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TMS320F28335PTPQ

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Texas Instruments Microcontrollers (MCU/MPU/SOC), LQFP-176(24x24). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllerstms320f28335ptpqfactory-2.0.0extractor-text
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Contents

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TMS320F28335PTPQ

Texas Instruments · Microcontrollers (MCU/MPU/SOC) · LQFP-176(24x24)

TMS320F28335PTPQ from Texas Instruments, in a LQFP-176(24x24). 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/CANRXA/XA18 bidirectional General-purpose input/output 30 pin that can also function as Enhanced CAN-A receive (input) or External Interface Address Line 18 (output).
2 GPIO29/SCITXDA/XA19 bidirectional General-purpose input/output 29 pin that can also function as SCI transmit data (output) or External Interface Address Line 19 (output).
3 VSS power_in Digital ground pin for device power supply.
4 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
5 GPIO0/EPWM1A bidirectional General-purpose input/output 0 pin that can also function as Enhanced PWM1 output A and HRPWM channel (output).
6 GPIO1/EPWM1B/ECAP6/MFSRB bidirectional General-purpose input/output 1 pin that can also function as Enhanced PWM1 output B, Enhanced Capture 6, or McBSP-B receive frame synch.
7 GPIO2/EPWM2A bidirectional General-purpose input/output 2 pin that can also function as Enhanced PWM2 output A and HRPWM channel (output).
8 VSS power_in Digital ground pin for device power supply.
9 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
10 GPIO3/EPWM2B/ECAP5/MCLKRB bidirectional General-purpose input/output 3 pin that can also function as Enhanced PWM2 output B, Enhanced Capture 5, or McBSP-B receive clock.
11 GPIO4/EPWM3A bidirectional General-purpose input/output 4 pin that can also function as Enhanced PWM3 output A and HRPWM channel (output).
12 GPIO5/EPWM3B/MFSRA/ECAP1 bidirectional General-purpose input/output 5 pin that can also function as Enhanced PWM3 output B, McBSP-A receive frame synch, or Enhanced Capture 1.
13 GPIO6/EPWM4A/EPWMSYNCI/EPWMSYNCO bidirectional General-purpose input/output 6 pin that can also function as Enhanced PWM4 output A, external ePWM sync pulse input, or external ePWM sync pulse output.
14 VSS power_in Digital ground pin for device power supply.
15 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
16 GPIO7/EPWM4B/MCLKRA/ECAP2 bidirectional General-purpose input/output 7 pin that can also function as Enhanced PWM4 output B, McBSP-A receive clock, or Enhanced Capture 2.
17 GPIO8/EPWM5A/CANTXB/ADCSOCAO bidirectional General-purpose input/output 8 pin that can also function as Enhanced PWM5 output A, Enhanced CAN-B transmit, or ADC start-of-conversion A (output).
18 GPIO9/EPWM5B/SCITXDB/ECAP3 bidirectional General-purpose input/output 9 pin that can also function as Enhanced PWM5 output B, SCI-B transmit data (output), or Enhanced Capture 3.
19 GPIO10/EPWM6A/CANRXB/ADCSOCBO bidirectional General-purpose input/output 10 pin that can also function as Enhanced PWM6 output A, Enhanced CAN-B receive (input), or ADC start-of-conversion B (output).
20 GPIO11/EPWM6B/SCIRXDB/ECAP4 bidirectional General-purpose input/output 11 pin that can also function as Enhanced PWM6 output B, SCI-B receive data (input), or Enhanced Capture 4.
21 GPIO12 bidirectional General-purpose input/output 12 pin that can also function as Trip Zone input 1, Enhanced CAN-B transmit (output), or McBSP-B transmit serial data (output).
22 VSS power_in Digital ground pin for device power supply.
23 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
24 GPIO13 bidirectional General-purpose input/output 13 pin that can also function as Trip Zone input 2, Enhanced CAN-B receive (input), or McBSP-B receive serial data (input).
25 GPIO14 bidirectional General-purpose input/output 14 pin that can also function as Trip Zone 3, external hold request (input), SCI-B transmit (output), or McBSP-B transmit clock.
26 GPIO15 bidirectional General-purpose input/output 15 pin that can also function as Trip Zone 4, external hold acknowledge, SCI-B receive (input), or McBSP-B transmit frame synch.
27 GPIO16/SPISIMOA/CANTXB/TZ5 bidirectional General-purpose input/output 16 pin that can also function as SPI slave in master out, Enhanced CAN-B transmit (output), or Trip Zone input 5 (input).
