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Contents

README

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TMS320F2808PZAR

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

TMS320F2808PZAR from Texas Instruments, in a LQFP-100(14x14). 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 GPIO12 bidirectional General-purpose I/O 12 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are Trip Zone 1 input, enhanced CAN-B transmit and SPI-B slave in/master out.
2 VSS power_in Digital ground pin.
3 VDDIO power_in Digital I/O power pin, 3.3 V.
4 GPIO29 bidirectional General-purpose I/O 29 (I/O/Z, pullup enabled at reset, 8-mA typical output buffer); alternate functions are SCI-A transmit data and Trip Zone 6 input.
5 GPIO33/SCLA/EPWMSYNCO/ADCSOCBO bidirectional General-purpose I/O 33 (I/O/Z, pullup enabled at reset); alternate functions are I2C clock open-drain (I/OD), EPWM external sync output and ADC start-of-conversion B output.
6 GPIO30/CANRXA bidirectional General-purpose I/O 30 (I/O/Z, pullup enabled at reset, 8-mA typical output buffer); alternate function is enhanced CAN-A receive data input.
7 GPIO31/CANTXA bidirectional General-purpose I/O 31 (I/O/Z, pullup enabled at reset, 8-mA typical output buffer); alternate function is enhanced CAN-A transmit data output.
8 GPIO14 bidirectional General-purpose I/O 14 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are Trip Zone 3 input, SCI-B transmit and SPI-B clock input/output.
9 GPIO15 bidirectional General-purpose I/O 15 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are Trip Zone 4 input, SCI-B receive and SPI-B slave transmit enable.
10 VDD power_in CPU and logic digital power pin, 1.8 V.
11 VSS power_in Digital ground pin.
12 VDD1A18 power_in ADC analog power pin, 1.8 V.
13 VSS1AGND power_in ADC analog ground pin.
14 VSSA2 power_in ADC analog ground pin.
15 VDDA2 power_in ADC analog power pin, 3.3 V.
16 ADCINA7 input ADC Group A, channel 7 analog input (0 to 3 V with respect to ADCLO).
17 ADCINA6 input ADC Group A, channel 6 analog input (0 to 3 V with respect to ADCLO).
18 ADCINA5 input ADC Group A, channel 5 analog input (0 to 3 V with respect to ADCLO).
19 ADCINA4 input ADC Group A, channel 4 analog input (0 to 3 V with respect to ADCLO).
20 ADCINA3 input ADC Group A, channel 3 analog input (0 to 3 V with respect to ADCLO).
21 ADCINA2 input ADC Group A, channel 2 analog input (0 to 3 V with respect to ADCLO).
22 ADCINA1 input ADC Group A, channel 1 analog input (0 to 3 V with respect to ADCLO).
23 ADCINA0 input ADC Group A, channel 0 analog input (0 to 3 V with respect to ADCLO).
24 ADCLO power_in ADC low reference; must be connected to analog ground.
25 VSSAIO power_in ADC analog I/O ground pin.
26 VDDAIO power_in ADC analog I/O power pin, 3.3 V.
27 ADCINB0 input ADC Group B, channel 0 analog input (0 to 3 V with respect to ADCLO).
28 ADCINB1 input ADC Group B, channel 1 analog input (0 to 3 V with respect to ADCLO).
29 ADCINB2 input ADC Group B, channel 2 analog input (0 to 3 V with respect to ADCLO).
30 ADCINB3 input ADC Group B, channel 3 analog input (0 to 3 V with respect to ADCLO).
31 ADCINB4 input ADC Group B, channel 4 analog input (0 to 3 V with respect to ADCLO).
32 ADCINB5 input ADC Group B, channel 5 analog input (0 to 3 V with respect to ADCLO).
33 ADCINB6 input ADC Group B, channel 6 analog input (0 to 3 V with respect to ADCLO).
34 ADCINB7 input ADC Group B, channel 7 analog input (0 to 3 V with respect to ADCLO).
35 ADCREFIN input External ADC reference input; connect to VSS when the internal reference is used.
36 ADCREFM output ADC internal reference medium output; requires a low-ESR (under 1.5 Ω) 2.2 µF ceramic bypass capacitor to analog ground and must not be loaded externally.
37 ADCREFP output ADC internal reference positive output; requires a low-ESR (under 1.5 Ω) 2.2 µF ceramic bypass capacitor to analog ground and must not be loaded externally.
38 ADCRESEXT passive ADC external current bias resistor; connect a 22 kΩ resistor to analog ground.
39 VSS2AGND power_in ADC analog ground pin.
40 VDD2A18 power_in ADC analog power pin, 1.8 V.
41 VSS power_in Digital ground pin.
