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dsPIC33EP256MC204-I

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Microchip Tech Digital Signal Processors (DSP/DSC), TQFP-44(10x10). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Symbol & Footprint

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Datasheet

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Contents

README

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dsPIC33EP256MC204-I

Microchip Tech · Digital Signal Processors (DSP/DSC) · TQFP-44(10x10)

dsPIC33EP256MC204-I from Microchip Tech, in a TQFP-44(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 TMS/ASDA1/RP41/RB9 bidirectional JTAG Test Mode Select input (internal pull-up when JTAG active); alternate I2C1 SDA (ASDA1); remappable peripheral pin 41; GPIO RB9. 5V tolerant.
2 RP54/RC6 bidirectional Remappable peripheral pin 54; GPIO RC6. Full digital I/O with PPS-selectable function. 5V tolerant.
3 RP55/RC7 bidirectional Remappable peripheral pin 55; GPIO RC7. 5V tolerant.
4 RP56/RC8 bidirectional Remappable peripheral pin 56; GPIO RC8. 5V tolerant.
5 RP57/RC9 bidirectional Remappable peripheral pin 57; GPIO RC9. 5V tolerant.
6 VSS power_in Digital ground reference. Tie to system ground.
7 VCAP power_out 1.8 V internal core regulator output. Requires a 10 µF low-ESR bypass capacitor to VSS.
8 RP42/PWM3H/RB10 bidirectional Motor-control PWM3 high-side output; remappable peripheral pin 42; GPIO RB10. 5V tolerant.
9 RP43/PWM3L/RB11 bidirectional Motor-control PWM3 low-side output; remappable peripheral pin 43; GPIO RB11. 5V tolerant.
10 RPI44/PWM2H/RB12 bidirectional Motor-control PWM2 high-side output; input-only remappable pin 44; GPIO RB12. 5V tolerant.
11 RPI45/PWM2L/CTPLS/RB13 bidirectional Motor-control PWM2 low-side output; CTMU pulse-generator output (CTPLS); input-only remappable pin 45; GPIO RB13. 5V tolerant.
12 TDO/RA10 bidirectional JTAG Test Data Out; GPIO RA10.
13 TDI/RA7 bidirectional JTAG Test Data In; GPIO RA7.
14 RPI46/PWM1H/T3CK/RB14 bidirectional Motor-control PWM1 high-side output; Timer3 external clock (T3CK); input-only remappable pin 46; GPIO RB14. 5V tolerant.
15 RPI47/PWM1L/T5CK/RB15 bidirectional Motor-control PWM1 low-side output; Timer5 external clock (T5CK); input-only remappable pin 47; GPIO RB15. 5V tolerant.
16 AVDD power_in Analog supply for ADC and analog peripherals. Must be connected; typically tied to VDD through a filter (3.0-3.6 V).
17 AVSS power_in Analog ground return for ADC and analog peripherals. Tie to system ground.
18 MCLR input Active-low master clear (reset) input and programming mode entry. Requires an external pull-up (typically 10 kΩ to VDD).
19 AN0/OA2OUT/RA0 bidirectional ADC analog input channel 0; Op Amp 2 output; GPIO RA0.
20 AN1/C2IN1+/RA1 bidirectional ADC analog input channel 1; Comparator 2 positive input; GPIO RA1.
21 PGED3/VREF-/AN2/C2IN1-/SS1/RPI32/CTED2/RB0 bidirectional ICSP data channel 3 (PGED3); ADC negative external reference (VREF-); ADC analog input 2; Comparator 2 negative input; SPI1 slave select; input-only remappable pin 32; CTMU edge trigger 2; GPIO RB0.
22 PGEC3/VREF+/AN3/OA1OUT/RPI33/CTED1/RB1 bidirectional ICSP clock channel 3 (PGEC3); ADC positive external reference (VREF+); ADC analog input 3; Op Amp 1 output; input-only remappable pin 33; CTMU edge trigger 1; GPIO RB1.