28 GPIO17/SPISOMIA/CANRXB/TZ6 bidirectional General-purpose input/output 17 pin that can also function as SPI slave out master in, Enhanced CAN-B receive (input), or Trip Zone input 6 (input).
29 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
30 VSS power_in Digital ground pin for device power supply.
31 VDD1A18 power_in ADC analog power pin; connect to +1.9V or +1.8V.
32 VSS1AGND power_in ADC analog ground pin.
33 VSSA2 power_in ADC analog ground pin.
34 VDDA2 power_in ADC analog power pin; connect to +3.3V.
35 ADCINA7 input ADC Group A Channel 7 analog input; 0.0V to 3.0V.
36 ADCINA6 input ADC Group A Channel 6 analog input; 0.0V to 3.0V.
37 ADCINA5 input ADC Group A Channel 5 analog input; 0.0V to 3.0V.
38 ADCINA4 input ADC Group A Channel 4 analog input; 0.0V to 3.0V.
39 ADCINA3 input ADC Group A Channel 3 analog input; 0.0V to 3.0V.
40 ADCINA2 input ADC Group A Channel 2 analog input; 0.0V to 3.0V.
41 ADCINA1 input ADC Group A Channel 1 analog input; 0.0V to 3.0V.
42 ADCINA0 input ADC Group A Channel 0 analog input; 0.0V to 3.0V.
43 ADCLO input ADC low reference input; connect to analog ground for internal reference operation.
44 VSSAIO power_in ADC analog I/O ground pin.
45 VDDAIO power_in ADC analog I/O power pin; connect to +3.3V.
46 ADCINB0 input ADC Group B Channel 0 analog input; 0.0V to 3.0V.
47 ADCINB1 input ADC Group B Channel 1 analog input; 0.0V to 3.0V.
48 ADCINB2 input ADC Group B Channel 2 analog input; 0.0V to 3.0V.
49 ADCINB3 input ADC Group B Channel 3 analog input; 0.0V to 3.0V.
50 ADCINB4 input ADC Group B Channel 4 analog input; 0.0V to 3.0V.
51 ADCINB5 input ADC Group B Channel 5 analog input; 0.0V to 3.0V.
52 ADCINB6 input ADC Group B Channel 6 analog input; 0.0V to 3.0V.
53 ADCINB7 input ADC Group B Channel 7 analog input; 0.0V to 3.0V.
54 ADCREFIN input ADC external reference input; use precision voltage source for external reference operation.
55 ADCREFM output ADC internal reference medium output; requires 2.2μF low ESR ceramic bypass capacitor to analog ground.
56 ADCREFP output ADC internal reference positive output; requires 2.2μF low ESR ceramic bypass capacitor to analog ground.
57 ADCRESEXT passive ADC external current bias resistor connection point; connect 22kΩ resistor to analog ground.
58 VSS2AGND power_in ADC analog ground pin.
59 VDD2A18 power_in ADC analog power pin; connect to +1.9V or +1.8V.
60 VSS power_in Digital ground pin for device power supply.
61 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
62 GPIO18/SPICLKA/SCITXDB/CANRXA bidirectional General-purpose input/output 18 pin that can also function as SPI-A clock, SCI-B transmit data (output), or Enhanced CAN-A receive (input).
63 GPIO19 bidirectional General-purpose input/output 19 pin that can also function as SPI-A slave transmit enable, SCI-B receive (input), or Enhanced CAN-A transmit (output).
64 GPIO20/EQEP1A/MDXA/CANTXB bidirectional General-purpose input/output 20 pin that can also function as Enhanced QEP1 input A (input), McBSP-A transmit serial data (output), or Enhanced CAN-B transmit (output).
65 GPIO21/EQEP1B/MDRA/CANRXB bidirectional General-purpose input/output 21 pin that can also function as Enhanced QEP1 input B (input), McBSP-A receive serial data (input), or Enhanced CAN-B receive (input).
66 GPIO22/EQEP1S/MCLKXA/SCITXDB bidirectional General-purpose input/output 22 pin that can also function as Enhanced QEP1 strobe, McBSP-A transmit clock, or SCI-B transmit (output).
67 GPIO23/EQEP1I/MFSXA/SCIRXDB bidirectional General-purpose input/output 23 pin that can also function as Enhanced QEP1 index, McBSP-A transmit frame synch, or SCI-B receive (input).
