KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — Symbol, Footprint IPC-7351B & 3D STEP Model

KSZ9031RNXCA-TR

MICROCHIPQFN-48-EP(7x7) · 49 Pins · Pitch 0.50mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · KSZ9031RNXCA-TR (QFN-48-EP(7x7))1AVDDH2TXRXP_A3TXRXM_A4AVDDL5TXRXP_B6TXRXM_B7TXRXP_C8TXRXM_C9AVDDL10TXRXP_D11TXRXM_D12AVDDH13NC14DVDDL15LED2/ PHYAD116DVDDH17LED1/ PHYAD018DVDDL19TXD020TXD121TXD222TXD323DVDDL24GTX_CLK25TX_EN49EP48ISET47NC46XI45XO44AVDDL_PLL43LDO_O42RESET_N41LED_MODE40DVDDH39DVDDL38INT N/_ PME_37MDIO36MDC35RX CLK/_ PHY34DVDDH33CLK125_EN32RXD0/ MODE031RXD1/ MODE130DVDDL29VSS28RXD2/ MODE227RXD3/ MODE326DVDDLGrid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.838.133.027.922.917.812.77.62.5-2.5-7.6-12.7-17.8-22.9-27.9-33.0-38.1mm
2. 2D FOOTPRINT
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849E=7.00mm · Pitch e=0.50mmD=7.00mm-6-5-4-3-2-101234566543210-1-2-3-4-5-6mm
3. 3D CAD MODEL
Package Body: 7.00mm × 7.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (49/49)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1AVDDHPowerPower Supply Input (AVDDH — 3.3V / 5.0V Standard Logic)
2TXRXP_AI/OMultiplexed I/O & Peripheral Pin TXRXP_A (General)
3TXRXM_AI/OMultiplexed I/O & Peripheral Pin TXRXM_A (General)
4AVDDLPowerPower Supply Input (AVDDL — 3.3V / 5.0V Standard Logic)
5TXRXP_BI/OMultiplexed I/O & Peripheral Pin TXRXP_B (General)
6TXRXM_BI/OMultiplexed I/O & Peripheral Pin TXRXM_B (General)
7TXRXP_CI/OMultiplexed I/O & Peripheral Pin TXRXP_C (General)
8TXRXM_CI/OMultiplexed I/O & Peripheral Pin TXRXM_C (General)
9AVDDLPowerPower Supply Input (AVDDL — 3.3V / 5.0V Standard Logic)
10TXRXP_DI/OMultiplexed I/O & Peripheral Pin TXRXP_D (General)
11TXRXM_DI/OMultiplexed I/O & Peripheral Pin TXRXM_D (General)
12AVDDHPowerPower Supply Input (AVDDH — 3.3V / 5.0V Standard Logic)
13NCI/OMultiplexed I/O & Peripheral Pin NC (General)
14DVDDLPowerPower Supply Input (DVDDL — 3.3V / 5.0V Standard Logic)
15LED2/ PHYAD1I/OMultiplexed I/O & Peripheral Pin LED2/ PHYAD1 (General)
16DVDDHPowerPower Supply Input (DVDDH — 3.3V / 5.0V Standard Logic)
17LED1/ PHYAD0/ PME_N1I/OMultiplexed I/O & Peripheral Pin LED1/ PHYAD0/ PME_N1 (General)
18DVDDLPowerPower Supply Input (DVDDL — 3.3V / 5.0V Standard Logic)
19TXD0I/OMultiplexed I/O & Peripheral Pin TXD0 (UART)
20TXD1I/OMultiplexed I/O & Peripheral Pin TXD1 (UART)
21TXD2I/OMultiplexed I/O & Peripheral Pin TXD2 (UART)
22TXD3I/OMultiplexed I/O & Peripheral Pin TXD3 (UART)
23DVDDLPowerPower Supply Input (DVDDL — 3.3V / 5.0V Standard Logic)
24GTX_CLKI/OMultiplexed I/O & Peripheral Pin GTX_CLK (General)
25TX_ENI/OMultiplexed I/O & Peripheral Pin TX_EN (General)
26DVDDLPowerPower Supply Input (DVDDL — 3.3V / 5.0V Standard Logic)
27RXD3/ MODE3I/OMultiplexed I/O & Peripheral Pin RXD3/ MODE3 (UART)
28RXD2/ MODE2I/OMultiplexed I/O & Peripheral Pin RXD2/ MODE2 (UART)
29VSSGNDGround Reference Pin (VSS)
30DVDDLPowerPower Supply Input (DVDDL — 3.3V / 5.0V Standard Logic)
31RXD1/ MODE1I/OMultiplexed I/O & Peripheral Pin RXD1/ MODE1 (UART)
32RXD0/ MODE0I/OMultiplexed I/O & Peripheral Pin RXD0/ MODE0 (UART)
33CLK125_ENI/OMultiplexed I/O & Peripheral Pin CLK125_EN (General)
34DVDDHPowerPower Supply Input (DVDDH — 3.3V / 5.0V Standard Logic)
35RX CLK/_ PHYAD2I/OMultiplexed I/O & Peripheral Pin RX CLK/_ PHYAD2 (General)
36MDCI/OMultiplexed I/O & Peripheral Pin MDC (General)
37MDIOI/OMultiplexed I/O & Peripheral Pin MDIO (General)
38INT N/_ PME_N2I/OMultiplexed I/O & Peripheral Pin INT N/_ PME_N2 (General)
39DVDDLPowerPower Supply Input (DVDDL — 3.3V / 5.0V Standard Logic)
40DVDDHPowerPower Supply Input (DVDDH — 3.3V / 5.0V Standard Logic)
41LED_MODEI/OMultiplexed I/O & Peripheral Pin LED_MODE (General)
42RESET_NISystem Enable & Hardware Reset (RESET_N)
43LDO_OI/OMultiplexed I/O & Peripheral Pin LDO_O (General)
44AVDDL_PLLPowerPower Supply Input (AVDDL_PLL — 3.3V / 5.0V Standard Logic)
45XOI/OMultiplexed I/O & Peripheral Pin XO (RTC/CLK)
46XII/OMultiplexed I/O & Peripheral Pin XI (RTC/CLK)
47NCI/OMultiplexed I/O & Peripheral Pin NC (General)
48ISETI/OMultiplexed I/O & Peripheral Pin ISET (General)
49EPGNDExposed Thermal & Ground Pad (EP)
PIN 1 AVDDH
Power
Power Supply Input (AVDDH — 3.3V / 5.0V Standard Logic)
Design note: 3 .3V/2 .5V (commercial temp only) analog VDD
IPC-7351B Solder Density & Span C/G/Z Tuner

