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Contents

README

markdown

F280023PNQR

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · LQFP-80(12x12)

F280023PNQR from Texas Instruments, in a LQFP-80(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 GPIO30 bidirectional General Purpose I/O 30, alternate functions include CANA_RX
2 GPIO31 bidirectional General Purpose I/O 31, alternate functions include CANA_TX
3 GPIO29 bidirectional General Purpose I/O 29, alternate functions include SCIA_TX, EPWM7_B
4 GPIO28 bidirectional General Purpose I/O 28, alternate functions include SCIA_RX, EPWM7_A
5 XRSn bidirectional Device reset input/output (open drain), device and watchdog reset
6 GPIO46 bidirectional General Purpose I/O 46, alternate functions include LINA_TX
7 VDDIO power_out 3.3V I/O supply voltage
8 VDD power_out 1.2V digital core supply voltage
9 VSS power_in Digital ground
10 A6 input ADC-A input 6, CMPSS-1 high positive input 2
11 C6 input ADC-C input 6, CMPSS-3 high positive input 0
12 A3/C5/VDAC input ADC-A input 3, ADC-C input 5, CMPSS DAC reference with internal capacitor
13 A2/C9 input ADC-A input 2, ADC-C input 9, CMPSS-1 high positive input 0
14 A15/C7 input ADC-A input 15, ADC-C input 7, CMPSS-1 high positive input 3
15 A14/C4 input ADC-A input 14, ADC-C input 4, CMPSS-3 high positive input 4
16 A11/C0 input ADC-A input 11, ADC-C input 0, CMPSS-1 high positive input 1
17 A5/C2 input ADC-A input 5, ADC-C input 2, CMPSS-3 high positive input 1
18 A1 input ADC-A input 1, CMPSS-1 high positive input 4
19 A0/C15 input ADC-A input 0, ADC-C input 15, CMPSS-3 high positive input 2
20 VREFHI input ADC reference voltage high, requires 2.2uF capacitor
21 VREFLO input ADC reference voltage low
22 A12/C1 input ADC-A input 12, ADC-C input 1, CMPSS-2 and CMPSS-4 inputs
23 A7/C3 input ADC-A input 7, ADC-C input 3, CMPSS-4 high positive input 1
24 A8/C11 input ADC-A input 8, ADC-C input 11, CMPSS-2 and CMPSS-4 inputs
25 VSSA power_in Analog ground
26 VDDA power_out 3.3V analog supply voltage, requires 2.2uF capacitor
27 A4/C14 input ADC-A input 4, ADC-C input 14, CMPSS-2 and CMPSS-4 inputs
28 A9/C8 input ADC-A input 9, ADC-C input 8, CMPSS-2 and CMPSS-4 inputs
29 A10/C10 input ADC-A input 10, ADC-C input 10, CMPSS-2 inputs
30 VSS power_in Digital ground
31 VDD power_out 1.2V digital core supply voltage
32 VDDIO power_out 3.3V I/O supply voltage
33 FLT2 unconnected Flash test pin 2 (reserved for TI, must be left unconnected)
34 FLT1 unconnected Flash test pin 1 (reserved for TI, must be left unconnected)
35 GPIO13 bidirectional General Purpose I/O 13, alternate functions include EPWM7_B, EQEP1_INDEX
36 GPIO12 bidirectional General Purpose I/O 12, alternate functions include EPWM7_A, EQEP1_STROBE
37 GPIO11 bidirectional General Purpose I/O 11, alternate functions include EPWM6_B, OUTPUTXBAR7
38 GPIO33 bidirectional General Purpose I/O 33, alternate functions include I2CA_SCL, SPIB_STE, OUTPUTXBAR4
39 GPIO16 bidirectional General Purpose I/O 16, alternate functions include SPIA_SIMO, OUTPUTXBAR7
40 GPIO17 bidirectional General Purpose I/O 17, alternate functions include SPIA_SOMI, OUTPUTXBAR8
41 GPIO24 bidirectional General Purpose I/O 24, alternate functions include OUTPUTXBAR1, EQEP2_A
42 GPIO25 bidirectional General Purpose I/O 25, alternate functions include OUTPUTXBAR2, EQEP2_B
43 GPIO26 bidirectional General Purpose I/O 26, alternate functions include OUTPUTXBAR3, EQEP2_INDEX
44 GPIO27 bidirectional General Purpose I/O 27, alternate functions include OUTPUTXBAR4, EQEP2_STROBE
45 TCK input JTAG test clock with internal pull-up
