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SC92F74A3M28U

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SOC Shenzhen SinOne Microelectronics Microcontrollers (MCU/MPU/SOC), SOP-28L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SC92F74A3M28U

SOC Shenzhen SinOne Microelectronics · Microcontrollers (MCU/MPU/SOC) · SOP-28L

SC92F74A3M28U from SOC Shenzhen SinOne Microelectronics, in a SOP-28L. 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 VDD power_in Power supply pin; the device operates from 2.4V to 5.5V, with 2.9V to 5.5V required when the system clock exceeds 12MHz.
2 P1.0 bidirectional General-purpose bidirectional I/O P1.0 with independently settable pull-up; all I/O pins have 70mA sink drive capability.
3 VSS power_in Ground reference pin.
4 P5.1/OSCI bidirectional GPIO P5.1, or external high-frequency crystal oscillator input OSCI (2 to 16MHz) when the crystal is enabled by Code Option ENXTL=1.
5 P5.0/OSCO bidirectional GPIO P5.0, or external high-frequency crystal oscillator output OSCO when the crystal is enabled by Code Option ENXTL=1.
6 P1.1/INT01/RST bidirectional GPIO P1.1, external interrupt 0 input 1, or external active reset pin RST when selected by Code Option DISRST=0.
7 P1.2/INT02/T0/RX0/tCK bidirectional GPIO P1.2, external interrupt input INT02, Timer0 external counter input T0, UART0 receive RX0, or 2-wire programming/emulation clock tCK when JTAG mode is enabled (DISJTG=0).
8 P1.3/INT03/T1/TX0/tDIO bidirectional GPIO P1.3, external interrupt input INT03, Timer1 external counter input T1, UART0 transmit TX0, or programming/emulation data tDIO when JTAG mode is enabled (DISJTG=0).
9 P1.4/INT10/AIN9 bidirectional GPIO P1.4, external interrupt input INT10, or ADC input channel AIN9.
10 P1.5/INT11/AIN8 bidirectional GPIO P1.5, external interrupt input INT11, or ADC input channel AIN8.
11 P1.6/INT12/AIN7 bidirectional GPIO P1.6, external interrupt input INT12, or ADC input channel AIN7.
12 P1.7/INT13/AIN6 bidirectional GPIO P1.7, external interrupt input INT13, or ADC input channel AIN6.
13 P2.7/PWM5/AIN5 bidirectional GPIO P2.7, PWM5 output, or ADC input channel AIN5.
14 P2.6/PWM4/AIN4 bidirectional GPIO P2.6, PWM4 output, or ADC input channel AIN4.
15 P2.5/PWM3/AIN3 bidirectional GPIO P2.5, PWM3 output, or ADC input channel AIN3.
16 P2.4/AIN2 bidirectional GPIO P2.4, or ADC input channel AIN2.
17 P2.3/AIN1 bidirectional GPIO P2.3, or ADC input channel AIN1.
18 P2.2/AIN0 bidirectional GPIO P2.2, or ADC input channel AIN0.
19 P2.1/INT25/MISO/RX1 bidirectional GPIO P2.1, external interrupt input INT25, SPI master-in/slave-out MISO, or UART1 receive RX1.
20 P2.0/INT24/MOSI/TX1/SDA bidirectional GPIO P2.0, external interrupt input INT24, SPI master-out/slave-in MOSI, UART1 transmit TX1, or TWI data SDA.
21 P0.7/INT23/T2 bidirectional GPIO P0.7, external interrupt input INT23, or Timer2 external counter input T2.
22 P0.6/INT22/T2EX bidirectional GPIO P0.6, external interrupt input INT22, or Timer2 external capture/reload input T2EX.
23 P0.5/INT21/SCK bidirectional GPIO P0.5, external interrupt input INT21, or SPI/TWI serial clock SCK.
24 P0.4/INT20/COM4 bidirectional GPIO P0.4, external interrupt input INT20, or software LCD common output COM4 (outputs 1/2 VDD when selected).
25 P0.3/COM3 bidirectional GPIO P0.3, or software LCD common output COM3 (outputs 1/2 VDD when selected).
26 P0.2/PWM2/COM2 bidirectional GPIO P0.2, PWM2 output, or software LCD common output COM2 (outputs 1/2 VDD when selected).
27 P0.1/PWM1/COM1 bidirectional GPIO P0.1, PWM1 output, or software LCD common output COM1 (outputs 1/2 VDD when selected).
28 P0.0/PWM0/COM0 bidirectional GPIO P0.0, PWM0 output, or software LCD common output COM0 (outputs 1/2 VDD when selected).