Extracted Drawings Gallery (6 Standard Drawings + 14 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
1. Realistic 3D PackageREPRESENTATIVE
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) - 2. Standard Pinout (Top View)
True package pinout (49 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) - 4. Package Dimensions (D×E×A)
QFN-48-EP(7x7) · 7.00×7.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) - 5. Recommended Land Pattern
IPC-7351B Footprint (49 Pads)Expand ›
6. Application SchematicSCHEMATIC
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (14 figures · Page 1/2)
Showing 1–12 of 14 uncropped original figures for KSZ9031
P1 · p01_fig01376×200px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — Gigabit Ethernet Transceiver with RGMII
Gigabit Ethernet Transceiver with RGMII
P5 · p05_fig011428×1490px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 2-1: 48-QFN PIN ASSIGNMENT (TOP VIEW)
FIGURE 2-1: 48-QFN PIN ASSIGNMENT (TOP VIEW)
P5 · p05_fig01P5
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — Datasheet Page 5 (p05_fig01)
Datasheet Page 5 (p05_fig01)
P65 · p65_fig011127×962px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 9-1: REFERENCE CIRCUITS FOR LED STRAPPING PINS
FIGURE 9-1: REFERENCE CIRCUITS FOR LED STRAPPING PINS
P65 · p65_fig01P65
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — Datasheet Page 65 (p65_fig01)
Datasheet Page 65 (p65_fig01)
P66 · p66_fig011576×498px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 10-1: 25 MHZ CRYSTAL/OSCILLATOR REFERENCE CLOCK CONNECTION
FIGURE 10-1: 25 MHZ CRYSTAL/OSCILLATOR REFERENCE CLOCK CONNECTION
P67 · p67_fig011380×979px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 12-1: TYPICAL GIGABIT MAGNETIC INTERFACE CIRCUIT
FIGURE 12-1: TYPICAL GIGABIT MAGNETIC INTERFACE CIRCUIT
P67 · p67_fig02345×703px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 12-1: TYPICAL GIGABIT MAGNETIC INTERFACE CIRCUIT
FIGURE 12-1: TYPICAL GIGABIT MAGNETIC INTERFACE CIRCUIT
P67 · p67_fig031779×347px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — DS00002117F-page 67  2016-2017 Microchip Technology Inc. | Table 12-2 is a list of compatible single-port magnetics with separated transformer center tap pins on the G-PHY chip side that can be used with the KSZ9031RNX. | TABLE 12-2: COMPA
DS00002117F-page 67  2016-2017 Microchip Technology Inc. | Table 12-2 is a list of compatible single-port magnetics with separated transformer center tap pins on the G-PHY chip side that can be used with the KSZ9031RNX. | TABLE 12-2: COMPA
P69 · p69_fig011579×1570px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 13-1: 48-LEAD QFN 7 MM X 7 MM PACKAGE WITH 3.5 MM X 3.5 MM EXPOSED PAD AREA
FIGURE 13-1: 48-LEAD QFN 7 MM X 7 MM PACKAGE WITH 3.5 MM X 3.5 MM EXPOSED PAD AREA
P70 · p70_fig011578×1528px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 13-2: 48-LEAD QFN 7 MM X 7 MM PACKAGE WITH 5.1 MM X 5.1 MM EXPOSED PAD AREA
FIGURE 13-2: 48-LEAD QFN 7 MM X 7 MM PACKAGE WITH 5.1 MM X 5.1 MM EXPOSED PAD AREA
P71 · p71_fig011580×1701px
KSZ9031RNXCA-TR (QFN-48-EP(7x7)) — FIGURE 13-3: 48-LEAD QFN 7 MM X 7 MM PACKAGE WITH 5.1 MM X 5.1 MM EXPOSED PAD AREA RECOMMENDED LAND PATTERN
FIGURE 13-3: 48-LEAD QFN 7 MM X 7 MM PACKAGE WITH 5.1 MM X 5.1 MM EXPOSED PAD AREA RECOMMENDED LAND PATTERN
Page 1 / 2 (14 extracted figures)

