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Contents

Pinout
Key specifications
Electrical characteristics
CAD (KiCad official)
Provenance

README

markdown

PIC32MX350F256L-I

Microchip Tech · Microcontroller Units (MCUs/MPUs/SOCs) · TQFP-100(12x12)

PIC32MX350F256L-I from Microchip Tech, in a TQFP-100(12x12). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	RG15	bidirectional	PORTG digital I/O pin with Schmitt Trigger input and change notification.
2	VDD	power_in	Positive supply for peripheral logic and I/O pins; operating range 2.3V to 3.6V.
3	AN22/RPE5/PMD5/RE5	bidirectional	Analog input AN22, remappable pin RPE5, PMP data bit 5 or PORTE I/O RE5.
4	AN23/PMD6/RE6	bidirectional	Analog input AN23, PMP data bit 6 or PORTE I/O RE6.
5	AN27/PMD7/RE7	bidirectional	Analog input AN27, PMP data bit 7 or PORTE I/O RE7.
6	RPC1/RC1	bidirectional	Remappable peripheral pin RPC1 or PORTC I/O RC1.
7	RPC2/RC2	bidirectional	Remappable peripheral pin RPC2 or PORTC I/O RC2.
8	RPC3/RC3	bidirectional	Remappable peripheral pin RPC3 or PORTC I/O RC3.
9	RPC4/CTED7/RC4	bidirectional	Remappable pin RPC4, CTMU external edge input 7 or PORTC I/O RC4.
10	AN16/C1IND/RPG6/SCK2/PMA5/RG6	bidirectional	Analog input AN16, Comparator 1 input D, remappable RPG6, SPI2 clock SCK2, PMP address bit 5 or PORTG I/O RG6 (8x drive pin).
11	AN17/C1INC/RPG7/PMA4/RG7	bidirectional	Analog input AN17, Comparator 1 input C, remappable RPG7, PMP address bit 4 or PORTG I/O RG7.
12	AN18/C2IND/RPG8/PMA3/RG8	bidirectional	Analog input AN18, Comparator 2 input D, remappable RPG8, PMP address bit 3 or PORTG I/O RG8.
13	MCLR	input	Master Clear active-low Reset input, also used for device programming and debugging.
14	AN19/C2INC/RPG9/PMA2/RG9	bidirectional	Analog input AN19, Comparator 2 input C, remappable RPG9, PMP address bit 2 or PORTG I/O RG9.
15	VSS	power_in	Ground reference for logic and I/O pins.
16	VDD	power_in	Positive supply for peripheral logic and I/O pins; operating range 2.3V to 3.6V.
17	TMS/CTED1/RA0	bidirectional	JTAG Test Mode Select input, CTMU external edge input 1 or PORTA I/O RA0.
18	RPE8/RE8	bidirectional	Remappable peripheral pin RPE8 or PORTE I/O RE8.
19	RPE9/RE9	bidirectional	Remappable peripheral pin RPE9 or PORTE I/O RE9.
20	AN5/C1INA/RPB5/RB5	bidirectional	Analog input AN5, Comparator 1 input A, remappable RPB5 or PORTB I/O RB5.
21	AN4/C1INB/RB4	bidirectional	Analog input AN4, Comparator 1 input B or PORTB I/O RB4.
22	PGED3/AN3/C2INA/RPB3/RB3	bidirectional	Programming/debugging data I/O channel 3, analog input AN3, Comparator 2 input A, remappable RPB3 or PORTB I/O RB3.
23	PGEC3/AN2/C2INB/RPB2/CTED13/RB2	bidirectional	Programming/debugging clock input channel 3, analog input AN2, Comparator 2 input B, remappable RPB2, CTMU edge input 13 or PORTB I/O RB2.
24	PGEC1/AN1/RPB1/CTED12/RB1	bidirectional	Programming/debugging clock input channel 1, analog input AN1, remappable RPB1, CTMU edge input 12 or PORTB I/O RB1.
25	PGED1/AN0/RPB0/RB0	bidirectional	Programming/debugging data I/O channel 1, analog input AN0, remappable RPB0 or PORTB I/O RB0.
26	PGEC2/AN6/RPB6/RB6	bidirectional	Programming/debugging clock input channel 2, analog input AN6, remappable RPB6 or PORTB I/O RB6.
27	PGED2/AN7/RPB7/CTED3/RB7	bidirectional	Programming/debugging data I/O channel 2, analog input AN7, remappable RPB7, CTMU edge input 3 or PORTB I/O RB7.
28	VREF-/CVREF-/PMA7/RA9	power_in	Analog voltage reference (low) input VREF-, comparator reference low CVREF-, PMP address bit 7 or PORTA I/O RA9.
29	VREF+/CVREF+/PMA6/RA10	power_in	Analog voltage reference (high) input VREF+, comparator reference high CVREF+, PMP address bit 6 or PORTA I/O RA10.
