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PMS154C-S08

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PADAUK Tech Microcontrollers (MCU/MPU/SOC), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PMS154C-S08

PADAUK Tech · Microcontrollers (MCU/MPU/SOC) · SOP-8

PMS154C-S08 from PADAUK Tech, in a SOP-8. 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 Positive power supply; operating range 1.8V to 5.5V, absolute maximum 5.5V.
2 PA7/X1 bidirectional Port A bit 7, programmable input or output with weak pull-up, or crystal oscillator X1 pin; wakeup is disabled when padier bit 7 is 0.
3 PA6/X2 bidirectional Port A bit 6, programmable input or output with weak pull-up, or crystal oscillator X2 pin; wakeup is disabled when padier bit 6 is 0.
4 PA5/PRST#/PG2PWM bidirectional External reset input, port A bit 5 as input or open-drain output only with no pull-up or pull-down resistor, or PWMG2 output.
5 PA3/TM2PWM/COM4/CIN1-/PG2PWM bidirectional Port A bit 3 with weak pull-up, Timer2 output, comparator negative input 1, COM4 for 1/2 VDD LCD bias, or PWMG2 output; disable digital input via padier bit 3 when used as analog input.
6 PA4/COM3/CIN+/CIN4-/PG1PWM bidirectional Port A bit 4 with weak pull-up, COM3 for 1/2 VDD LCD bias, comparator positive input or negative input 4, or PWMG1 output; disable digital input via padier bit 4 when used as analog input.
7 PA0/INT0/PG0PWM/CO/COM2 bidirectional Port A bit 0 with weak pull-up, external interrupt 0 on rising and falling edges, comparator output, PWMG0 output, or COM2 for 1/2 VDD LCD bias.
8 GND power_in Ground.

Key specifications

Parameter Value
Manufacturer PADAUK Tech
Package SOP-8
Category Embedded Processors & Controllers
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
VDD operating voltage VDD 1.8 5.5 V *受限于 LVR 设置 15
LVR reset tolerance LVR% -5 5 % 15
System clock fSYS (CLK=IHRC/2) fSYS 0 8 MHz VDD≧3.5V 15
System clock fSYS (CLK=IHRC/4) fSYS 0 4 MHz VDD≧2.5V 15
System clock fSYS (CLK=IHRC/8) fSYS 0 2 MHz VDD≧1.8V 15
Power-on reset voltage VPOR 1.9 2 2.1 V 15
Power-down mode current (stopsys) IPD 0.5 uA stopsys command; fSYS=0Hz, VDD=3.3V 15
Power-saving mode current (stopexe, IHRC off) IPS 5 uA stopexe command, IHRC off; VDD=3.3V 15
Input low voltage VIL 0 0.3 ×VDD 15
Input high voltage VIH 0.7 ×VDD 15
IO sink current normal (PA0,PA3,PA4,PB2,PB5,PB6) IOL 10 mA VDD=3.3V, VOL=0.33V 15
IO sink current normal (PA6,PA7,PB0,PB1,PB3,PB4,PB7) IOL 6 mA VDD=3.3V, VOL=0.33V 15
IO sink current normal (PA5) IOL 5 mA VDD=3.3V, VOL=0.33V 15
IO sink current low (PA5) IOL 5 mA low mode; VDD=3.3V, VOL=0.33V 15
IO sink current low (other IO) IOL 2 mA low mode; VDD=3.3V, VOL=0.33V 15
IO source current normal IOH -5 mA VDD=3.3V, VOH=2.97V 15
IO source current low IOH -1.6 mA low mode 15
Input voltage VIN -0.3 V 15
Pin injection current IINJ(PIN) 1 mA VDD+0.3 ≧ VIN ≧ -0.3 15
IHRC output frequency (calibrated) fIHRC 15.84 16 16.16 MHz VDD=5V, Ta=25°C 15
IHRC output frequency (calibrated) fIHRC 15.2 16.8 MHz VDD=2.0V~5.5V, -20°C<Ta<70°C 15
IHRC output frequency (calibrated) fIHRC 13.6 18.4 MHz VDD=1.8V~5.5V, -20°C<Ta<70°C 15
Interrupt pulse width tINT 30 ns VDD=3.3V 15
Data memory retention voltage VDR 1.5 V 掉电模式下 16
Reset pulse width (external) tRST 120 us @VDD=5V 15
Comparator offset voltage CPos -20 10 20 mV 16
Comparator common-mode input voltage CPcm 0 V 16
Comparator response time CPspt 100 500 ns rising and falling edge the same 16
Comparator mode change settling time CPmc 2.5 7.5 us 16
Absolute maximum supply voltage 1.8 5.5 V Max must not exceed 5.5V 16
Absolute maximum input voltage -0.3 V upper limit VDD+0.3V 16
Absolute maximum operating temperature -20 70 °C 16
Absolute maximum storage temperature -50 125 °C 16
Absolute maximum node (junction) temperature 150 °C 16
Operating current (fSYS=IHRC/16 = 1MIPS) IOP 0.3 mA fSYS=IHRC/16=1MIPS@3V 15
Operating current (fSYS=ILRC) IOP 12 uA fSYS=ILRC=70KHz@3V 15
Operating current (fSYS=EOSC 32KHz, reserved) IOP 10 uA fSYS=EOSC=32KHz@3V(保留) 15
Pull-up resistor RPH 200 KΩ VDD=3.3V 15
Comparator supply current CPcs 20 uA VDD=3.3V 16
Watchdog timeout (misc[1:0]=00, default) tWDT 8192 TILRC misc[1:0]=00 (默认) 16
Watchdog timeout (misc[1:0]=01) tWDT 16384 TILRC misc[1:0]=01 16
Watchdog timeout (misc[1:0]=10) tWDT 65536 TILRC misc[1:0]=10 16
Watchdog timeout (misc[1:0]=11) tWDT 262144 TILRC misc[1:0]=11 16
System power-on boot time (normal) tSBP 47 ms @VDD=5V 16
System power-on boot time (fast boot) tSBP 780 us 16
Fast wake-up time tWUP 45 TILRC misc.5=1 or fast boot; TIHRC is IHRC clock period 16
Normal wake-up time tWUP 3000 TILRC misc.5=0 or normal boot; TIHRC is IHRC clock period 16

CAD (KiCad official)

  • Symbol: PMS154C-S08
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: pms154c-s08-etched.step / pms154c-s08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pms154c-s08.step / pms154c-s08.glb are the bare package body.

Provenance

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

  • Datasheet: PADAUK Tech datasheet (81 pp, sha256 4c53ac8157f9d3cb, 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-sonnet-5-5 (text+vision), consensus claude-opus-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