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CSU8RP3216-TS

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CHIPSEA Other Processors and Microcontrollers (MCUs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CSU8RP3216-TS

CHIPSEA · Other Processors and Microcontrollers (MCUs) · TSSOP-20

CSU8RP3216-TS from CHIPSEA, in a TSSOP-20. 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 VSS power_in Ground.
2 PT1.1/INT1/XIN/RI/TI bidirectional I/O with open-drain output option; external interrupt 1 input with wake-up, external crystal input, UART receive and UART transmit.
3 PT1.2/INT1/XOUT/RI/TI bidirectional I/O; external interrupt 1 input with wake-up, external crystal output, UART receive and UART transmit.
4 PT1.3/INT1/RST/VPP input Input; external interrupt 1 input with wake-up, reset input (active low) and programming voltage.
5 PT1.4/INT1/PWM2/BZ2/T4/PDA bidirectional I/O; external interrupt 1 input with wake-up, PWM2 output, buzzer 2 output, timer/counter 4 external input and programming data line.
6 PT1.5/INT1/PWM3/BZ3/PCL bidirectional I/O; external interrupt 1 input with wake-up, PWM3 output, buzzer 3 output and programming clock line.
7 PT1.6/INT1/PWM4/BZ4 bidirectional I/O; external interrupt 1 input with wake-up, PWM4 output and buzzer 4 output.
8 PT1.7/INT1 bidirectional I/O; external interrupt 1 input with wake-up.
9 PT5.2 bidirectional General-purpose I/O.
10 PT5.1 bidirectional I/O with open-drain output option.
11 PT5.0/AIN8/PWM2 bidirectional I/O with open-drain output option; ADC input 8 and PWM2 output.
12 PT3.7/AIN7 bidirectional I/O; ADC input 7.
13 PT3.6/AIN6/PWM4/PWM3H bidirectional I/O (pull-down on by default) with open-drain output option; ADC input 6, PWM4 output and PWM3H output.
14 PT3.5/AIN5/PWM3/PWM3L bidirectional I/O with open-drain output option; ADC input 5, PWM3 output and PWM3L output.
15 PT3.4/AIN4/RI/TI bidirectional I/O (pull-down on by default); ADC input 4, UART receive and UART transmit.
16 PT3.3/AIN3/CO/RI/TI bidirectional I/O; ADC input 3, comparator output, UART receive and UART transmit.
17 PT3.2/AIN2/C0N/VREF bidirectional I/O; ADC input 2, comparator negative input and ADC reference voltage input.
18 PT3.1/AIN1/C0P/INT1/T3 bidirectional I/O; ADC input 1, comparator positive input, INT1 input with wake-up and timer/counter 3 external input.
19 PT3.0/AIN0/VREF/INT0/T2 bidirectional I/O; ADC input 0, ADC reference voltage input/internal reference voltage output, INT0 input with wake-up and timer/counter 2 external input.
20 VDD power_in Power supply; operating range 2.2V to 5.5V at 25C, absolute maximum -0.3 to 6.0V.

Key specifications

Parameter Value
Manufacturer CHIPSEA
Package TSSOP-20
Category Embedded Processors & Controllers
Pins 20

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VDD -0.3 6 V 112
Operating temperature -40 85 ºC 112
Storage temperature -55 150 ºC 112
Soldering temperature 220 ºC 10 seconds 112
Operating voltage VDD 2.2 5 5.5 V 25 ºC 112
Operating voltage VDD 2.3 5 5.5 V -40 ºC ~ +85 ºC 112
Digital input high level (VTHP30=01) VIH3 0.7 V PT3.0 113
Digital input low level (VTHP30=01) VIL3 0.7 V PT3.0, <0.7 113
Pull-up current IPU 50 uA PT1,PT3,PT5; Vin = 0 113
Pull-up resistance RPU 100 KΩ PT1,PT3,PT5; VDD=5V 113
Pull-down resistance PT1.3 RPD 500 KΩ PT1.3; PDP12=1; VDD=5V 113
Pull-down resistance PT3.1 RPD 1 KΩ PT3.1; PDP12=1; VDD=5V 113
Pull-down resistance PT3.4 RPD 10 KΩ PT3.4; PDP12=1; VDD=5V 113
Pull-down resistance PT3.6 RPD 10 KΩ PT3.6; PDP12=1; VDD=5V 113

CAD (KiCad official)

  • Symbol: CSU8RP3216-TS
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: csu8rp3216-ts-etched.step / csu8rp3216-ts-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); csu8rp3216-ts.step / csu8rp3216-ts.glb are the bare package body.

Provenance

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

  • Datasheet: CHIPSEA datasheet (132 pp, sha256 844b3c75b4dff4b2, retrieved 2026-10-26, 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-sonnet-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