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Contents

README

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F280039CPZRQ1

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

F280039CPZRQ1 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 GPIO28 bidirectional General-Purpose Input Output 28 with configurable digital input/output functionality
2 XRSn input Device reset input (active low) with internal pullup resistor for system reset control
3 VDDIO power_in 3.3-V Digital I/O Power Supply pin
4 VDD power_in 1.2-V Digital Core Logic Power Supply pin
5 VSS power_in Digital Ground reference pin
6 GPIO47 bidirectional General-Purpose Input Output 47 with configurable digital input/output functionality
7 GPIO48 bidirectional General-Purpose Input Output 48 with configurable digital input/output functionality
8 GPIO49 bidirectional General-Purpose Input Output 49 with configurable digital input/output functionality
9 GPIO50 bidirectional General-Purpose Input Output 50 with configurable digital input/output functionality
10 GPIO51 bidirectional General-Purpose Input Output 51 with configurable digital input/output functionality
11 GPIO52 bidirectional General-Purpose Input Output 52 with configurable digital input/output functionality
12 GPIO53 bidirectional General-Purpose Input Output 53 with configurable digital input/output functionality
13 GPIO54 bidirectional General-Purpose Input Output 54 with configurable digital input/output functionality
14 A6 input ADC-A Input 6 with CMPSS-1 comparator mux capability
15 B2,C6 input ADC-B Input 2 and ADC-C Input 6 via analog mux selection with CMPSS-3 comparator inputs
16 B3,VDAC input ADC-B Input 3 and optional external DAC reference voltage with CMPSS-3 inputs; requires 1-µF capacitor if used as VDAC
17 A2,B6,C9 input ADC-A Input 2, ADC-B Input 6, or ADC-C Input 9 via analog mux selection with CMPSS-1 inputs
18 A3,B9,C7 input ADC-A Input 3, ADC-B Input 9, or ADC-C Input 7 via analog mux selection with CMPSS-3 inputs
19 A14,B14,C4 input ADC-A Input 14, ADC-B Input 14, or ADC-C Input 4 via analog mux selection with CMPSS-3 inputs
20 A11,B10,C0 input ADC-A Input 11, ADC-B Input 10, or ADC-C Input 0 via analog mux selection with CMPSS-1 inputs
21 B12,C2 input ADC-B Input 12 or ADC-C Input 2 via analog mux selection with CMPSS-3 inputs
22 A1,B7,DACB_OUT bidirectional ADC-A Input 1, ADC-B Input 7 via analog mux, or Buffered DAC-B Output depending on mux configuration with CMPSS-1 inputs
23 A0,B15,C15,DACA_OUT bidirectional ADC-A Input 0, ADC-B Input 15, ADC-C Input 15 via analog mux, or Buffered DAC-A Output depending on configuration with CMPSS-3 inputs
24 VREFHI input ADC Reference Voltage High (positive reference for analog-to-digital converters)
25 VREFHI input ADC Reference Voltage High (positive reference for analog-to-digital converters, second pin)
26 VREFLO input ADC Reference Voltage Low (negative reference for analog-to-digital converters)
27 VREFLO input ADC Reference Voltage Low (negative reference for analog-to-digital converters, second pin)
28 A12,C5 input ADC-A Input 12 or ADC-C Input 5 via analog mux selection with CMPSS-2/4 inputs
29 C1 input ADC-C Input 1 with CMPSS-4 comparator input capability
30 B11 input ADC-B Input 11 with CMPSS-4 comparator input capability
31 A7,C3 input ADC-A Input 7 or ADC-C Input 3 via analog mux selection with CMPSS-4 inputs
32 B5 input ADC-B Input 5 with CMPSS-1 comparator input capability
33 VSSA power_in Analog Ground reference pin
34 VDDA power_in 3.3-V Analog Power Supply requiring minimum 2.2-µF decoupling capacitor
35 A5 input ADC-A Input 5 with CMPSS-2 comparator input capability
36 A4,B8 input ADC-A Input 4 or ADC-B Input 8 via analog mux selection with CMPSS-2 inputs
37 A8 input ADC-A Input 8 with CMPSS-4 comparator input capability
38 A9 input ADC-A Input 9 with CMPSS-2 comparator input capability
39 B4,C8 input ADC-B Input 4 or ADC-C Input 8 via analog mux selection with CMPSS-4 inputs
40 A10,B1,C10 input ADC-A Input 10, ADC-B Input 1, or ADC-C Input 10 via analog mux selection with CMPSS-2 inputs
41 B0,C11 input ADC-B Input 0 or ADC-C Input 11 via analog mux selection with CMPSS-2 inputs
42 C14 input ADC-C Input 14 with CMPSS-4 comparator input capability
43 GPIO55 bidirectional General-Purpose Input Output 55 with configurable digital input/output functionality
44 GPIO60 bidirectional General-Purpose Input Output 60 with configurable digital input/output functionality
45 VSS power_in Digital Ground reference pin
46 VDD power_in 1.2-V Digital Core Logic Power Supply pin
47 VDDIO power_in 3.3-V Digital I/O Power Supply pin
48 B5,GPIO20 bidirectional General-Purpose Input Output 20 or ADC-B Input 5 via analog mux selection with multiple peripheral mux options
49 B11,GPIO21 bidirectional General-Purpose Input Output 21 or ADC-B Input 11 via analog mux selection with multiple peripheral mux options
50 GPIO13 bidirectional General-Purpose Input Output 13 with configurable digital input/output functionality
51 GPIO12 bidirectional General-Purpose Input Output 12 with configurable digital input/output functionality
52 GPIO11 bidirectional General-Purpose Input Output 11 with configurable digital input/output functionality
53 GPIO33 bidirectional General-Purpose Input Output 33 with configurable digital input/output functionality
54 GPIO16 bidirectional General-Purpose Input Output 16 with configurable digital input/output functionality