23 PGEC1/AN4/C1IN1+/RPI34/RB2 bidirectional ICSP clock channel 1 (PGEC1); ADC analog input 4; Comparator 1 positive input; input-only remappable pin 34; GPIO RB2.
24 PGED1/AN5/C1IN1-/RP35/RB3 bidirectional ICSP data channel 1 (PGED1); ADC analog input 5; Comparator 1 negative input; remappable peripheral pin 35; GPIO RB3.
25 AN6/OA3OUT/C4IN1+/OCFB/RC0 bidirectional ADC analog input 6; Op Amp 3 output; Comparator 4 positive input; Output Compare Fault B; GPIO RC0.
26 AN7/C3IN1-/C4IN1-/RC1 bidirectional ADC analog input 7; Comparator 3 negative input; Comparator 4 negative input; GPIO RC1.
27 AN8/C3IN1+/U1RTS/BCLK1/FLT3/RC2 bidirectional ADC analog input 8; Comparator 3 positive input; UART1 request-to-send / bit-clock; PWM fault 3 input; GPIO RC2.
28 VDD power_in Digital supply pin, 3.0-3.6 V. Decouple with 0.1 µF to VSS close to the pin.
29 VSS power_in Digital ground reference.
30 OSC1/CLKI/RA2 bidirectional Primary oscillator crystal input / external clock input; GPIO RA2.
31 OSC2/CLKO/RA3 bidirectional Primary oscillator crystal output / clock output (FOSC/2 or CLKO); GPIO RA3.
32 SDA2/RPI24/RA8 bidirectional I2C2 serial data (open-drain); input-only remappable pin 24; GPIO RA8. 5V tolerant.
33 FLT32/SCL2/RP36/RB4 bidirectional PWM fault input 32; I2C2 serial clock (open-drain); remappable peripheral pin 36; GPIO RB4. 5V tolerant.
34 CVREF2O/SDO1/RP20/T1CK/RA4 bidirectional Comparator voltage reference 2 output; SPI1 data out (default); Timer1 external clock; remappable peripheral pin 20; GPIO RA4.
35 SDI1/RPI25/RA9 bidirectional SPI1 data input (default); input-only remappable pin 25; GPIO RA9.
36 SCK1/RPI51/RC3 bidirectional SPI1 shift clock (default); input-only remappable pin 51; GPIO RC3. 5V tolerant.
37 SDA1/RPI52/RC4 bidirectional I2C1 serial data (open-drain); input-only remappable pin 52; GPIO RC4. 5V tolerant.
38 SCL1/RPI53/RC5 bidirectional I2C1 serial clock (open-drain); input-only remappable pin 53; GPIO RC5. 5V tolerant.
39 VSS power_in Digital ground reference.
40 VDD power_in Digital supply, 3.0-3.6 V. Decouple with 0.1 µF to VSS close to the pin.
41 PGED2/ASDA2/RP37/RB5 bidirectional ICSP data channel 2 (PGED2); alternate I2C2 data (ASDA2); remappable peripheral pin 37; GPIO RB5. 5V tolerant.
42 PGEC2/ASCL2/RP38/RB6 bidirectional ICSP clock channel 2 (PGEC2); alternate I2C2 clock (ASCL2); remappable peripheral pin 38; GPIO RB6. 5V tolerant.
43 RP39/INT0/RB7 bidirectional Remappable peripheral pin 39; External Interrupt 0 input; GPIO RB7. 5V tolerant.
44 TCK/CVREF1O/ASCL1/RP40/T4CK/RB8 bidirectional JTAG Test Clock; Comparator voltage reference 1 output; alternate I2C1 clock (ASCL1); remappable peripheral pin 40; Timer4 external clock; GPIO RB8. 5V tolerant.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TQFP-44(10x10)
Category Embedded Processors & Controllers
Pins 44

Ordering variants

Same part, different packaging or reel option.

  • dsPIC33EP256MC204-II/PT
  • dsPIC33EP256MC204-II/ML
  • dsPIC33EP256MC204-II/MV

CAD (KiCad official)

  • Symbol: dsPIC33EP256MC204-I
  • Footprint: Package_QFP:TQFP-44_10x10mm_P0.8mm
  • 3D model: TQFP-44(10x10) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Microchip Tech datasheet (546 pp, sha256 ee605a134379ee11, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF