Part Datasheet Review

flux

I reviewed the part against the Microchip datasheet already set on the project; no Datasheet URL update was needed. Main findings: pins 1–48 match the datasheet, but the project has extra terminals 49–53 likely representing exposed/corner pads, all terminal Pin Type values are still Unspecified, and package/voltage/temperature properties are missing. Full analysis is in the Part Datasheet Review — dsPIC33CK256MP205-I/M4 project file.
adrian95

adrian95

Looking at the datasheet of this component, can you group together pins by their functions? for example for Power, VDD, VSS for gnd etc NOTE: If you group them, can you not add the same pin if you already added them in a group? You should know which pin function is common for its function

flux

I grouped the dsPIC33CK256MP205-I/M4 pins by function with each pin assigned to exactly one group: Power, Ground, Reset/Control, Clock, Programming/Debug, Analog, Communication, and PWM. Full grouping table and suggested Flux Pin Group / Pin Type values are in the Pin Function Groups — dsPIC33CK256MP205-I/M4 project file.
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Pin Function Groups — dsPIC33CK256MP205-I/M4
Source: Microchip datasheet URL already set on the project: http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en606233
This grouping assigns each physical pin to one group only. Because many dsPIC pins are multiplexed, I used a priority order to avoid duplicates:
  1. Power and ground pins first
  2. Reset/control pins
  3. Dedicated clock/debug/programming functions
  4. Analog-heavy pins
  5. Communication pins
  6. PWM-capable output pins
  7. General GPIO/remappable peripheral pins
Power

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
13AVDDAVDDPower InAnalog supply
18VDDVDDPower InDigital supply
32VDDVDDPower InDigital supply
43VDDVDDPower InDigital supply
Ground

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
14AVSSAVSSGroundAnalog ground
19VSSVSSGroundDigital ground
31VSSVSSGroundDigital ground
42VSSVSSGroundDigital ground
49Exposed pad / corner anchor padVSS / same net as large center padGroundCorner anchor pad
50Exposed pad / corner anchor padVSS / same net as large center padGroundCorner anchor pad
51Exposed pad / corner anchor padVSS / same net as large center padGroundCorner anchor pad
52Exposed pad / corner anchor padVSS / same net as large center padGroundCorner anchor pad
53Exposed pad / large center bottom padMay be left floating or connected to VSSGroundCenter exposed pad
Note: The datasheet says the four-corner anchor pads are internally connected to the large bottom pad and must be connected to the same net as the large center pad. The large center pad may be left floating or connected to VSS.
Reset / Control

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
5~MCLRMCLRInputMaster clear reset
Clock / Oscillator

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
21RB0OSCI/CLKI/AN5/RP32/RB0PassiveOscillator input / GPIO
22RB1OSCO/CLKO/AN6/RP33/RB1PassiveOscillator output / GPIO
Note: Pin 22 is toggled during programming per datasheet note.
Programming / Debug

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
26RB3PGD2/OA2IN-/AN8/RP35/RB3Bi-DirectionalProgramming data 2 / GPIO
27RB4PGC2/OA2IN+/RP36/RB4InputProgramming clock 2 / GPIO
33RB5PGD3/RP37/PWM6L/SDA2/RB5Bi-DirectionalProgramming data 3 / GPIO
34RB6PGC3/RP38/PWM6H/SCL2/RB6InputProgramming clock 3 / GPIO
35RB7TDO/AN2/CMP3A/RP39/SDA3/RB7OutputJTAG data out / GPIO
36RB8PGD1/AN10/RP40/SCL1/RB8Bi-DirectionalProgramming data 1 / GPIO
37RB9PGC1/AN11/RP41/SDA1/RB9InputProgramming clock 1 / GPIO
45RB10TMS/RP42/PWM3H/RB10InputJTAG mode select / GPIO
46RB11TCK/RP43/PWM3L/RB11InputJTAG clock / GPIO
47RB12TDI/RP44/PWM2H/RB12InputJTAG data in / GPIO
Note: Pin 45 has a pull-up resistor connected when the device is erased, JTAG enabled, and during programming.
Analog / Comparator / Op Amp / DAC