Technical Specifications & Part Details (KSZ9031RNXCA-TR)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:KSZ9031RNXCA-TR (QFN-48-EP(7x7)) is a 48-pin standard electronic & interconnect component featuring a 7.00 × 7.00 × 0.85 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across 55°C to +150°C with integrated RTC/CLK, UART interfaces.
Operating Supply VoltageV_CC / V_DD
1.8V ~ 5.5V (Theo Datasheet)
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
55°C to +150°C
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
125 MHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_GPIO(max) = ±20 mA / pin | I_VDD(total) ≤ 150 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
7.00 × 7.00 × 0.85 mm (A1=0.03 mm)
Package family: QFN (QFN-48-EP(7x7))
Pin Count & Lead PitchN / e
48 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
RTC/CLK, UART
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 (LED2/ PHYAD1, LED1/ PHYAD0/ PME_N1): 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 Symbol49 auto-grouped pins
OK
IPC-7351B Land Pattern49 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteEPAD 5.10×5.10mm 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-48-EP(7x7))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
7.00 × 7.00 mm
Height (A) & Pitch (e)IPC-7351B
A=0.85mm · e=0.50mm
Pad Size (W × L)Level B
0.28 × 0.80 mm
Pins / Total PadsTopology
49P / 49Pad (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
N/A
BOM
Per application circuit
QFN-48-EP(7x7)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — KSZ9031RNXCA-TR (QFN-48-EP(7x7))

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 KSZ9031RNXCA-TR (QFN-48-EP(7x7))?

Manufactured by MICROCHIP, the KSZ9031RNXCA-TR is housed in a QFN-48-EP(7x7) package with 49 pins and a 0.50 mm lead pitch. Key pins include: 1 (AVDDH: Power Supply Input (AVDDH — 3.3V / 5.0V Standard Logic)), 2 (TXRXP_A: Multiplexed I/O & Peripheral Pin TXRXP_A (General)), 3 (TXRXM_A: Multiplexed I/O & Peripheral Pin TXRXM_A (General)), 4 (AVDDL: Power Supply Input (AVDDL — 3.3V / 5.0V Standard Logic)), 5 (TXRXP_B: Multiplexed I/O & Peripheral Pin TXRXP_B (General)), 6 (TXRXM_B: Multiplexed I/O & Peripheral Pin TXRXM_B (General)).

