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SC95F8522X20U

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SOC(Shenzhen SinOne Microelectronics) Microcontroller Units (MCUs/MPUs/SOCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SC95F8522X20U

SOC(Shenzhen SinOne Microelectronics) · Microcontroller Units (MCUs/MPUs/SOCs) · TSSOP-20

SC95F8522X20U from SOC(Shenzhen SinOne Microelectronics), 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 VDD power_in Power supply input; operating voltage is 2.0V to 5.5V and the absolute maximum is -0.3V to 5.5V.
2 P1.0/CMOD bidirectional General-purpose I/O P1.0; also the CMOD touch key external capacitor connection.
3 VSS power_in Ground reference for the device.
4 P1.1/INT01/TK22/RST bidirectional General-purpose I/O P1.1; INT01 external interrupt 0 input, TK22 touch channel 22, and RST reset pin when selected by the DISRST Code Option.
5 P1.2/INT02/T0/RX0/TK21/tCK bidirectional General-purpose I/O P1.2; INT02 interrupt input, T0 counter input, RX0 UART0 receive, TK21 touch channel, and tCK programming/emulation clock, with TK21 avoided when TK debug is used.
6 P1.3/INT03/T1/TX0/TK20/tDIO bidirectional General-purpose I/O P1.3; INT03 interrupt input, T1 counter input, TX0 UART0 transmit, TK20 touch channel, and tDIO programming/emulation data line, with TK20 avoided when TK debug is used.
7 P1.4/INT10/USRX2/AIN9/TK19 bidirectional General-purpose I/O P1.4; INT10 interrupt input, USCI2 MISO/RX, ADC input channel 9, and TK19 touch channel.
8 P1.5/INT11/USTX2/AIN8/TK18 bidirectional General-purpose I/O P1.5; INT11 interrupt input, USCI2 MOSI/SDA/TX, ADC input channel 8, and TK18 touch channel.
9 P2.7/PWM7/AIN5/TK15 bidirectional General-purpose I/O P2.7; PWM7 output, ADC input channel 5, and TK15 touch channel.
10 P2.6/USCK2/PWM6/AIN4/TK14 bidirectional General-purpose I/O P2.6; USCI2 SCK clock, PWM6 output, ADC input channel 4, and TK14 touch channel.
11 P2.5/T4/PWM5/AIN3/TK13 bidirectional General-purpose I/O P2.5; T4 counter input, PWM5 output, ADC input channel 3, and TK13 touch channel.
12 P2.4/T4EX/PWM4/AIN2/TK12 bidirectional General-purpose I/O P2.4; T4EX timer 4 external capture input, PWM4 output, ADC input channel 2, and TK12 touch channel.
13 P2.1/INT25/USRX0/TK9 bidirectional General-purpose I/O P2.1; INT25 interrupt input, USCI0 MISO/RX, and TK9 touch channel.
14 P2.0/INT24/USTX0/TK8 bidirectional General-purpose I/O P2.0; INT24 interrupt input, USCI0 MOSI/SDA/TX/SC_DAT, and TK8 touch channel.
15 P0.5/INT21/USCK0/TK5 bidirectional General-purpose I/O P0.5; INT21 interrupt input, USCI0 SCK/SC_CLK, and TK5 touch channel.
16 P0.4/INT20/USCK1/FLT/TK4 bidirectional General-purpose I/O P0.4; INT20 interrupt input, USCI1 SCK, FLT PWM fault detection input, and TK4 touch channel.
17 P0.3/USTX1/PWM3/TK3 bidirectional General-purpose I/O P0.3; USCI1 MOSI/SDA/TX, PWM3 output, and TK3 touch channel.
18 P0.2/USRX1/PWM2/TK2 bidirectional General-purpose I/O P0.2; USCI1 MISO/RX, PWM2 output, and TK2 touch channel.
19 P0.1/T3/PWM1/TK1 bidirectional General-purpose I/O P0.1; T3 counter input, PWM1 output, and TK1 touch channel.
20 P0.0/T3EX/PWM0/TK0 bidirectional General-purpose I/O P0.0; T3EX timer 3 external capture input, PWM0 output, and TK0 touch channel.