68 GPIO24/ECAP1/EQEP2A/MDXB bidirectional General-purpose input/output 24 pin that can also function as Enhanced Capture 1, Enhanced QEP2 input A (input), or McBSP-B transmit serial data (output).
69 GPIO25/ECAP2/EQEP2B/MDRB bidirectional General-purpose input/output 25 pin that can also function as Enhanced Capture 2, Enhanced QEP2 input B (input), or McBSP-B receive serial data (input).
70 VSS power_in Digital ground pin for device power supply.
71 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
72 GPIO26/ECAP3/EQEP2I/MCLKXB bidirectional General-purpose input/output 26 pin that can also function as Enhanced Capture 3, Enhanced QEP2 index, or McBSP-B transmit clock.
73 GPIO27/ECAP4/EQEP2S/MFSXB bidirectional General-purpose input/output 27 pin that can also function as Enhanced Capture 4, Enhanced QEP2 strobe, or McBSP-B transmit frame synch.
74 GPIO32/SDAA/EPWMSYNCI/ADCSOCAO bidirectional General-purpose input/output 32 pin that can also function as I2C data open-drain bidirectional port, Enhanced PWM external sync pulse input, or ADC start-of-conversion A (output).
75 GPIO33/SCLA/EPWMSYNCO/ADCSOCBO bidirectional General-purpose input/output 33 pin that can also function as I2C clock open-drain bidirectional port, Enhanced PWM external synch pulse output, or ADC start-of-conversion B (output).
76 TDI input JTAG test data input with internal pullup; clocked into TAP controller on rising edge of TCK.
77 TDO tri_state JTAG test data output with 8mA drive; shifted out on falling edge of TCK.
78 TRST input JTAG test reset input with internal pulldown; active high to give scan system control; must be driven low during normal operation.
79 TMS input JTAG test-mode select input with internal pullup; clocked into TAP controller on rising edge of TCK.
80 XRS bidirectional Device reset input and watchdog reset output; open-drain output with internal pullup; causes device termination and PC reset on low level.
81 TEST1 unconnected Test pin reserved for TI; must be left unconnected.
82 TEST2 unconnected Test pin reserved for TI; must be left unconnected.
83 VSS power_in Digital ground pin for device power supply.
84 VDD3VFL power_in 3.3V flash core power supply pin; connect to +3.3V at all times.
85 EMU0 bidirectional Emulator pin 0 with 8mA drive and internal pullup; used as interrupt to/from emulator system when TRST is high.
86 EMU1 bidirectional Emulator pin 1 with 8mA drive and internal pullup; used as interrupt to/from emulator system when TRST is high.
87 TCK input JTAG test clock input with internal pullup.
88 GPIO48/ECAP5/XD31 bidirectional General-purpose input/output 48 pin that can also function as Enhanced Capture 5 or External Interface Data Line 31 (tri-state).
89 GPIO49/ECAP6/XD30 bidirectional General-purpose input/output 49 pin that can also function as Enhanced Capture 6 or External Interface Data Line 30 (tri-state).
90 GPIO50/EQEP1A/XD29 bidirectional General-purpose input/output 50 pin that can also function as Enhanced QEP1 input A (input) or External Interface Data Line 29 (tri-state).
91 GPIO51/EQEP1B/XD28 bidirectional General-purpose input/output 51 pin that can also function as Enhanced QEP1 input B (input) or External Interface Data Line 28 (tri-state).
92 VSS power_in Digital ground pin for device power supply.
93 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
94 GPIO52/EQEP1S/XD27 bidirectional General-purpose input/output 52 pin that can also function as Enhanced QEP1 Strobe or External Interface Data Line 27 (tri-state).
95 GPIO53/EQEP1I/XD26 bidirectional General-purpose input/output 53 pin that can also function as Enhanced QEP1 index or External Interface Data Line 26 (tri-state).
96 GPIO54/SPISIMOA/XD25 bidirectional General-purpose input/output 54 pin that can also function as SPI-A slave in master out or External Interface Data Line 25 (tri-state).
97 GPIO55/SPISOMIA/XD24 bidirectional General-purpose input/output 55 pin that can also function as SPI-A slave out master in or External Interface Data Line 24 (tri-state).
98 GPIO56/SPICLKA/XD23 bidirectional General-purpose input/output 56 pin that can also function as SPI-A clock or External Interface Data Line 23 (tri-state).