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
6RD13ANN2/RP77/RD13Bi-DirectionalAnalog negative input / GPIO
7RC0AN12/ANN0/RP48/RC0Bi-DirectionalAnalog input / GPIO
8RA0OA1OUT/AN0/CMP1A/IBIAS0/RA0Bi-DirectionalOp amp output / analog
9RA1OA1IN-/ANA1/RA1PassiveOp amp negative input
10RA2OA1IN+/AN9/RA2PassiveOp amp positive input
11RA3DACOUT1/AN3/CMP1C/RA3OutputDAC output / analog
12RA4OA3OUT/AN4/CMP3B/IBIAS3/RA4Bi-DirectionalOp amp output / analog
15RC1OA3IN-/AN13/CMP1B/ISRC0/RP49/RC1Bi-DirectionalOp amp negative input
16RC2OA3IN+/AN14/CMP2B/ISRC1/RP50/RC2Bi-DirectionalOp amp positive input
17RC6AN17/ANN1/IBIAS1/RP54/RC6Bi-DirectionalAnalog input / GPIO
20RC3AN15/CMP2A/IBIAS2/RP51/RC3Bi-DirectionalAnalog input / GPIO
23RD10AN18/CMP3C/ISRC3/RP74/RD10Bi-DirectionalAnalog input / GPIO
24RC7AN16/ISRC2/RP55/RC7Bi-DirectionalAnalog input / GPIO
25RB2OA2OUT/AN1/AN7/ANA0/CMP1D/CMP2D/CMP3D/RP34/SCL3/INT0/RB2Bi-DirectionalOp amp output / interrupt
Communication Interfaces

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
28RC8RP56/ASDA1/SCK2/RC8Bi-DirectionalI2C data / SPI clock
29RC9RP57/ASCL1/SDI2/RC9Bi-DirectionalI2C clock / SPI input
30RD8RP72/SDO2/PCI19/RD8OutputSPI data out
38RC4RP52/PWM5H/ASDA2/RC4Bi-DirectionalAlt I2C data / PWM
39RC5RP53/PWM5L/ASCL2/RC5Bi-DirectionalAlt I2C clock / PWM
PWM Outputs

Table

Pin #Pin nameDatasheet functionSuggested Pin TypeShort description
1RB14RP46/PWM1H/RB14Bi-DirectionalPWM1 high / GPIO
2RB15RP47/PWM1L/RB15Bi-DirectionalPWM1 low / GPIO
3RC12RP60/PWM8H/RC12Bi-DirectionalPWM8 high / GPIO
4RC13RP61/PWM8L/RC13Bi-DirectionalPWM8 low / GPIO
40RC10RP58/PWM7H/RC10Bi-DirectionalPWM7 high / GPIO
41RC11RP59/PWM7L/RC11Bi-DirectionalPWM7 low / GPIO
44RD1RP65/PWM4H/RD1Bi-DirectionalPWM4 high / GPIO
48RB13RP45/PWM2L/RB13Bi-DirectionalPWM2 low / GPIO
Pin Group Property Suggestions
If you want these applied as Flux terminal properties, use these Pin Group values:
  • Power: AVDD, VDD pins
  • Ground: AVSS, VSS pins, exposed/corner pads
  • Reset: ~MCLR
  • Clock: RB0, RB1
  • Debug: PGD/PGC/JTAG pins
  • Analog: analog/op amp/comparator/DAC pins
  • Communication: I2C/SPI-related pins
  • PWM: primary PWM pins
For a port-bank-style grouping instead, use:
  • RA: RA0–RA4
  • RB: RB0–RB15
  • RC: RC0–RC13
  • RD: RD1, RD8, RD10, RD13
  • Power: AVDD, VDD, AVSS, VSS, exposed/corner pads
  • Reset: ~MCLR
Notes / Mismatches to Keep in Mind
  • The project has terminals for pins 49–53 as VSS_4 through VSS_8. This is reasonable electrically if they represent the exposed/corner pads, but the datasheet describes them as exposed/corner pads rather than normal numbered VSS pins.
  • All existing terminal Pin Type values are currently Unspecified; the table above gives suggested types.
  • Because dsPIC pins are heavily multiplexed, a pin can support multiple peripheral functions, but this grouping intentionally places each pin in only one group to avoid duplication.