Key specifications

Parameter Value
Manufacturer SOC Shenzhen SinOne Microelectronics
Package SOP-28L
Category Embedded Processors & Controllers
Pins 28

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
直流供电电压 DC supply voltage VDD/VSS -0.3 5.5 V 82
任一管脚输入/输出电压 Voltage on any pin Voltage ON any Pin -0.3 V 82
工作环境温度 Operating ambient temperature TA -40 85 ℃ 82
储存温度 Storage temperature TSTG -55 125 ℃ 82
工作电压 Operating voltage VDD 2.9 5.5 V 系统时钟频率 >12MHz 82
工作电压 Operating voltage VDD 2.4 5.5 V 系统时钟频率 ≤12MHz 82
工作环境温度 Operating ambient temperature TA -40 85 ℃ 82
待机电流 Power Down mode standby current Ipd1 0.7 1 μA VDD=5V, TA=+25℃; Power Down 模式 82
Base Timer 工作电流 Base Timer operating current IBTM 6 7.8 μA VDD=5V, TA=+25℃; BTMFS[3:0]=1000, 每 4.0 秒产生一个中断 82
WDT 电流 WDT current IWDT 4.5 5.4 μA VDD=5V, TA=+25℃; WDTCKS[2:0]=000, WDT 溢出时间 500ms 82
输入低电压 Input low voltage VIL1 -0.3 V VDD=5V, TA=+25℃ 82
输入低电压 Input low voltage (Schmitt, RST/tCK/SCK) VIL2 -0.2 V VDD=5V, TA=+25℃; 施密特触发输入: RST/tCK/SCK 82
内部基准 2.4V 电压输出 Internal 2.4V reference output VDD24 2.38 2.4 2.42 V VDD=5V; TA=-40~85℃ 83
待机电流 Power Down mode standby current Ipd2 0.6 0.9 uA VDD=3.3V, TA=+25℃; Power Down 模式 83
输入低电压 Input low voltage VIL3 -0.3 V VDD=3.3V, TA=+25℃ 83
输入低电压 Input low voltage (Schmitt, RST/tCK/SCK) VIL4 -0.2 V VDD=3.3V, TA=+25℃; 施密特触发输入: RST/tCK/SCK 83
Power On Reset 时间 Power on reset time TPOR 12 18 ms 83
Power Down 模式唤醒时间 Power down wake-up time TPDW 65 130 μs 83
复位脉冲宽度 Reset pulse width TReset 18 μs 低电平有效 84
RC 振荡稳定性 RC oscillator stability fHRC 15.84 16 16.16 MHz VDD=2.95.5V, TA=-1085℃ 84
ADC 供电电压 ADC supply voltage VAD 2.4 5 5.5 V TA=25℃ 84
ADC 输入电阻 ADC input resistance RAIN 1 M VIN=5V 84
ADC 转换电流 1 ADC conversion current 1 IADC1 0.9 3.2 mA VDD=5V; ADC 模块打开 84
ADC 转换电流 2 ADC conversion current 2 IADC2 0.7 2.5 mA VDD=3.3V; ADC 模块打开 84
微分非线性误差 Differential nonlinearity DNL -1 1 LSB VDD=5V, VREF=5V 84
积分非线性误差 Integral nonlinearity INL -1 1 LSB 84
偏移量误差 Offset error EZ -4 4 LSB 84
总绝对误差 Total absolute error EAD -4 4 LSB 84
工作电流 Operating current Iop1 7.1 mA VDD=5V, TA=+25℃; fSYS =16MHz 82
工作电流 Operating current Iop2 5.4 mA VDD=5V, TA=+25℃; fSYS =8MHz 82
工作电流 Operating current Iop3 4.6 mA VDD=5V, TA=+25℃; fSYS =4MHz 82
工作电流 Operating current Iop4 4 mA VDD=5V, TA=+25℃; fSYS =1.33MHz 82
待机电流 IDLE mode standby current IIDL1 7 mA VDD=5V, TA=+25℃ 82
输出低电流 Output low current IOL1 42 mA VDD=5V, TA=+25℃; VPin=0.4V 82
输出低电流 Output low current IOL2 73 mA VDD=5V, TA=+25℃; VPin=0.8V 82
