & Peripheral Pin SPICLK (SPI)
42SPIDI/OMultiplexed I/O & Peripheral Pin SPID (SPI)
43VCCA/VDDPST_2PowerPower Supply Input (VCCA/VDDPST_2 — 3.3V VDD3P3 (3.0V ~ 3.6V))
44USB_DPI/OMultiplexed I/O & Peripheral Pin USB_DP (USB)
45USB_DMI/OMultiplexed I/O & Peripheral Pin USB_DM (USB)
46GPIO33I/OMultiplexed I/O & Peripheral Pin GPIO33 (General)
47GPIO34I/OMultiplexed I/O & Peripheral Pin GPIO34 (General)
48GPIO35I/OMultiplexed I/O & Peripheral Pin GPIO35 (General)
49GPIO36I/OMultiplexed I/O & Peripheral Pin GPIO36 (General)
50GPIO37I/OMultiplexed I/O & Peripheral Pin GPIO37 (General)
51GPIO38I/OMultiplexed I/O & Peripheral Pin GPIO38 (General)
52GPIO39I/OMultiplexed I/O & Peripheral Pin GPIO39 (General)
53GPIO40I/OMultiplexed I/O & Peripheral Pin GPIO40 (General)
54VDDPST_3PowerPower Supply Input (VDDPST_3 — 3.3V VDD3P3 (3.0V ~ 3.6V))
55GPIO42I/OMultiplexed I/O & Peripheral Pin GPIO42 (General)
56GPIO43I/OMultiplexed I/O & Peripheral Pin GPIO43 (General)
57GPIO44I/OMultiplexed I/O & Peripheral Pin GPIO44 (General)
58GPIO45I/OMultiplexed I/O & Peripheral Pin GPIO45 (General)
59GPIO46I/OMultiplexed I/O & Peripheral Pin GPIO46 (General)
60GPIO47I/OMultiplexed I/O & Peripheral Pin GPIO47 (General)
61GPIO48I/OMultiplexed I/O & Peripheral Pin GPIO48 (General)
62GPIO49I/OMultiplexed I/O & Peripheral Pin GPIO49 (General)
63VREF_ADCI/OMultiplexed I/O & Peripheral Pin VREF_ADC (ADC)
64VDDPST_4PowerPower Supply Input (VDDPST_4 — 3.3V VDD3P3 (3.0V ~ 3.6V))
65GPIO50I/OMultiplexed I/O & Peripheral Pin GPIO50 (General)
66GPIO51I/OMultiplexed I/O & Peripheral Pin GPIO51 (General)
67GPIO52I/OMultiplexed I/O & Peripheral Pin GPIO52 (General)
68GPIO53I/OMultiplexed I/O & Peripheral Pin GPIO53 (General)
69MTDOI/OMultiplexed I/O & Peripheral Pin MTDO (SWD/JTAG)
70MTCKI/OMultiplexed I/O & Peripheral Pin MTCK (SWD/JTAG)
71MTDII/OMultiplexed I/O & Peripheral Pin MTDI (SWD/JTAG)
72MTMSI/OMultiplexed I/O & Peripheral Pin MTMS (SWD/JTAG)
73GPIO58I/OMultiplexed I/O & Peripheral Pin GPIO58 (General)
74GPIO59I/OMultiplexed I/O & Peripheral Pin GPIO59 (General)
75GPIO60I/OMultiplexed I/O & Peripheral Pin GPIO60 (General)
76GPIO61I/OMultiplexed I/O & Peripheral Pin GPIO61 (General)
77VDDA1PowerPower Supply Input (VDDA1 — 3.3V VDD3P3 (3.0V ~ 3.6V))
78XTAL_NI/OMultiplexed I/O & Peripheral Pin XTAL_N (RTC/CLK)
79XTAL_PI/OMultiplexed I/O & Peripheral Pin XTAL_P (RTC/CLK)
80VDDA2PowerPower Supply Input (VDDA2 — 3.3V VDD3P3 (3.0V ~ 3.6V))
81GNDGNDGround Reference Pin (GND)
PIN 1 ANT
I/O
Multiplexed I/O & Peripheral Pin ANT (General)
Design note: Signal terminal ANT (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: ANT. Supported peripheral buses: General.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 12 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: ESP32-S31NRV16 (ESPRESSIF · QFN-80(8x8))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
ESP32-S31NRV16 (QFN-80(8x8)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