99 GPIO57 bidirectional General-purpose input/output 57 pin that can also function as SPI-A slave transmit enable or External Interface Data Line 22 (tri-state).
100 GPIO58/MCLKRA/XD21 bidirectional General-purpose input/output 58 pin that can also function as McBSP-A receive clock or External Interface Data Line 21 (tri-state).
101 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
102 X2 output Internal oscillator output; connect across X1 and X2 with quartz crystal or ceramic resonator, or leave unconnected if not used.
103 VSS power_in Digital ground pin for device power supply.
104 X1 input Internal/external oscillator input at 1.9V or 1.8V core voltage; connect crystal/resonator across X1 and X2 or external oscillator.
105 XCLKIN input External 3.3V oscillator input; tie to GND when using crystal or 1.9V/1.8V external oscillator.
106 VSS power_in Digital ground pin for device power supply.
107 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
108 VSS power_in Digital ground pin for device power supply.
109 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
110 GPIO59/MFSRA/XD20 bidirectional General-purpose input/output 59 pin that can also function as McBSP-A receive frame synch or External Interface Data Line 20 (tri-state).
111 GPIO60/MCLKRB/XD19 bidirectional General-purpose input/output 60 pin that can also function as McBSP-B receive clock or External Interface Data Line 19 (tri-state).
112 GPIO61/MFSRB/XD18 bidirectional General-purpose input/output 61 pin that can also function as McBSP-B receive frame synch or External Interface Data Line 18 (tri-state).
113 GPIO62/SCIRXDC/XD17 bidirectional General-purpose input/output 62 pin that can also function as SCI-C receive data (input) or External Interface Data Line 17 (tri-state).
114 GPIO63/SCITXDC/XD16 bidirectional General-purpose input/output 63 pin that can also function as SCI-C transmit data (output) or External Interface Data Line 16 (tri-state).
115 GPIO64/XD15 bidirectional General-purpose input/output 64 pin that can also function as External Interface Data Line 15 (tri-state).
116 GPIO65/XD14 bidirectional General-purpose input/output 65 pin that can also function as External Interface Data Line 14 (tri-state).
117 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
118 VSS power_in Digital ground pin for device power supply.
119 GPIO66/XD13 bidirectional General-purpose input/output 66 pin that can also function as External Interface Data Line 13 (tri-state).
120 VSS power_in Digital ground pin for device power supply.
121 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
122 GPIO67/XD12 bidirectional General-purpose input/output 67 pin that can also function as External Interface Data Line 12 (tri-state).
123 GPIO68/XD11 bidirectional General-purpose input/output 68 pin that can also function as External Interface Data Line 11 (tri-state).
124 GPIO69/XD10 bidirectional General-purpose input/output 69 pin that can also function as External Interface Data Line 10 (tri-state).
125 VSS power_in Digital ground pin for device power supply.
126 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
127 GPIO70/XD9 bidirectional General-purpose input/output 70 pin that can also function as External Interface Data Line 9 (tri-state).
128 GPIO71/XD8 bidirectional General-purpose input/output 71 pin that can also function as External Interface Data Line 8 (tri-state).
129 GPIO72/XD7 bidirectional General-purpose input/output 72 pin that can also function as External Interface Data Line 7 (tri-state).
130 GPIO73/XD6 bidirectional General-purpose input/output 73 pin that can also function as External Interface Data Line 6 (tri-state).
131 GPIO74/XD5 bidirectional General-purpose input/output 74 pin that can also function as External Interface Data Line 5 (tri-state).
132 GPIO75/XD4 bidirectional General-purpose input/output 75 pin that can also function as External Interface Data Line 4 (tri-state).
133 GPIO76/XD3 bidirectional General-purpose input/output 76 pin that can also function as External Interface Data Line 3 (tri-state).
134 GPIO77/XD2 bidirectional General-purpose input/output 77 pin that can also function as External Interface Data Line 2 (tri-state).
135 GPIO78/XD1 bidirectional General-purpose input/output 78 pin that can also function as External Interface Data Line 1 (tri-state).
136 GPIO79/XD0 bidirectional General-purpose input/output 79 pin that can also function as External Interface Data Line 0 (tri-state).
137 GPIO38/XWE0 bidirectional General-purpose input/output 38 pin that can also function as External Interface Write Enable 0 (output).
138 XCLKOUT output External clock output with 8mA drive; derived from SYSCLKOUT at same, half, or quarter frequency controlled by XINTCNF2 register.