Key specifications

Parameter Value
Manufacturer SOC(Shenzhen SinOne Microelectronics)
Package TSSOP-20
Category Single Chip Microcomputer/Microcontroller
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
直流供电电压 VDD/VSS -0.3 5.5 V 124
任一管脚输入/输出电压 Voltage ON any Pin -0.3 V 124
工作环境温度 TA -40 105 ℃ 124
储存温度 TSTG -55 125 ℃ 124
流过 VDD 的电流值 IVDD 200 mA TA = +25℃ 124
流过 VSS 的电流值 IVSS 200 mA TA = +25℃ 124
工作电压 VDD 2 5.5 V 系统时钟频率 32MHz 124
工作环境温度 TA -40 105 ℃ 124
擦写次数 NEND 100000 Cycles 124
数据保存时间 TDR 100 Years TA = +25℃ 124
LVR 门限电压 4.3V VLVR1 4.22 4.3 4.38 V LVRS[1:0] = 11 124
LVR 门限电压 3.7V VLVR2 3.62 3.7 3.77 V LVRS[1:0] = 10 124
LVR 门限电压 2.9V VLVR3 2.84 2.9 2.95 V LVRS[1:0] = 01 124
LVR 门限电压 1.9V VLVR4 1.86 1.9 1.93 V LVRS[1:0] = 00 124
待机电流（Power Down 模式） Ipd1 4 8 μA 125
Base Timer 工作电流 IBTM 6 10 μA BTMFS[3:0]=1000, 每 4.0 秒产生一个中断 125
WDT 电流 IWDT 6 10 μA WDTCKS[2:0]=000, WDT 溢出时间 500ms 125
Touch key 工作电流（高可靠） ITK1 0.4 0.6 mA 125
Touch key 工作电流（高灵敏度） ITK2 0.8 1.2 mA 125
内部基准 2.048V 电压输出 VREF1 2.028 2.048 2.068 V 125
内部基准 1.024V 电压输出 VREF2 1.014 1.024 1.034 V 125
待机电流（Power Down 模式） Ipd2 4 8 uA 126
Touch key 工作电流（高可靠） ITK3 0.3 0.5 mA 126
Touch key 工作电流（高灵敏度） ITK4 0.7 1 mA 126
内部基准 2.048V 电压输出 VREF3 2.028 2.048 2.068 V 126
内部基准 1.024V 电压输出 VREF4 1.014 1.024 1.034 V 126
外接 32.768kHz 振荡器起振时间 TOSC 1 s 外接 32.768kHz 晶振 127
复位脉冲宽度 TReset 18 μs 低电平有效 127
供电电压 1 VAD1 2.7 5 5.5 V Vref = 2.048V 127
供电电压 2 VAD2 2.4 5 5.5 V Vref = 1.024V 或 Vref = VDD 127
ADC 转换电流 1 IADC1 2 mA ADC 模块打开 VDD=5V 127
ADC 转换电流 2 IADC2 1.8 mA ADC 模块打开 VDD=3.3V 127
微分非线性误差 DNL -3 3 LSB VDD=5V VREF=5V 127
积分非线性误差 INL -3 3 LSB 127
ADC 转换时间 1 TADC1 1.1 1.4 μs fSYS=32MHz LOWSP[2:0] = 100 127
ADC 转换时间 2 TADC2 1.2 1.5 μs fSYS=32MHz LOWSP[2:0] = 101 127
ADC 转换时间 3 TADC3 1.5 1.9 μs fSYS=32MHz LOWSP[2:0] = 110 127
ADC 转换时间 4 TADC4 2 2.6 μs fSYS=32MHz LOWSP[2:0] = 111 127

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 49

CAD (KiCad official)

  • Symbol: SC95F8522X20U
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: sc95f8522x20u-etched.step / sc95f8522x20u-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sc95f8522x20u.step / sc95f8522x20u.glb are the bare package body.

Provenance

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

  • Datasheet: SOC(Shenzhen SinOne Microelectronics) datasheet (134 pp, sha256 6d31206c8468b842, 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