30	AVDD	power_in	Positive supply for analog modules; must be connected at all times.
31	AVSS	power_in	Ground reference for analog modules.
32	AN8/RPB8/CTED10/RB8	bidirectional	Analog input AN8, remappable RPB8, CTMU edge input 10 or PORTB I/O RB8.
33	AN9/RPB9/CTED4/RB9	bidirectional	Analog input AN9, remappable RPB9, CTMU edge input 4 or PORTB I/O RB9.
34	CVREFOUT/AN10/RPB10/CTED11/PMA13/RB10	bidirectional	Comparator voltage reference output, analog input AN10, remappable RPB10, CTMU edge input 11, PMP address bit 13 or PORTB I/O RB10.
35	AN11/PMA12/RB11	bidirectional	Analog input AN11, PMP address bit 12 or PORTB I/O RB11.
36	VSS	power_in	Ground reference for logic and I/O pins.
37	VDD	power_in	Positive supply for peripheral logic and I/O pins; operating range 2.3V to 3.6V.
38	TCK/CTED2/RA1	bidirectional	JTAG Test Clock input, CTMU external edge input 2 or PORTA I/O RA1.
39	RPF13/RF13	bidirectional	Remappable peripheral pin RPF13 or PORTF I/O RF13.
40	RPF12/RF12	bidirectional	Remappable peripheral pin RPF12 or PORTF I/O RF12.
41	AN12/PMA11/RB12	bidirectional	Analog input AN12, PMP address bit 11 or PORTB I/O RB12.
42	AN13/PMA10/RB13	bidirectional	Analog input AN13, PMP address bit 10 or PORTB I/O RB13.
43	AN14/RPB14/CTED5/PMA1/RB14	bidirectional	Analog input AN14, remappable RPB14, CTMU edge input 5, PMP address bit 1 or PORTB I/O RB14.
44	AN15/RPB15/OCFB/CTED6/PMA0/RB15	bidirectional	Analog input AN15, remappable RPB15, Output Compare Fault B input, CTMU edge input 6, PMP address bit 0 or PORTB I/O RB15.
45	VSS	power_in	Ground reference for logic and I/O pins.
46	VDD	power_in	Positive supply for peripheral logic and I/O pins; operating range 2.3V to 3.6V.
47	RPD14/RD14	bidirectional	Remappable peripheral pin RPD14 or PORTD I/O RD14.
48	RPD15/RD15	bidirectional	Remappable peripheral pin RPD15 or PORTD I/O RD15.
49	RPF4/PMA9/RF4	bidirectional	Remappable pin RPF4, PMP address bit 9 or PORTF I/O RF4.
50	RPF5/PMA8/RF5	bidirectional	Remappable pin RPF5, PMP address bit 8 or PORTF I/O RF5.
51	RPF3/RF3	bidirectional	Remappable peripheral pin RPF3 or PORTF I/O RF3.
52	RPF2/RF2	bidirectional	Remappable peripheral pin RPF2 or PORTF I/O RF2.
53	RPF8/RF8	bidirectional	Remappable peripheral pin RPF8 or PORTF I/O RF8.
54	RPF7/RF7	bidirectional	RPF7 is remappable for input functions only, or PORTF I/O RF7.
55	RPF6/SCK1/INT0/RF6	bidirectional	RPF6 (input-function remap only), SPI1 clock SCK1, External Interrupt 0 or PORTF I/O RF6 (8x drive pin, no change notification).
56	SDA1/RG3	bidirectional	I2C1 serial data SDA1 or PORTG I/O RG3.
57	SCL1/RG2	bidirectional	I2C1 serial clock SCL1 or PORTG I/O RG2.
58	SCL2/RA2	bidirectional	I2C2 serial clock SCL2 or PORTA I/O RA2.
59	SDA2/RA3	bidirectional	I2C2 serial data SDA2 or PORTA I/O RA3.
60	TDI/CTED9/RA4	bidirectional	JTAG test data input, CTMU external edge input 9 or PORTA I/O RA4.
61	TDO/RA5	bidirectional	JTAG test data output or PORTA I/O RA5.
62	VDD	power_in	Positive supply for peripheral logic and I/O pins; operating range 2.3V to 3.6V.
63	OSC1/CLKI/RC12	bidirectional	Oscillator crystal input or external clock source input CLKI, or PORTC I/O RC12.
64	OSC2/CLKO/RC15	bidirectional	Oscillator crystal output, CLKO in RC and EC modes, or PORTC I/O RC15 (8x drive pin).
65	VSS	power_in	Ground reference for logic and I/O pins.
66	RPA14/RA14	bidirectional	Remappable peripheral pin RPA14 or PORTA I/O RA14.
67	RPA15/RA15	bidirectional	Remappable peripheral pin RPA15 or PORTA I/O RA15.
68	RPD8/RTCC/RD8	bidirectional	Remappable pin RPD8, Real-Time Clock alarm output RTCC or PORTD I/O RD8.
69	RPD9/RD9	bidirectional	Remappable peripheral pin RPD9 or PORTD I/O RD9.