ESP32-S31NRV16 (QFN-80(8x8)) - 2. Standard Pinout (Top View)
True package pinout (81 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
ESP32-S31NRV16 (QFN-80(8x8)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
ESP32-S31NRV16 (QFN-80(8x8)) - 4. Package Dimensions (D×E×A)
QFN-80(8x8) · 8.00×8.00mm · Pitch 0.35mmExpand ›
5. Recommended Land PatternLAND PATTERN
ESP32-S31NRV16 (QFN-80(8x8)) - 5. Recommended Land Pattern
IPC-7351B Footprint (81 Pads)Expand ›
6. Application SchematicSCHEMATIC
ESP32-S31NRV16 (QFN-80(8x8)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (12 figures · Page 1/1)
Showing 1–12 of 12 uncropped original figures for ESP32-S31NRV16
P1 · p01_fig011978×2068px
ESP32-S31NRV16 (QFN-80(8x8)) — I ESP32-S31 AFILES Ar - BOR AUG TS tise ni vo.s
I ESP32-S31 AFILES Ar - BOR AUG TS tise ni vo.s
P1 · p01_fig02337×313px
ESP32-S31NRV16 (QFN-80(8x8)) — ) ESPRESSIF
) ESPRESSIF
P2 · p02_fig011826×424px
ESP32-S31NRV16 (QFN-80(8x8)) — PDF Figure p02_fig01 (Page 2 — OTHER_DIAGRAM)
PDF Figure p02_fig01 (Page 2 — OTHER_DIAGRAM)
P2 · p02_fig021220×1699px
ESP32-S31NRV16 (QFN-80(8x8)) — PDF Figure p02_fig02 (Page 2 — REPRESENTATIVE_PHOTO)
PDF Figure p02_fig02 (Page 2 — REPRESENTATIVE_PHOTO)
P2 · p02_fig02P2
ESP32-S31NRV16 (QFN-80(8x8)) — Datasheet Page 2 (p02_fig02)
Datasheet Page 2 (p02_fig02)
P68 · p68_fig01953×666px
ESP32-S31NRV16 (QFN-80(8x8)) — EBLBEX (Host mode) fFtE - © 16 PAbLiMt - © AP RX FIFO: hi FAT SES FAK AEH SE A
EBLBEX (Host mode) fFtE - © 16 PAbLiMt - © AP RX FIFO: hi FAT SES FAK AEH SE A
P68 · p68_fig021828×443px
ESP32-S31NRV16 (QFN-80(8x8)) — PDF Figure p68_fig02 (Page 68 — OTHER_DIAGRAM)
PDF Figure p68_fig02 (Page 68 — OTHER_DIAGRAM)
P68 · p68_fig031737×490px
ESP32-S31NRV16 (QFN-80(8x8)) — © RA USB 2.0 Swine, fe Ea AGA 12 Mbit/s (GERL, TAPS ARA SCHR 480 Mbit/s Ay ee te HE xt) © 417 CDC-ACM ste HEB HR STAG ih AC ttt) AE e Beth He flash © FIST AVEY STAG 484, 3C4 CPU ialist 0 A MSE BLIY) 4234 USB PHY
© RA USB 2.0 Swine, fe Ea AGA 12 Mbit/s (GERL, TAPS ARA SCHR 480 Mbit/s Ay ee te HE xt) © 417 CDC-ACM ste HEB HR STAG ih AC ttt) AE e Beth He flash © FIST AVEY STAG 484, 3C4 CPU ialist 0 A MSE BLIY) 4234 USB PHY
P68 · p68_fig041827×721px
ESP32-S31NRV16 (QFN-80(8x8)) — 4.2.2.8 Ws AU Peles (EMAC) fH DSP RBVA TR PHA (Ethernet PHY), ESP32-S31 HI LATA SP Ry lei] (Ethernet MAC) HER IEEE 802.3 FRYE RIE ABLE» ESP32-S31 DAI MAC #4: DAF RHE: ° 4 IEEE 802.3-2002, HIF LAA MAC. © 4F47 IEEE 1588-2008 pif, FEL a2 BD Sd
4.2.2.8 Ws AU Peles (EMAC) fH DSP RBVA TR PHA (Ethernet PHY), ESP32-S31 HI LATA SP Ry lei] (Ethernet MAC) HER IEEE 802.3 FRYE RIE ABLE» ESP32-S31 DAI MAC #4: DAF RHE: ° 4 IEEE 802.3-2002, HIF LAA MAC. © 4F47 IEEE 1588-2008 pif, FEL a2 BD Sd
P103 · p103_fig011791×2245px
ESP32-S31NRV16 (QFN-80(8x8)) — FAK BAIR, - » 7 7 - HIE SCHAAR
FAK BAIR, - » 7 7 - HIE SCHAAR
P104 · p104_fig011808×1196px
ESP32-S31NRV16 (QFN-80(8x8)) — AGT HR >> - ei ose - 0 PS EIE: SIGE HETA, TEPPER PMCID, LA Bete HP