输出高电流 P1/P5 Output high current IOH1 17 mA VDD=5V, TA=+25℃; VPin=4.3V 82
输出高电流 P1/P5 Output high current IOH2 8 mA VDD=5V, TA=+25℃; VPin=4.7V 82
输出高电流 P0/P2 Output high current IOH3 17 mA VDD=5V, TA=+25℃; VPin=4.3V; Pxyz=0, IOH等级 0 82
输出高电流 P0/P2 Output high current IOH3 9.7 mA VDD=5V, TA=+25℃; VPin=4.3V; Pxyz=1, IOH等级 1 82
输出高电流 P0/P2 Output high current IOH3 4.9 mA VDD=5V, TA=+25℃; VPin=4.3V; Pxyz=2, IOH等级 2 83
输出高电流 P0/P2 Output high current IOH3 1.6 mA VDD=5V, TA=+25℃; VPin=4.3V; Pxyz=3, IOH等级 3 83
输出高电流 P0/P2 Output high current IOH4 7.9 mA VDD=5V, TA=+25℃; VPin=4.7V; Pxyz=0, IOH等级 0 83
输出高电流 P0/P2 Output high current IOH4 4.4 mA VDD=5V, TA=+25℃; VPin=4.7V; Pxyz=1, IOH等级 1 83
输出高电流 P0/P2 Output high current IOH4 2.1 mA VDD=5V, TA=+25℃; VPin=4.7V; Pxyz=2, IOH等级 2 83
输出高电流 P0/P2 Output high current IOH4 0.7 mA VDD=5V, TA=+25℃; VPin=4.7V; Pxyz=3, IOH等级 3 83
上拉电阻 Pull-up resistance RPH1 33 k VDD=5V, TA=+25℃ 83
工作电流 Operating current Iop5 6.1 mA VDD=3.3V, TA=+25℃; fSYS =16MHz 83
工作电流 Operating current Iop6 4.8 mA VDD=3.3V, TA=+25℃; fSYS =8MHz 83
工作电流 Operating current Iop7 4.1 mA VDD=3.3V, TA=+25℃; fSYS =4MHz 83
工作电流 Operating current Iop8 3.6 mA VDD=3.3V, TA=+25℃; fSYS =1.33MHz 83
待机电流 IDLE mode standby current IIDL2 5.1 mA VDD=3.3V, TA=+25℃ 83
输出低电流 Output low current IOL3 32 mA VDD=3.3V, TA=+25℃; Vpin=0.4V 83
输出低电流 Output low current IOL4 52 mA VDD=3.3V, TA=+25℃; Vpin=0.8V 83
输出高电流 Output high current IOH5 6 mA VDD=3.3V, TA=+25℃; Vpin=3.0V 83
上拉电阻 Pull-up resistance RPH2 56 k VDD=3.3V, TA=+25℃ 83
外接高频振荡器起振时间 External HF oscillator start-up time Tosc1 9 ms 外接 16MHz 晶振 83
外接高频振荡器起振时间 External HF oscillator start-up time Tosc2 17 ms 外接 8MHz 晶振 83
ADC 转换时间 1 ADC conversion time 1 TADC1 10 μs ADC Clock = 2.67MHz; ADC 采样周期 = 6 84
ADC 转换时间 2 ADC conversion time 2 TADC2 20 μs ADC Clock = 1.33MHz; ADC 采样周期 = 6 84

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing PBT BTM Base timer BTMIF EBTM IPBTM 004BH 10 9 H/W Auto 能 30

CAD (KiCad official)

  • Symbol: SC92F74A3M28U
  • Footprint: Package_SO:SOP-28_8.4x18.16mm_P1.27mm
  • 3D model: SOP-28L (KiCad packages3D, STEP)
  • 3D model files: sc92f74a3m28u-etched.step / sc92f74a3m28u-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sc92f74a3m28u.step / sc92f74a3m28u.glb are the bare package body.

Provenance

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

  • Datasheet: SOC Shenzhen SinOne Microelectronics datasheet (91 pp, sha256 1ccc527c23044a93, retrieved 2026-10-20, 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