55 GPIO17 bidirectional General-Purpose Input Output 17 with configurable digital input/output functionality
56 GPIO24 bidirectional General-Purpose Input Output 24 with configurable digital input/output functionality
57 GPIO25 bidirectional General-Purpose Input Output 25 with configurable digital input/output functionality
58 GPIO26 bidirectional General-Purpose Input Output 26 with configurable digital input/output functionality
59 GPIO27 bidirectional General-Purpose Input Output 27 with configurable digital input/output functionality
60 TCK input JTAG Test Clock input with internal pullup resistor for JTAG test mode control
61 GPIO37/TDO tri_state JTAG Test Data Output (tri-states when inactive) or GPIO37 via muxing; requires external pullup or enabled internal pullup when not actively driven
62 TMS input JTAG Test Mode Select input with internal pullup resistor for JTAG test mode control
63 GPIO35/TDI input JTAG Test Data Input or GPIO35 via muxing; internal pullup disabled by default and requires external pullup or software-enabled internal pullup
64 GPIO32 bidirectional General-Purpose Input Output 32 with configurable digital input/output functionality
65 GPIO56 bidirectional General-Purpose Input Output 56 with configurable digital input/output functionality
66 GPIO57 bidirectional General-Purpose Input Output 57 with configurable digital input/output functionality
67 GPIO58 bidirectional General-Purpose Input Output 58 with configurable digital input/output functionality
68 GPIO18,X2 bidirectional General-Purpose Input Output 18 or Crystal Oscillator Output (X2) via muxing for crystal oscillator operation
69 GPIO19,X1 bidirectional General-Purpose Input Output 19 or Crystal Oscillator Input (X1) via muxing; supports external 3.3-V single-ended clock input when XTAL disabled
70 VDDIO power_in 3.3-V Digital I/O Power Supply pin
71 VDD power_in 1.2-V Digital Core Logic Power Supply pin
72 VSS power_in Digital Ground reference pin
73 VREGENZ input Internal voltage regulator disable control with internal pulldown; tie low to VSS to enable internal VREG, tie high to VDDIO for external supply operation
74 GPIO8 bidirectional General-Purpose Input Output 8 with configurable digital input/output functionality
75 GPIO4 bidirectional General-Purpose Input Output 4 with configurable digital input/output functionality
76 GPIO3 bidirectional General-Purpose Input Output 3 with configurable digital input/output functionality
77 GPIO2 bidirectional General-Purpose Input Output 2 with configurable digital input/output functionality
78 GPIO1 bidirectional General-Purpose Input Output 1 with configurable digital input/output functionality
79 GPIO0 bidirectional General-Purpose Input Output 0 with configurable digital input/output functionality
80 GPIO40 bidirectional General-Purpose Input Output 40 with configurable digital input/output functionality
81 GPIO23 bidirectional General-Purpose Input Output 23 with configurable digital input/output functionality
82 GPIO41 bidirectional General-Purpose Input Output 41 with configurable digital input/output functionality
83 GPIO22 bidirectional General-Purpose Input Output 22 with configurable digital input/output functionality
84 GPIO7 bidirectional General-Purpose Input Output 7 with configurable digital input/output functionality
85 GPIO44 bidirectional General-Purpose Input Output 44 with configurable digital input/output functionality
86 VSS power_in Digital Ground reference pin
87 VDD power_in 1.2-V Digital Core Logic Power Supply pin
88 VDDIO power_in 3.3-V Digital I/O Power Supply pin
89 GPIO5 bidirectional General-Purpose Input Output 5 with configurable digital input/output functionality
90 GPIO9 bidirectional General-Purpose Input Output 9 with configurable digital input/output functionality
91 GPIO61 bidirectional General-Purpose Input Output 61 with configurable digital input/output functionality
92 GPIO59 bidirectional General-Purpose Input Output 59 with configurable digital input/output functionality
93 GPIO10 bidirectional General-Purpose Input Output 10 with configurable digital input/output functionality
94 GPIO34 bidirectional General-Purpose Input Output 34 with configurable digital input/output functionality
95 GPIO15 bidirectional General-Purpose Input Output 15 with configurable digital input/output functionality
96 GPIO14 bidirectional General-Purpose Input Output 14 with configurable digital input/output functionality
97 GPIO6 bidirectional General-Purpose Input Output 6 with configurable digital input/output functionality
98 GPIO30 bidirectional General-Purpose Input Output 30 with configurable digital input/output functionality
99 GPIO31 bidirectional General-Purpose Input Output 31 with configurable digital input/output functionality
100 GPIO29 bidirectional General-Purpose Input Output 29 with configurable digital input/output functionality

Key specifications

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

CAD (KiCad official)

  • Symbol: F280039CPZRQ1
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: f280039cpzrq1-etched.step / f280039cpzrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); f280039cpzrq1.step / f280039cpzrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (254 pp, sha256 d28fbc05d2db473b, retrieved 2026-10-06, tier: lcsc)
  • 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