46 GPIO37/TDO tri_state GPIO 37 or JTAG test data output (tri-state), should have pull-up when used as GPIO
47 TMS input JTAG test mode select with internal pull-up
48 GPIO35/TDI input GPIO 35 or JTAG test data input, should have internal or external pull-up
49 GPIO32 bidirectional General Purpose I/O 32, alternate functions include I2CA_SDA, SPIB_CLK
50 GPIO18_X2 bidirectional GPIO 18 or X2 crystal oscillator output
51 GPIO19_X1 bidirectional GPIO 19 or X1 crystal oscillator input
52 VDDIO power_out 3.3V I/O supply voltage
53 VDD power_out 1.2V digital core supply voltage
54 GPIO43 bidirectional General Purpose I/O 43, alternate functions include OUTPUTXBAR6, PMBUSA_ALERT
55 VSS power_in Digital ground
56 GPIO39 bidirectional General Purpose I/O 39, alternate functions include FSIRXA_CLK, EQEP2_INDEX
57 GPIO42 bidirectional General Purpose I/O 42, alternate functions include LINA_RX, OUTPUTXBAR5
58 GPIO8 bidirectional General Purpose I/O 8, alternate functions include EPWM5_A, ADCSOCAO
59 GPIO4 bidirectional General Purpose I/O 4, alternate functions include EPWM3_A, OUTPUTXBAR3
60 GPIO3 bidirectional General Purpose I/O 3, alternate functions include EPWM2_B, OUTPUTXBAR2
61 GPIO2 bidirectional General Purpose I/O 2, alternate functions include EPWM2_A, OUTPUTXBAR1
62 GPIO1 bidirectional General Purpose I/O 1, alternate functions include EPWM1_B, I2CA_SCL
63 GPIO0 bidirectional General Purpose I/O 0, alternate functions include EPWM1_A, I2CA_SDA
64 GPIO40 bidirectional General Purpose I/O 40, alternate functions include SPIB_SIMO, EPWM2_B
65 GPIO23 bidirectional General Purpose I/O 23, alternate functions include EQEP1_INDEX, SPIB_STE
66 GPIO41 bidirectional General Purpose I/O 41, alternate functions include EPWM2_A, PMBUSA_SCL
67 GPIO22 bidirectional General Purpose I/O 22, alternate functions include EQEP1_STROBE, SPIB_CLK
68 GPIO7 bidirectional General Purpose I/O 7, alternate functions include EPWM4_B, OUTPUTXBAR5
69 GPIO44 bidirectional General Purpose I/O 44, alternate functions include OUTPUTXBAR7, EQEP1_A
70 VSS power_in Digital ground
71 VDD power_out 1.2V digital core supply voltage
72 VDDIO power_out 3.3V I/O supply voltage
73 GPIO45 bidirectional General Purpose I/O 45, alternate functions include OUTPUTXBAR8, FSITXA_D0
74 GPIO5 bidirectional General Purpose I/O 5, alternate functions include EPWM3_B, OUTPUTXBAR3
75 GPIO9 bidirectional General Purpose I/O 9, alternate functions include EPWM5_B, OUTPUTXBAR6
76 GPIO10 bidirectional General Purpose I/O 10, alternate functions include EPWM6_A, ADCSOCBO
77 GPIO34 bidirectional General Purpose I/O 34, alternate functions include OUTPUTXBAR1, PMBUSA_SDA
78 GPIO15 bidirectional General Purpose I/O 15, alternate functions include I2CB_SCL, OUTPUTXBAR4
79 GPIO14 bidirectional General Purpose I/O 14, alternate functions include I2CB_SDA, OUTPUTXBAR3
80 GPIO6 bidirectional General Purpose I/O 6, alternate functions include EPWM4_A, OUTPUTXBAR4

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package LQFP-80(12x12)
Category Embedded Processors & Controllers
Pins 80

CAD (KiCad official)

  • Symbol: F280023PNQR
  • Footprint: Package_QFP:LQFP-80_12x12mm_P0.5mm
  • 3D model: LQFP-80(12x12) (KiCad packages3D, STEP)
  • 3D model files: f280023pnqr-etched.step / f280023pnqr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); f280023pnqr.step / f280023pnqr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (245 pp, sha256 0723d8e3e09e1f8b, retrieved 2026-10-03, 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-4-5-20251001 (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