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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℃ |
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℃ |
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℃ |
123 | |
| WDT built-in watchdog clock | 29 | 32 | 35 | KHz | 25℃,5V | 123 | |
| WDT built-in watchdog clock | 26 | 32 | 38 | KHz | -40℃ |
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);csu32m11-sop16.step/csu32m11-sop16.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).
# 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℃, 2.35V~5.5V | 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℃, 2.35V~5.5V | 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℃, 2.35V~5.5V | 123 |
| WDT built-in watchdog clock | | 29 | 32 | 35 | KHz | 25℃,5V | 123 |
| WDT built-in watchdog clock | | 26 | 32 | 38 | KHz | -40℃~85℃, 2.35V~5.5V | 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](docs/csu32m11-sop16-datasheet.pdf) (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](docs/csu32m11-sop16-datasheet.pdf)