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CH378Q (LQFP-64M(10x10)) — Symbol, Footprint IPC-7351B & 3D STEP Model

CH378Q

WCHID: C87330LQFP-64M(10x10) · 64 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 · CH378Q (LQFP-64M(10x10))1NC2VCC333GND4NC5NC6VCC187NC8NC9GND10XI11XO12VCC3313GND14RSETU15UD-16UD+17VCC3318GND19VCC1820GND21VCC3322ACT#23SD_IN24SD_WP25RDY#26RST27SEL28VCC1829VCC3330NC31AUTO32SD_CS64VCC1863VCC3362SDO61SDI60SCK59SCS58TXD57RXD56NC55NC54VCC1853NC52NC51NC50NC49INT#48GND47NC46NC45VCC3344GND43VCC1842VCC3341GND40VCC3339NC38NC37GND36RSTI35SD_DI34SD_DO33SD_CKGrid Pitch = 2.54mm (IEEE-315)-15.2-10.2-5.105.110.215.245.740.635.630.525.420.315.210.25.10-5.1-10.2-15.2-20.3-25.4-30.5-35.6-40.6-45.7mm
2. 2D FOOTPRINT
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364E=10.00mm · Pitch e=0.50mmD=10.00mm-9-7-5-3-11357997531-1-3-5-7-9mm
3. 3D CAD MODEL
Package Body: 10.00mm × 10.00mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (64/64)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1NCI/OMultiplexed I/O & Peripheral Pin NC (General)
2VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
3GNDGNDGround Reference Pin (GND)
4NCI/OMultiplexed I/O & Peripheral Pin NC (General)
5NCI/OMultiplexed I/O & Peripheral Pin NC (General)
6VCC18PowerPower Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
7NCI/OMultiplexed I/O & Peripheral Pin NC (General)
8NCI/OMultiplexed I/O & Peripheral Pin NC (General)
9GNDGNDGround Reference Pin (GND)
10XII/OMultiplexed I/O & Peripheral Pin XI (RTC/CLK)
11XOI/OMultiplexed I/O & Peripheral Pin XO (RTC/CLK)
12VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
13GNDGNDGround Reference Pin (GND)
14RSETUI/OMultiplexed I/O & Peripheral Pin RSETU (General)
15UD-I/OMultiplexed I/O & Peripheral Pin UD- (USB)
16UD+I/OMultiplexed I/O & Peripheral Pin UD+ (USB)
17VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
18GNDGNDGround Reference Pin (GND)
19VCC18PowerPower Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
20GNDGNDGround Reference Pin (GND)
21VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
22ACT#I/OMultiplexed I/O & Peripheral Pin ACT# (General)
23SD_INI/OMultiplexed I/O & Peripheral Pin SD_IN (General)
24SD_WPI/OMultiplexed I/O & Peripheral Pin SD_WP (General)
25RDY#I/OMultiplexed I/O & Peripheral Pin RDY# (General)
26RSTI/OMultiplexed I/O & Peripheral Pin RST (General)
27SELI/OMultiplexed I/O & Peripheral Pin SEL (General)
28VCC18PowerPower Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
29VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
30NCI/OMultiplexed I/O & Peripheral Pin NC (General)
31AUTOI/OMultiplexed I/O & Peripheral Pin AUTO (General)
32SD_CSI/OMultiplexed I/O & Peripheral Pin SD_CS (General)
33SD_CKI/OMultiplexed I/O & Peripheral Pin SD_CK (General)
34SD_DOI/OMultiplexed I/O & Peripheral Pin SD_DO (General)
35SD_DII/OMultiplexed I/O & Peripheral Pin SD_DI (General)
36RSTII/OMultiplexed I/O & Peripheral Pin RSTI (General)
37GNDGNDGround Reference Pin (GND)
38NCI/OMultiplexed I/O & Peripheral Pin NC (General)
39NCI/OMultiplexed I/O & Peripheral Pin NC (General)
40VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
41GNDGNDGround Reference Pin (GND)
42VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
43VCC18PowerPower Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
44GNDGNDGround Reference Pin (GND)
45VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
46NCI/OMultiplexed I/O & Peripheral Pin NC (General)
47NCI/OMultiplexed I/O & Peripheral Pin NC (General)
48GNDGNDGround Reference Pin (GND)
49INT#I/OMultiplexed I/O & Peripheral Pin INT# (General)
50NCI/OMultiplexed I/O & Peripheral Pin NC (General)
51NCI/OMultiplexed I/O & Peripheral Pin NC (General)
52NCI/OMultiplexed I/O & Peripheral Pin NC (General)
53NCI/OMultiplexed I/O & Peripheral Pin NC (General)
54VCC18PowerPower Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
55NCI/OMultiplexed I/O & Peripheral Pin NC (General)
56NCI/OMultiplexed I/O & Peripheral Pin NC (General)
57RXDI/OMultiplexed I/O & Peripheral Pin RXD (UART)
58TXDI/OMultiplexed I/O & Peripheral Pin TXD (UART)
59SCSI/OMultiplexed I/O & Peripheral Pin SCS (General)
60SCKI/OMultiplexed I/O & Peripheral Pin SCK (SPI)
61SDII/OMultiplexed I/O & Peripheral Pin SDI (General)
62SDOI/OMultiplexed I/O & Peripheral Pin SDO (General)
63VCC33PowerPower Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)
64VCC18PowerPower Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)
PIN 1 NC
I/O
Multiplexed I/O & Peripheral Pin NC (General)
Design note: Signal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 6 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: CH378Q (WCH · LQFP-64M(10x10))
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
CH378Q (LQFP-64M(10x10)) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
CH378Q (LQFP-64M(10x10)) - 2. Standard Pinout (Top View)
True package pinout (64 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
CH378Q (LQFP-64M(10x10)) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
CH378Q (LQFP-64M(10x10)) - 4. Package Dimensions (D×E×A)
LQFP-64M(10x10) · 10.00×10.00mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
CH378Q (LQFP-64M(10x10)) - 5. Recommended Land Pattern
IPC-7351B Footprint (64 Pads)Expand ›
6. Application SchematicSCHEMATIC
CH378Q (LQFP-64M(10x10)) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (6 figures · Page 1/1)
Showing 1–6 of 6 uncropped original figures for CH378
P3 · p03_fig01EXACT PACKAGE
CH378Q (LQFP-64M(10x10)) — 芯片型号 芯片封装 名称 描述 CH378L LQFP128 LQFP 封装；128 脚；本体14x14mm CH378Q LQFP64M LQFP 封装；64 脚；本体10x10mm
芯片型号 芯片封装 名称 描述 CH378L LQFP128 LQFP 封装；128 脚；本体14x14mm CH378Q LQFP64M LQFP 封装；64 脚；本体10x10mm
P1 · p01_fig011681×1140px
CH378Q (LQFP-64M(10x10)) — 2、特点
2、特点
P1 · p01_fig01P1
CH378Q (LQFP-64M(10x10)) — Datasheet Page 1 (p01_fig01)
Datasheet Page 1 (p01_fig01)
P2 · p02_fig011162×1156px
CH378Q (LQFP-64M(10x10)) — FISSIS SSIS isisieisisisiSieiSisisisiSiSimigig OOo SCHTUNATOOnRMN ODLOOAVHFOOOOGTK SHO ZRRAAARARAA RRS RRAEREDESRREER REL 1 3 aenar 58 om 4 96 5 vecis > > > Nc | 2 GND NC 3 94 3 nc NC } +— cup NC [= vecis veC33 6 91 snc NC [=o ¥CC33 NC g a9
FISSIS SSIS isisieisisisiSieiSisisisiSiSimigig OOo SCHTUNATOOnRMN ODLOOAVHFOOOOGTK SHO ZRRAAARARAA RRS RRAEREDESRREER REL 1 3 aenar 58 om 4 96 5 vecis > > > Nc | 2 GND NC 3 94 3 nc NC } +— cup NC [= vecis veC33 6 91 snc NC [=o ¥CC33 NC g a9
P3 · p03_fig01P3
CH378Q (LQFP-64M(10x10)) — Datasheet Page 3 (p03_fig01)
Datasheet Page 3 (p03_fig01)
P23 · p23_fig011659×1404px
CH378Q (LQFP-64M(10x10)) — 如果需要将CH378 配置为8 位并口通讯方式PARALLEL，那么SEL 引脚应该接GND，TXD 引脚悬空。 该接口与外围单片机通讯使用的引脚有A0、PCS#、RD#、WR#、D0-D7、INT#(可选)、RSTI(可选)。
如果需要将CH378 配置为8 位并口通讯方式PARALLEL，那么SEL 引脚应该接GND，TXD 引脚悬空。 该接口与外围单片机通讯使用的引脚有A0、PCS#、RD#、WR#、D0-D7、INT#(可选)、RSTI(可选)。