AGT HR >> - ei ose - 0 PS EIE: SIGE HETA, TEPPER PMCID, LA Bete HP
P105 · p105_fig011797×886px
ESP32-S31NRV16 (QFN-80(8x8)) — PDF Figure p105_fig01 (Page 105 — OTHER_DIAGRAM)
PDF Figure p105_fig01 (Page 105 — OTHER_DIAGRAM)

Technical Specifications & Part Details (ESP32-S31NRV16)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Wireless Wi-Fi / Bluetooth LE SoC Module
Detailed Overview:ESP32-S31NRV16 (QFN-80(8x8)) is a 80-pin wireless wi-fi / bluetooth le soc module featuring a 8.00 × 8.00 × 0.90 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 3.0V ~ 3.6V (Typ 3.3V) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated ADC, RTC/CLK, SPI, SWD/JTAG, USB interfaces.
Operating Supply VoltageV_CC / V_DD
3.0V ~ 3.6V (Typ 3.3V)
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
CPU 240 MHz / RF 2.4 GHz Wi-Fi (802.11b/g/n) + XTAL 40 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_TX(peak) ≈ 310 mA @ 3.3V | Deep-Sleep ≈ 10 µA | I_GPIO(max) = 40 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
8.00 × 8.00 × 0.90 mm (A1=0.03 mm)
Package family: QFN (QFN-80(8x8))
Pin Count & Lead PitchN / e
80 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
ADC, RTC/CLK, SPI, SWD/JTAG, USB
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Boot Strapping Pin Alert (MTDO, MTDI): Do not force conflicting external pull-ups/pull-downs during POR reset.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol81 auto-grouped pins
OK
IPC-7351B Land Pattern81 pads · Pitch 0.35mm
OK
IPC-7525 60% Solder PasteEPAD 6.50×6.50mm windowed grid
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

Mechanical Dimensions & Land Pattern (QFN-80(8x8))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
8.00 × 8.00 mm
Height (A) & Pitch (e)IPC-7351B
A=0.90mm · e=0.35mm
Pad Size (W × L)Level B
0.20 × 0.75 mm
Pins / Total PadsTopology
81P / 81Pad (QUAD_ROW)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
C1, C2
BOM
22µF (or 10µF) X5R + 100nF X7R
0805 + 0402
3V3 supply decoupling for ~500mA Wi-Fi TX bursts — place closest to 3V3 pin; supply must deliver >= 600mA.
R_en + C_en
BOM
R = 10kΩ to 3V3 + C = 1µF to GND
0402 / 0603
Power-On Reset RC delay at EN (CHIP_PU) — 1µF capacitor at EN is REQUIRED for reliable cold boot.
R_boot + SW1
BOM
10kΩ Pull-up + BOOT button
0402 + SMD
Firmware boot-mode strap (IO0 on ESP32/S2/S3, IO9 on ESP32-C3) — on C3 pull IO8 high via 10kΩ for UART/USB download.
D_esd
BOM
USBLC6-2SC6 / LESD5D5.0CT1G
SOT-23-6 / SOD-523
ESD surge protection on USB D+/D- — place right next to USB Type-C connector before IO18/IO19/IO20.
ESP32-S3-MINI-1-N8 / 1U-N4R2
Espressif
100% Drop-inSame 15.4×15.4mm 65-pad footprint as ESP32-S2-MINI-2 — verify USB GPIO 19/20 pin mapping.

Technical Frequently Asked Questions (FAQ) — ESP32-S31NRV16 (QFN-80(8x8))

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats
IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of ESP32-S31NRV16 (QFN-80(8x8))?

