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CSU32M11-SOP16

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CHIPSEA Microcontrollers (MCU/MPU/SOC), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CSU32M11-SOP16

CHIPSEA · Microcontrollers (MCU/MPU/SOC) · SOP-16

CSU32M11-SOP16 from CHIPSEA, in a SOP-16. 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 pin (地) for the device.
2 P1.5/INT1/PWM2/SWD/PCL bidirectional I/O with external interrupt 1 input and wake-up function, PWM2 output, ICD debug communication port, and programming clock port.
3 P1.4/INT1/PWM2/PDA/COM0 bidirectional I/O with external interrupt 1 input and wake-up function, PWM2 output, programming data input port, and COM port.
4 P1.3/RST/INT1/VPP input Pure open-drain I/O that serves as active-low reset input, external interrupt 1 input with wake-up function, and programming voltage pin.
5 P5.1/BZ3/PWM3/PWM3H1/COM1 bidirectional I/O with open-drain output, buzzer 3 output, PWM3 output, complementary PWM3H1 output, and COM port.
6 P5.0/BZ2/PWM2/PWM3L1/COM2 bidirectional I/O with open-drain output, buzzer 2 output, PWM2 output, complementary PWM3L1 output, and COM port.
7 P1.6/INT1/COM3 bidirectional I/O with external interrupt 1 input and COM port.
8 P1.1/INT1/T3/COM4 bidirectional I/O with open-drain output, external interrupt 1 input with wake-up function, timer/counter 3 external input, and COM port.
9 P1.0/AIN6/INT0/T2/PWM3H2 bidirectional I/O with ADC input channel 6, external interrupt 0 input with wake-up function, timer/counter 2 external input, and complementary PWM3H2 output.
10 P3.5/AIN5/PWM3/PWM3L2 bidirectional I/O with ADC input channel 5, PWM3 output, and complementary PWM3L2 output.
11 P3.0/INT1/AIN0/VREF bidirectional I/O with external interrupt 1 input and wake-up function, ADC input channel 0, and ADC reference voltage input.
12 P3.1/INT1/AIN1/C0/PWM2 bidirectional I/O with external interrupt 1 input and wake-up function, ADC input channel 1, comparator result output, and PWM2 output.
13 P3.2/INT1/CCS/AIN2 bidirectional I/O with external interrupt 1 input and wake-up function, 50mA constant current source output, and ADC input channel 2.
14 P3.3/AIN3/C0N/INT1 bidirectional I/O with ADC input channel 3, comparator negative input, external interrupt 1 input with wake-up function, and timer/counter 3 external input.
15 P3.4/AIN4/C0P/INT1 bidirectional I/O with ADC input channel 4, comparator positive input, external interrupt 1 input with wake-up function, and timer/counter 2 external input.
16 VDD power_in Power supply pin.

Key specifications

Parameter Value
Manufacturer CHIPSEA
Package SOP-16
Category Embedded Processors & Controllers
Pins 16

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 absolute maximum VDD -0.3 6 V 122
Pin input voltage -0.3 V upper limit printed as VDD+0.3 V 122
Operating temperature -40 85 ºC 122
Storage temperature -55 150 ºC 122
Operating voltage VDD VDD 2.2 5 5.5 V 25ºC 122
Operating voltage VDD VDD 2.35 5 5.5 V -40ºC~85ºC 122
ADC operating voltage VDD VDD 2.6 5 5.5 V 25ºC 123
ADC operating voltage VDD VDD 2.7 5 5.5 V -40ºC~+85ºC 123
ADC analog input range AIN0~AIN5 AIN0~AIN5 0 V max is VREF, controlled by register VREFS[1:0] 123
LVD reset voltage 2.0V power-up/power-down reset 1.6 2 2.2 V 2.0V power-up/power-down reset point; -40~85ºC 123
LVD reset voltage 2.4V power-up/power-down reset 2.2 2.4 2.8 V 2.4V power-up/power-down reset point; 25ºC 123
LVD reset voltage 2.4V power-up/power-down reset 2 2.4 3 V 2.4V power-up/power-down reset point; -40~85ºC 123
LVD reset voltage 3.6V power-up/power-down reset 3.3 3.6 3.9 V 3.6V power-up/power-down reset point; 25ºC 123
LVD reset voltage 3.6V power-up/power-down reset 3 3.6 4.2 V 3.6V power-up/power-down reset point; -40~85ºC 123
Internal 16MHz RC clock frequency 15.52 16 16.48 MHz -40℃85℃, 2.35V5.5V 123
Internal 32MHz RC clock frequency 31.68 32 32.32 MHz 25℃，5V 123
Internal 32MHz RC clock frequency 31.04 32 32.96 MHz -40℃85℃, 2.35V5.5V 123
Internal 8MHz RC clock frequency 7.92 8 8.08 MHz 25℃，5V 123
Internal 8MHz RC clock frequency 7.76 8 8.24 MHz -40℃85℃, 2.35V5.5V 123
WDT built-in watchdog clock 29 32 35 KHz 25℃，5V 123
WDT built-in watchdog clock 26 32 38 KHz -40℃85℃, 2.35V5.5V 123

CAD (KiCad official)

  • Symbol: CSU32M11-SOP16
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: csu32m11-sop16-etched.step / csu32m11-sop16-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); csu32m11-sop16.step / csu32m11-sop16.glb are the bare package body.

Provenance

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

  • Datasheet: CHIPSEA datasheet (140 pp, sha256 c7ad042694abe414, retrieved 2026-10-27, 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