What are the IPC-7351B PCB Footprint dimensions for KSZ9031RNXCA-TR?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), KSZ9031RNXCA-TR (QFN-48-EP(7x7)) has a nominal body envelope of 7.00 × 7.00 mm, pitch e = 0.50 mm, and 49 copper pads plus a central exposed thermal pad (EPAD) of 5.10 × 5.10 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 KSZ9031RNXCA-TR?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for KSZ9031RNXCA-TR (MICROCHIP, QFN-48-EP(7x7)) 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 (49 pins) & KSZ9031 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1AVDDHPower_InPrimary positive power supply input (AVDDH) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
2TXRXP_ADigital_IOSignal terminal TXRXP_A (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXP_A. Supported peripheral buses: General.
3TXRXM_ADigital_IOSignal terminal TXRXM_A (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXM_A. Supported peripheral buses: General.
4AVDDLPower_InPrimary positive power supply input (AVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
5TXRXP_BDigital_IOSignal terminal TXRXP_B (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXP_B. Supported peripheral buses: General.
6TXRXM_BDigital_IOSignal terminal TXRXM_B (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXM_B. Supported peripheral buses: General.
7TXRXP_CDigital_IOSignal terminal TXRXP_C (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXP_C. Supported peripheral buses: General.
8TXRXM_CDigital_IOSignal terminal TXRXM_C (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXM_C. Supported peripheral buses: General.
9AVDDLPower_InPrimary positive power supply input (AVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
10TXRXP_DDigital_IOSignal terminal TXRXP_D (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXP_D. Supported peripheral buses: General.
11TXRXM_DDigital_IOSignal terminal TXRXM_D (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXRXM_D. Supported peripheral buses: General.
12AVDDHPower_InPrimary positive power supply input (AVDDH) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
13NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
14DVDDLPower_InPrimary positive power supply input (DVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
15LED2/ PHYAD1Digital_IOSignal terminal LED2/ PHYAD1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LED2/ PHYAD1. Supported peripheral buses: General.
16DVDDHPower_InPrimary positive power supply input (DVDDH) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
17LED1/ PHYAD0/ PME_N1Open_DrainSignal terminal LED1/ PHYAD0/ PME_N1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LED1/ PHYAD0/ PME_N1. Supported peripheral buses: General.
18DVDDLPower_InPrimary positive power supply input (DVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
19TXD0Digital_IOSignal terminal TXD0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXD0. Supported peripheral buses: UART.
20TXD1Digital_IOSignal terminal TXD1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXD1. Supported peripheral buses: UART.
21TXD2Digital_IOSignal terminal TXD2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXD2. Supported peripheral buses: UART.
22TXD3Digital_IOSignal terminal TXD3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXD3. Supported peripheral buses: UART.
23DVDDLPower_InPrimary positive power supply input (DVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
24GTX_CLKDigital_IOSignal terminal GTX_CLK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: GTX_CLK. Supported peripheral buses: General.
25TX_ENDigital_IOSignal terminal TX_EN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TX_EN. Supported peripheral buses: General.
26DVDDLPower_InPrimary positive power supply input (DVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
27RXD3/ MODE3Digital_IOSignal terminal RXD3/ MODE3 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXD3/ MODE3. Supported peripheral buses: UART.
28RXD2/ MODE2Digital_IOSignal terminal RXD2/ MODE2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXD2/ MODE2. Supported peripheral buses: UART.
29VSSGND0V electrical ground return terminal (VSS) for internal core logic, I/O drivers, and analog sub-blocks.
30DVDDLPower_InPrimary positive power supply input (DVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
31RXD1/ MODE1Digital_IOSignal terminal RXD1/ MODE1 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXD1/ MODE1. Supported peripheral buses: UART.
32RXD0/ MODE0Digital_IOSignal terminal RXD0/ MODE0 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXD0/ MODE0. Supported peripheral buses: UART.
33CLK125_ENDigital_IOSignal terminal CLK125_EN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: CLK125_EN. Supported peripheral buses: General.
34DVDDHPower_InPrimary positive power supply input (DVDDH) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
35RX CLK/_ PHYAD2Digital_IOSignal terminal RX CLK/_ PHYAD2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RX CLK/_ PHYAD2. Supported peripheral buses: General.
36MDCDigital_IOSignal terminal MDC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MDC. Supported peripheral buses: General.
37MDIODigital_IOSignal terminal MDIO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: MDIO. Supported peripheral buses: General.
38INT N/_ PME_N2Open_DrainSignal terminal INT N/_ PME_N2 (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: INT N/_ PME_N2. Supported peripheral buses: General.
39DVDDLPower_InPrimary positive power supply input (DVDDL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
40DVDDHPower_InPrimary positive power supply input (DVDDH) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
41LED_MODEDigital_IOSignal terminal LED_MODE (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LED_MODE. Supported peripheral buses: General.
42RESET_NDigital_IOActive-low hardware reset terminal (RESET_N): pulling this pin Low resets the processor core and peripherals.
43LDO_ODigital_IOSignal terminal LDO_O (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: LDO_O. Supported peripheral buses: General.
44AVDDL_PLLPower_InPrimary positive power supply input (AVDDL_PLL) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
45XODigital_IOSignal terminal XO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XO. Supported peripheral buses: RTC/CLK.
46XIDigital_IOSignal terminal XI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XI. Supported peripheral buses: RTC/CLK.
47NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
48ISETDigital_IOSignal terminal ISET (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: ISET. Supported peripheral buses: General.
49EPGNDBottom exposed die attach pad (EP) providing primary thermal conduction path to the PCB and low-inductance 0V ground return.