Technical Specifications & Part Details (CH378Q)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Standard Electronic & Interconnect Component
Detailed Overview:CH378Q (LQFP-64M(10x10)) is a 64-pin standard electronic & interconnect component featuring a 10.00 × 10.00 × 1.40 mm mechanical envelope (lead pitch e = 0.50 mm). Rated for 1.8V ~ 5.5V (Theo Datasheet) supply operation across -40°C ~ +85°C (Industrial Grade) with integrated USB, UART, SPI, RTC/CLK 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
-40°C ~ +85°C (Industrial Grade)
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
DC / Broadband Passive
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
10.00 × 10.00 × 1.40 mm (A1=0.10 mm)
Package family: LQFP (LQFP-64M(10x10))
Pin Count & Lead PitchN / e
64 Pins | Pitch e = 0.50 mm (19.7 mil)
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
USB, UART, SPI, RTC/CLK
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: Verify Pin-1 chamfer orientation on Top Silkscreen prior to SMT pick-and-place assembly.
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 Symbol64 auto-grouped pins
OK
IPC-7351B Land Pattern64 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
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 (LQFP-64M(10x10))

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
10.00 × 10.00 mm
Height (A) & Pitch (e)IPC-7351B
A=1.40mm · e=0.50mm
Pad Size (W × L)Level B
0.30 × 1.25 mm
Pins / Total PadsTopology
64P / 64Pad (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
LQFP-64M(10x10)
Size power & signal trace widths for rated load current following IPC-2221 clearance rules.