139 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
140 VSS power_in Digital ground pin for device power supply.
141 GPIO28/SCIRXDA/XZCS6 bidirectional General-purpose input/output 28 pin that can also function as SCI receive data (input) or External Interface zone 6 chip select (output).
142 GPIO34/ECAP1/XREADY bidirectional General-purpose input/output 34 pin that can also function as Enhanced Capture 1 or External Interface Ready signal input; directly connected to XINTF.
143 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
144 VSS power_in Digital ground pin for device power supply.
145 GPIO36/SCIRXDA/XZCS0 bidirectional General-purpose input/output 36 pin that can also function as SCI receive data (input) or External Interface zone 0 chip select (output).
146 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
147 VSS power_in Digital ground pin for device power supply.
148 GPIO35/SCITXDA/XR/W bidirectional General-purpose input/output 35 pin that can also function as SCI-A transmit data (output) or External Interface read, not write strobe.
149 XRD output External Interface Read Enable output signal.
150 GPIO37/ECAP2/XZCS7 bidirectional General-purpose input/output 37 pin that can also function as Enhanced Capture 2 or External Interface zone 7 chip select (output).
151 GPIO40/XA0/XWE1 bidirectional General-purpose input/output 40 pin that can also function as External Interface Address Line 0 or Write Enable 1 (output).
152 GPIO41/XA1 bidirectional General-purpose input/output 41 pin that can also function as External Interface Address Line 1 (output).
153 GPIO42/XA2 bidirectional General-purpose input/output 42 pin that can also function as External Interface Address Line 2 (output).
154 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
155 VSS power_in Digital ground pin for device power supply.
156 GPIO43/XA3 bidirectional General-purpose input/output 43 pin that can also function as External Interface Address Line 3 (output).
157 GPIO44/XA4 bidirectional General-purpose input/output 44 pin that can also function as External Interface Address Line 4 (output).
158 GPIO45/XA5 bidirectional General-purpose input/output 45 pin that can also function as External Interface Address Line 5 (output).
159 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
160 VSS power_in Digital ground pin for device power supply.
161 GPIO46/XA6 bidirectional General-purpose input/output 46 pin that can also function as External Interface Address Line 6 (output).
162 GPIO47/XA7 bidirectional General-purpose input/output 47 pin that can also function as External Interface Address Line 7 (output).
163 GPIO80/XA8 bidirectional General-purpose input/output 80 pin that can also function as External Interface Address Line 8 (output).
164 GPIO81/XA9 bidirectional General-purpose input/output 81 pin that can also function as External Interface Address Line 9 (output).
165 GPIO82/XA10 bidirectional General-purpose input/output 82 pin that can also function as External Interface Address Line 10 (output).
166 VSS power_in Digital ground pin for device power supply.
167 VDD power_in CPU and logic digital power supply pin; connect to +1.9V or +1.8V core voltage.
168 GPIO83/XA11 bidirectional General-purpose input/output 83 pin that can also function as External Interface Address Line 11 (output).
169 GPIO84/XA12 bidirectional General-purpose input/output 84 pin that can also function as External Interface Address Line 12 (output).
170 VDDIO power_in Digital I/O power supply pin; connect to +3.3V.
171 VSS power_in Digital ground pin for device power supply.
172 GPIO85/XA13 bidirectional General-purpose input/output 85 pin that can also function as External Interface Address Line 13 (output).
173 GPIO86/XA14 bidirectional General-purpose input/output 86 pin that can also function as External Interface Address Line 14 (output).
174 GPIO87/XA15 bidirectional General-purpose input/output 87 pin that can also function as External Interface Address Line 15 (output).
175 GPIO39/XA16 bidirectional General-purpose input/output 39 pin that can also function as External Interface Address Line 16 (output).
176 GPIO31/CANTXA/XA17 bidirectional General-purpose input/output 31 pin that can also function as Enhanced CAN-A transmit (output) or External Interface Address Line 17 (output).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package LQFP-176(24x24)
Category Embedded Processors & Controllers
Pins 176

CAD (KiCad official)

  • Symbol: TMS320F28335PTPQ
  • Footprint: Package_QFP:LQFP-176_24x24mm_P0.5mm
  • 3D model: LQFP-176(24x24) (KiCad packages3D, STEP)
  • 3D model files: tms320f28335ptpq-etched.step / tms320f28335ptpq-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tms320f28335ptpq.step / tms320f28335ptpq.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (203 pp, sha256 3d08df95444496ae, retrieved 2026-10-01, 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