42 VDD power_in CPU and logic digital power pin, 1.8 V.
43 GPIO34 bidirectional General-purpose I/O 34 (I/O/Z, pullup enabled at reset) with no peripheral alternate function listed.
44 GPIO1/EPWM1B/SPISIMOD bidirectional General-purpose I/O 1 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM1B output and SPI-D slave in/master out.
45 GPIO2/EPWM2A bidirectional General-purpose I/O 2 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate function is EPWM2A output and HRPWM channel.
46 VDDIO power_in Digital I/O power pin, 3.3 V.
47 GPIO0/EPWM1A bidirectional General-purpose I/O 0 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate function is EPWM1A output and HRPWM channel.
48 GPIO3/EPWM2B/SPISOMID bidirectional General-purpose I/O 3 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM2B output and SPI-D slave out/master in.
49 VSS power_in Digital ground pin.
50 GPIO16/SPISIMOA/CANTXB/TZ5 bidirectional General-purpose I/O 16 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are SPI-A slave in/master out, enhanced CAN-B transmit and Trip Zone 5 input.
51 GPIO4/EPWM3A bidirectional General-purpose I/O 4 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate function is EPWM3A output and HRPWM channel.
52 GPIO17/SPISOMIA/CANRXB/TZ6 bidirectional General-purpose I/O 17 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are SPI-A slave out/master in, enhanced CAN-B receive and Trip Zone 6 input.
53 GPIO5/EPWM3B/SPICLKD/ECAP1 bidirectional General-purpose I/O 5 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM3B output, SPI-D clock and enhanced capture 1.
54 GPIO18/SPICLKA/SCITXDB bidirectional General-purpose I/O 18 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are SPI-A clock input/output and SCI-B transmit.
55 VSS power_in Digital ground pin.
56 GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO bidirectional General-purpose I/O 6 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM4A output and HRPWM channel, external ePWM sync input and external ePWM sync output.
57 GPIO19/SPISTEA/SCIRXDB bidirectional General-purpose I/O 19 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are SPI-A slave transmit enable and SCI-B receive.
58 GPIO7/EPWM4B/SPISTED/ECAP2 bidirectional General-purpose I/O 7 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM4B output, SPI-D slave transmit enable and enhanced capture 2.
59 VDD power_in CPU and logic digital power pin, 1.8 V.
60 GPIO8/EPWM5A/CANTXB/ADCSOCAO bidirectional General-purpose I/O 8 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM5A output and HRPWM channel, enhanced CAN-B transmit and ADC start-of-conversion A output.
61 GPIO9/EPWM5B/SCITXDB/ECAP3 bidirectional General-purpose I/O 9 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM5B output, SCI-B transmit and enhanced capture 3.
62 VSS power_in Digital ground pin.
63 GPIO20/EQEP1A/SPISIMOC/CANTXB bidirectional General-purpose I/O 20 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced QEP1 input A, SPI-C slave in/master out and enhanced CAN-B transmit.
64 GPIO10/EPWM6A/CANRXB/ADCSOCBO bidirectional General-purpose I/O 10 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM6A output and HRPWM channel, enhanced CAN-B receive and ADC start-of-conversion B output.
65 VDDIO power_in Digital I/O power pin, 3.3 V.
66 XCLKOUT tri_state Output clock derived from SYSCLKOUT (same, one-half or one-fourth frequency, set by XCLKOUTDIV; reset value SYSCLKOUT/4); it is not placed in high-impedance during reset and has an 8-mA drive.
67 GPIO21/EQEP1B/SPISOMIC/CANRXB bidirectional General-purpose I/O 21 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced QEP1 input B, SPI-C master in/slave out and enhanced CAN-B receive.
68 VDD power_in CPU and logic digital power pin, 1.8 V.
69 VSS power_in Digital ground pin.
70 GPIO11/EPWM6B/SCIRXDB/ECAP4 bidirectional General-purpose I/O 11 (I/O/Z, pullups not enabled at reset, 4-mA typical); alternate functions are EPWM6B output, SCI-B receive and enhanced capture 4.
71 GPIO22/EQEP1S/SPICLKC/SCITXDB bidirectional General-purpose I/O 22 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced QEP1 strobe, SPI-C clock and SCI-B transmit.