Technical Frequently Asked Questions (FAQ) — CH378Q (LQFP-64M(10x10))

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 CH378Q (LQFP-64M(10x10))?

Manufactured by WCH, the CH378Q is housed in a LQFP-64M(10x10) package with 64 pins and a 0.50 mm lead pitch. Key pins include: 1 (NC: Multiplexed I/O & Peripheral Pin NC (General)), 2 (VCC33: Power Supply Input (VCC33 — 3.3V / 5.0V Standard Logic)), 3 (GND: Ground Reference Pin (GND)), 4 (NC: Multiplexed I/O & Peripheral Pin NC (General)), 5 (NC: Multiplexed I/O & Peripheral Pin NC (General)), 6 (VCC18: Power Supply Input (VCC18 — 3.3V / 5.0V Standard Logic)).

What are the IPC-7351B PCB Footprint dimensions for CH378Q?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), CH378Q (LQFP-64M(10x10)) has a nominal body envelope of 10.00 × 10.00 mm, pitch e = 0.50 mm, and 64 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for CH378Q?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for CH378Q (WCH, LQFP-64M(10x10)) 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 (64 pins) & CH378 Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
2VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
3GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
4NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
5NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
6VCC18Power_InPrimary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
7NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
8NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
9GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
10XIDigital_IOSignal terminal XI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XI. Supported peripheral buses: RTC/CLK.
11XODigital_IOSignal terminal XO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: XO. Supported peripheral buses: RTC/CLK.
12VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
13GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
14RSETUDigital_IOSignal terminal RSETU (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RSETU. Supported peripheral buses: General.
15UD-Digital_IOSignal terminal UD- (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: UD-. Supported peripheral buses: USB.
16UD+Digital_IOSignal terminal UD+ (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: UD+. Supported peripheral buses: USB.
17VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
18GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
19VCC18Power_InPrimary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
20GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
21VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
22ACT#Digital_IOSignal terminal ACT# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: ACT#. Supported peripheral buses: General.
23SD_INDigital_IOSignal terminal SD_IN (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SD_IN. Supported peripheral buses: General.
24SD_WPDigital_IOSignal terminal SD_WP (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SD_WP. Supported peripheral buses: General.
25RDY#Digital_IOSignal terminal RDY# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RDY#. Supported peripheral buses: General.
26RSTDigital_IOSignal terminal RST (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RST. Supported peripheral buses: General.
27SELDigital_IOSignal terminal SEL (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SEL. Supported peripheral buses: General.
28VCC18Power_InPrimary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
29VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
30NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
31AUTODigital_IOSignal terminal AUTO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: AUTO. Supported peripheral buses: General.
32SD_CSDigital_IOSignal terminal SD_CS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SD_CS. Supported peripheral buses: General.
33SD_CKDigital_IOSignal terminal SD_CK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SD_CK. Supported peripheral buses: General.
34SD_DODigital_IOSignal terminal SD_DO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SD_DO. Supported peripheral buses: General.
35SD_DIDigital_IOSignal terminal SD_DI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SD_DI. Supported peripheral buses: General.
36RSTIDigital_IOSignal terminal RSTI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RSTI. Supported peripheral buses: General.
37GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
38NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
39NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
40VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
41GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
42VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
43VCC18Power_InPrimary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
44GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
45VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
46NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
47NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
48GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
49INT#Digital_IOSignal terminal INT# (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: INT#. Supported peripheral buses: General.
50NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
51NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
52NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
53NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
54VCC18Power_InPrimary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
55NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
56NCNCSignal terminal NC (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: NC. Supported peripheral buses: General.
57RXDDigital_IOSignal terminal RXD (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: RXD. Supported peripheral buses: UART.
58TXDDigital_IOSignal terminal TXD (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: TXD. Supported peripheral buses: UART.
59SCSDigital_IOSignal terminal SCS (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SCS. Supported peripheral buses: General.
60SCKDigital_IOSignal terminal SCK (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SCK. Supported peripheral buses: SPI.
61SDIDigital_IOSignal terminal SDI (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SDI. Supported peripheral buses: General.
62SDODigital_IOSignal terminal SDO (I/O, 3.3V / 5.0V Standard Logic domain). Multiplexed alternate functions: SDO. Supported peripheral buses: General.
63VCC33Power_InPrimary positive power supply input (VCC33) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
64VCC18Power_InPrimary positive power supply input (VCC18) operating in the 3.3V / 5.0V Standard Logic domain (Max rating: 5.5V).
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