Manufactured by ESPRESSIF, the ESP32-S31NRV16 is housed in a QFN-80(8x8) package with 81 pins and a 0.35 mm lead pitch. Key pins include: 1 (ANT: Multiplexed I/O & Peripheral Pin ANT (General)), 2 (VDDA3: Power Supply Input (VDDA3 — 3.3V VDD3P3 (3.0V ~ 3.6V))), 3 (VDDA4: Power Supply Input (VDDA4 — 3.3V VDD3P3 (3.0V ~ 3.6V))), 4 (CHIP_PU: System Enable & Hardware Reset (CHIP_PU)), 5 (XTAL_32K_N/GPIO0: Multiplexed I/O & Peripheral Pin XTAL_32K_N/GPIO0 (RTC/CLK)), 6 (XTAL_32K_P/GPIO1: Multiplexed I/O & Peripheral Pin XTAL_32K_P/GPIO1 (RTC/CLK)).

What are the IPC-7351B PCB Footprint dimensions for ESP32-S31NRV16?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), ESP32-S31NRV16 (QFN-80(8x8)) has a nominal body envelope of 8.00 × 8.00 mm, pitch e = 0.35 mm, and 81 copper pads plus a central exposed thermal pad (EPAD) of 6.50 × 6.50 mm with a 60% IPC-7525 windowed solder paste grid.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for ESP32-S31NRV16?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for ESP32-S31NRV16 (ESPRESSIF, QFN-80(8x8)) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (81 pins) & ESP32-S31NRV16 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1ANTRF_50OhmSignal terminal ANT (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: ANT. Supported peripheral buses: General.
2VDDA3Power_InPrimary positive power supply input (VDDA3) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
3VDDA4Power_InPrimary positive power supply input (VDDA4) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
4CHIP_PUDigital_IOChip enable and power-on reset control input (CHIP_PU): High enables the SoC; Low powers down the chip into reset.
5XTAL_32K_N/GPIO0Digital_IOSignal terminal XTAL_32K_N/GPIO0 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: XTAL_32K_N/GPIO0. Supported peripheral buses: RTC/CLK.
6XTAL_32K_P/GPIO1Digital_IOSignal terminal XTAL_32K_P/GPIO1 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: XTAL_32K_P/GPIO1. Supported peripheral buses: RTC/CLK.
7GPIO2Digital_IOSignal terminal GPIO2 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO2. Supported peripheral buses: General.
8GPIO3Digital_IOSignal terminal GPIO3 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO3. Supported peripheral buses: General.
9GPIO4Digital_IOSignal terminal GPIO4 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO4. Supported peripheral buses: General.
10GPIO5Digital_IOSignal terminal GPIO5 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO5. Supported peripheral buses: General.
11VDDPST_1Power_InPrimary positive power supply input (VDDPST_1) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
12GPIO6Digital_IOSignal terminal GPIO6 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO6. Supported peripheral buses: General.
13GPIO7Digital_IOSignal terminal GPIO7 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO7. Supported peripheral buses: General.
14GPIO8Digital_IOSignal terminal GPIO8 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO8. Supported peripheral buses: General.
15GPIO9Digital_IOSignal terminal GPIO9 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO9. Supported peripheral buses: General.
16GPIO10Digital_IOSignal terminal GPIO10 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO10. Supported peripheral buses: General.
17GPIO11Digital_IOSignal terminal GPIO11 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO11. Supported peripheral buses: General.
18VREF_TOUCHAnalogSignal terminal VREF_TOUCH (Analog, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: VREF_TOUCH. Supported peripheral buses: General.
19GPIO12Digital_IOSignal terminal GPIO12 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO12. Supported peripheral buses: General.
20GPIO13Digital_IOSignal terminal GPIO13 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO13. Supported peripheral buses: General.
21GPIO14Digital_IOSignal terminal GPIO14 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO14. Supported peripheral buses: General.
22GPIO15Digital_IOSignal terminal GPIO15 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO15. Supported peripheral buses: General.
23GPIO16Digital_IOSignal terminal GPIO16 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO16. Supported peripheral buses: General.
24GPIO17Digital_IOSignal terminal GPIO17 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO17. Supported peripheral buses: General.
25GPIO18Digital_IOSignal terminal GPIO18 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO18. Supported peripheral buses: General.