72 GPIO23/EQEP1I/SPISTEC/SCIRXDB bidirectional General-purpose I/O 23 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced QEP1 index, SPI-C slave transmit enable and SCI-B receive.
73 TDI input JTAG test data input with internal pullup; TDI is clocked into the selected register on the rising edge of TCK.
74 TMS input JTAG test-mode select with internal pullup; clocked into the TAP controller on the rising edge of TCK.
75 TCK input JTAG test clock with internal pullup.
76 TDO tri_state JTAG scan test data output, shifted out on the falling edge of TCK with 8-mA drive.
77 VSS power_in Digital ground pin.
78 XRS bidirectional Device reset input and watchdog reset output; it is an open-drain output with internal pullup, driven low for 512 OSCCLK cycles during a watchdog reset, and external drivers must be open-drain.
79 GPIO27/ECAP4/EQEP2S/SPISTEB bidirectional General-purpose I/O 27 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced capture 4, enhanced QEP2 strobe and SPI-B slave transmit enable.
80 EMU0 bidirectional Emulator pin 0 (I/O/Z, 8-mA drive); an external pullup of 2.2 kΩ to 4.7 kΩ is recommended.
81 EMU1 bidirectional Emulator pin 1 (I/O/Z, 8-mA drive); an external pullup of 2.2 kΩ to 4.7 kΩ is recommended.
82 VDDIO power_in Digital I/O power pin, 3.3 V.
83 GPIO24/ECAP1/EQEP2A/SPISIMOB bidirectional General-purpose I/O 24 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced capture 1, enhanced QEP2 input A and SPI-B slave in/master out.
84 TRST input JTAG test reset with internal pulldown; must be held low during normal operation and requires an external 2.2 kΩ pulldown, with no pullup.
85 VDD power_in CPU and logic digital power pin, 1.8 V.
86 X2 output Internal oscillator output; a quartz crystal or ceramic resonator is connected across X1 and X2, and X2 must be left unconnected if not used.
87 VSS power_in Digital ground pin.
88 X1 input Internal/external oscillator input referenced to the 1.8-V core supply; a 1.8-V external oscillator may drive it with XCLKIN tied to ground.
89 VSS power_in Digital ground pin.
90 XCLKIN input External oscillator input; when a 3.3-V oscillator is used this pin is the clock input and X1 is tied to ground, and when a crystal or 1.8-V oscillator is used XCLKIN is tied to ground.
91 GPIO25/ECAP2/EQEP2B/SPISOMIB bidirectional General-purpose I/O 25 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced capture 2, enhanced QEP2 input B and SPI-B master in/slave out.
92 GPIO28/SCIRXDA/TZ5 bidirectional General-purpose I/O 28 (I/O/Z, pullup enabled at reset, 8-mA typical output buffer); alternate functions are SCI-A receive data and Trip Zone 5 input.
93 VDD power_in CPU and logic digital power pin, 1.8 V.
94 VSS power_in Digital ground pin.
95 GPIO13 bidirectional General-purpose I/O 13 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are Trip Zone 2 input, enhanced CAN-B receive and SPI-B slave out/master in.
96 VDD3VFL power_in 3.3-V flash core power pin, which must be connected to 3.3 V at all times.
97 TEST1 unconnected Reserved for TI test; must be left unconnected.
98 TEST2 unconnected Reserved for TI test; must be left unconnected.
99 GPIO26/ECAP3/EQEP2I/SPICLKB bidirectional General-purpose I/O 26 (I/O/Z, pullup enabled at reset, 4-mA typical); alternate functions are enhanced capture 3, enhanced QEP2 index and SPI-B clock.
100 GPIO32/SDAA/EPWMSYNCI/ADCSOCAO bidirectional General-purpose I/O 32 (I/O/Z, pullup enabled at reset); alternate functions are I2C data open-drain (I/OD), enhanced PWM external sync input and ADC start-of-conversion A output.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package LQFP-100(14x14)
Category Embedded Processors & Controllers
Pins 100

CAD (KiCad official)

  • Symbol: TMS320F2808PZAR
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: tms320f2808pzar-etched.step / tms320f2808pzar-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tms320f2808pzar.step / tms320f2808pzar.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (157 pp, sha256 a13113c4c002c567, retrieved 2026-10-07, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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