  • Recommended Groups

  • Power

  • Ground

  • Reset / Control

  • Clock / Oscillator

  • Programming / Debug

  • Analog / Comparator / Op Amp / DAC

  • Communication Interfaces

  • PWM Outputs

  • Pin Group Property Suggestions

  • Notes / Mismatches to Keep in Mind

Documents

  • Part Datasheet Review — dsPIC33CK256MP205-I/M4

  • Pin Function Groups — dsPIC33CK256MP205-I/M4

Assets

dsPIC33CK256MP205-I_M4

dsPIC33CK256MP205-I_M4

dsPIC33CK256MP205-I_M4 Symbol.svgDefault
stp

dsPIC33CK256MP205-I_M4

dsPIC33CK256MP205-I_M4.stp3D Model
DSPIC33CK256MP205-IM4-thumb.png

DSPIC33CK256MP205-IM4-thumb.png

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kicad_mod

dsPIC33CK256MP205-I_M4

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dsPIC33CK256MP205-I/M4

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dsPIC dsPIC™ 33CK, Functional Safety (FuSa) Microcontroller IC 16-Bit 100MHz 256KB (256K x 8) FLASH 48-UQFN (6x6)
28/36/48/64/80-Pin Digital Signal Controllers with High-Resolution PWM and CAN Flexible Data (CAN FD)
Operating Conditions • 3.0V to 3.6V, -40°C to +125°C, DC to 100 MIPS • 3.0V to 3.6V, -40°C to +150°C, DC to 70 MIPS Core: 16-Bit dsPIC33CK CPU • 32-256 Kbytes of Program Flash with ECC and 8-24K RAM • Fast 6-Cycle Divide • LiveUpdate • Code Efficient (C and Assembly) Architecture • 40-Bit Wide Accumulators • Single-Cycle (MAC/MPY) with Dual Data Fetch • Single-Cycle, Mixed-Sign MUL Plus Hardware Divide • 32-Bit Multiply Support • Four Sets of Interrupt Context Saving Registers which Include Accumulator and STATUS for Fast Interrupt Handling • Zero Overhead Looping • RAM Memory Built-In Self-Test (MBIST) Clock Management • Internal Oscillator • Programmable PLLs and Oscillator Clock Sources • Reference Clock Output • Fail-Safe Clock Monitor (FSCM) • Fast Wake-up and Start-up • Backup Internal Oscillator Power Management • Low-Power Management Modes (Sleep, Idle, Doze) • Integrated Power-on Reset and Brown-out Reset High-Speed PWM • Eight PWM Pairs • Up to 250 ps PWM Resolution • Dead Time for Rising and Falling Edges • Dead-Time Compensation • Clock Chopping for High-Frequency Operation • PWM Support for:
  • DC/DC, AC/DC, inverters, PFC, lighting
  • BLDC, PMSM, ACIM, SRM motors • Fault and Current Limit Inputs • Flexible Trigger Configuration for ADC Triggering Timers/Output Compare/Input Capture • One General Purpose Timer • Peripheral Trigger Generator (PTG):
  • Up to 15 trigger sources to other peripheral modules
  • CPU independent state machine-based instruction sequencer • Nine MCCP/SCCP modules which Include Timer, Capture/Compare and PWM:
  • One MCCP
  • Eight SCCPs
  • 16 or 32-bit time base
  • 16 or 32-bit capture
  • 4-deep capture buffer • Fully Asynchronous Operation, Available in Sleep Modes
#CommonPartsLibrary #IntegratedCircuit #Microcontroller #DSPIC33CK256MP

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DSPIC33CK256MP205-I/M4

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