26GPIO19Digital_IOSignal terminal GPIO19 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO19. Supported peripheral buses: General.
27SDIO_DATA0Digital_IOSignal terminal SDIO_DATA0 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SDIO_DATA0. Supported peripheral buses: General.
28SDIO_DATA1Digital_IOSignal terminal SDIO_DATA1 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SDIO_DATA1. Supported peripheral buses: General.
29SDIO_DATA2Digital_IOSignal terminal SDIO_DATA2 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SDIO_DATA2. Supported peripheral buses: General.
30VDD_PSRAM_1P8_1Power_InPrimary positive power supply input (VDD_PSRAM_1P8_1) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
31SDIO_DATA3Digital_IOSignal terminal SDIO_DATA3 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SDIO_DATA3. Supported peripheral buses: General.
32SDIO_CLKDigital_IOSignal terminal SDIO_CLK (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SDIO_CLK. Supported peripheral buses: General.
33SDIO_CMDDigital_IOSignal terminal SDIO_CMD (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SDIO_CMD. Supported peripheral buses: General.
34VDD_PSRAM_1P8_2Power_InPrimary positive power supply input (VDD_PSRAM_1P8_2) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
35VDD_LDO_1P8Power_InPrimary positive power supply input (VDD_LDO_1P8) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
36SPICSDigital_IOSignal terminal SPICS (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SPICS. Supported peripheral buses: SPI.
37SPIQDigital_IOSignal terminal SPIQ (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SPIQ. Supported peripheral buses: SPI.
38SPIWPDigital_IOSignal terminal SPIWP (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SPIWP. Supported peripheral buses: SPI.
39VDD_SPIPower_OutRegulated power output rail (VDD_SPI) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
40SPIHDDigital_IOSignal terminal SPIHD (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SPIHD. Supported peripheral buses: SPI.
41SPICLKDigital_IOSignal terminal SPICLK (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SPICLK. Supported peripheral buses: SPI.
42SPIDDigital_IOSignal terminal SPID (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: SPID. Supported peripheral buses: SPI.
43VCCA/VDDPST_2Power_InPrimary positive power supply input (VCCA/VDDPST_2) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
44USB_DPDigital_IOSignal terminal USB_DP (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: USB_DP. Supported peripheral buses: USB.
45USB_DMDigital_IOSignal terminal USB_DM (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: USB_DM. Supported peripheral buses: USB.
46GPIO33Digital_IOSignal terminal GPIO33 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO33. Supported peripheral buses: General.
47GPIO34Digital_IOSignal terminal GPIO34 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO34. Supported peripheral buses: General.
48GPIO35Digital_IOSignal terminal GPIO35 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO35. Supported peripheral buses: General.
49GPIO36Digital_IOSignal terminal GPIO36 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO36. Supported peripheral buses: General.
50GPIO37Digital_IOSignal terminal GPIO37 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO37. Supported peripheral buses: General.
51GPIO38Digital_IOSignal terminal GPIO38 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO38. Supported peripheral buses: General.
52GPIO39Digital_IOSignal terminal GPIO39 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO39. Supported peripheral buses: General.
53GPIO40Digital_IOSignal terminal GPIO40 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO40. Supported peripheral buses: General.
54VDDPST_3Power_InPrimary positive power supply input (VDDPST_3) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
55GPIO42Digital_IOSignal terminal GPIO42 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO42. Supported peripheral buses: General.
56GPIO43Digital_IOSignal terminal GPIO43 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO43. Supported peripheral buses: General.
57GPIO44Digital_IOSignal terminal GPIO44 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO44. Supported peripheral buses: General.
58GPIO45Digital_IOSignal terminal GPIO45 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO45. Supported peripheral buses: General.
59GPIO46Digital_IOSignal terminal GPIO46 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO46. Supported peripheral buses: General.
60GPIO47Digital_IOSignal terminal GPIO47 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO47. Supported peripheral buses: General.
61GPIO48Digital_IOSignal terminal GPIO48 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO48. Supported peripheral buses: General.
62GPIO49Digital_IOSignal terminal GPIO49 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: GPIO49. Supported peripheral buses: General.
63VREF_ADCAnalogSignal terminal VREF_ADC (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: VREF_ADC. Supported peripheral buses: ADC.
64VDDPST_4Power_InPrimary positive power supply input (VDDPST_4) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
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