70	RPD10/PMCS2/RD10	bidirectional	Remappable pin RPD10, PMP chip select 2 or PORTD I/O RD10 (8x drive pin).
71	RPD11/PMCS1/RD11	bidirectional	Remappable pin RPD11, PMP chip select 1 or PORTD I/O RD11.
72	RPD0/RD0	bidirectional	Remappable peripheral pin RPD0 or PORTD I/O RD0.
73	SOSCI/RPC13/RC13	bidirectional	32.768 kHz secondary oscillator crystal input, remappable RPC13 or PORTC I/O RC13.
74	SOSCO/RPC14/T1CK/RC14	bidirectional	32.768 kHz secondary oscillator crystal output, remappable RPC14, Timer1 external clock input T1CK or PORTC I/O RC14.
75	VSS	power_in	Ground reference for logic and I/O pins.
76	AN24/RPD1/RD1	bidirectional	Analog input AN24, remappable RPD1 or PORTD I/O RD1.
77	AN25/RPD2/RD2	bidirectional	Analog input AN25, remappable RPD2 or PORTD I/O RD2 (8x drive pin).
78	AN26/RPD3/RD3	bidirectional	Analog input AN26, remappable RPD3 or PORTD I/O RD3.
79	RPD12/PMD12/RD12	bidirectional	Remappable pin RPD12, PMP data bit 12 or PORTD I/O RD12.
80	PMD13/RD13	bidirectional	PMP data bit 13 or PORTD I/O RD13.
81	RPD4/PMWR/RD4	bidirectional	Remappable pin RPD4, PMP write strobe or PORTD I/O RD4.
82	RPD5/PMRD/RD5	bidirectional	Remappable pin RPD5, PMP read strobe or PORTD I/O RD5.
83	PMD14/RD6	bidirectional	PMP data bit 14 or PORTD I/O RD6.
84	PMD15/RD7	bidirectional	PMP data bit 15 or PORTD I/O RD7.
85	VCAP	passive	Capacitor pin for the internal voltage regulator; needs a low-ESR (3 ohm) capacitor of at least 6V rating to ground and must not be connected to VDD.
86	VDD	power_in	Positive supply for peripheral logic and I/O pins; operating range 2.3V to 3.6V.
87	RPF0/PMD11/RF0	bidirectional	Remappable pin RPF0, PMP data bit 11 or PORTF I/O RF0.
88	RPF1/PMD10/RF1	bidirectional	Remappable pin RPF1, PMP data bit 10 or PORTF I/O RF1.
89	RPG1/PMD9/RG1	bidirectional	Remappable pin RPG1, PMP data bit 9 or PORTG I/O RG1.
90	RPG0/PMD8/RG0	bidirectional	Remappable pin RPG0, PMP data bit 8 or PORTG I/O RG0.
91	TRCLK/RA6	bidirectional	Trace clock output or PORTA I/O RA6.
92	TRD3/CTED8/RA7	bidirectional	Trace data bit 3 output, CTMU external edge input 8 or PORTA I/O RA7.
93	PMD0/RE0	bidirectional	PMP data bit 0 or PORTE I/O RE0.
94	PMD1/RE1	bidirectional	PMP data bit 1 or PORTE I/O RE1.
95	TRD2/RG14	bidirectional	Trace data bit 2 output or PORTG I/O RG14.
96	TRD1/RG12	bidirectional	Trace data bit 1 output or PORTG I/O RG12.
97	TRD0/RG13	bidirectional	Trace data bit 0 output or PORTG I/O RG13.
98	AN20/PMD2/RE2	bidirectional	Analog input AN20, PMP data bit 2 or PORTE I/O RE2.
99	RPE3/CTPLS/PMD3/RE3	bidirectional	Remappable pin RPE3, CTMU pulse output CTPLS, PMP data bit 3 or PORTE I/O RE3.
100	AN21/PMD4/RE4	bidirectional	Analog input AN21, PMP data bit 4 or PORTE I/O RE4.

Key specifications

Parameter	Value
Manufacturer	Microchip Tech
Package	TQFP-100(12x12)
Category	Single Chip Microcomputer/Microcontroller
Pins	100

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Max	Unit	Conditions	Page
Supply Voltage	VDD	2.3	3.6	V		283
RAM Data Retention Voltage	VDR	1.75		V	Note 1: limit to which VDD can be lowered without losing RAM data	283
VDD Start Voltage to Ensure Internal Power-on Reset Signal	VPOR	1.75	2.1	V		283
VDD Rise Rate to Ensure Internal Power-on Reset Signal	SVDD	5e-05	0.115	V/s		283

CAD (KiCad official)

Symbol: PIC32MX350F256L-I
Footprint: Package_QFP:TQFP-100_12x12mm_P0.4mm
3D model: TQFP-100(12x12) (KiCad packages3D, STEP)
3D model files: pic32mx350f256l-i-etched.step / pic32mx350f256l-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pic32mx350f256l-i.step / pic32mx350f256l-i.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Microchip Tech datasheet (366 pp, sha256 370a810479dca15a, retrieved 2026-10-26, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF