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RM1201ASO8A

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Realmagic Microcontroller Units (MCUs/MPUs/SOCs), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RM1201ASO8A

Realmagic · Microcontroller Units (MCUs/MPUs/SOCs) · SOP-8

RM1201ASO8A from Realmagic, 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 PA3/RSTN/VPP/[PWM1] bidirectional PORTA I/O with programmable pull-up/down and change interrupt (true open-drain when output), also active-low hardware reset RSTN with configurable internal pull-up, VPP programming voltage, and open-drain PWM1 output needing an external pull-up.
2 PA4/TK3/[PWM0] bidirectional PORTA I/O with programmable pull-up/down and change interrupt, also touch key channel 3 input and PWM0 output.
3 VDD power_in Power supply, 1.8 V to 5.5 V (2.5 V to 5.5 V at system frequency up to 4 MHz).
4 VSS power_in Ground.
5 PA0/PCL/TK0 bidirectional PORTA I/O with programmable pull-up/down and change interrupt, also serial programming/debug clock input PCL and touch key channel 0 input.
6 PA1/PDA/TK1/PWM0 bidirectional PORTA I/O with programmable pull-up/down and change interrupt, also serial programming/debug data I/O PDA, touch key channel 1 input and PWM0 output.
7 PA2/TK2/PWM1/T0 bidirectional PORTA I/O with programmable pull-up/down and change interrupt, also touch key channel 2 input, PWM1 output and Timer0 external clock input.
8 PA5/[TK2] bidirectional PORTA I/O with programmable pull-up/down and change interrupt, also touch key channel 2 input (alternate mapping).

Key specifications

Parameter Value
Manufacturer Realmagic
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
Operating voltage (system freq <= 2MHz) VDD 1.8 5.5 V 系统频率 <= 2MHz 12
Operating voltage (system freq <= 4MHz) VDD 2.5 5.5 V 系统频率 <= 4MHz 12
IO input high VIH 0.7 V VDD = 1.8 to 5.5V (min 0.7VDD, max VDD) 12
IO input low VIL 0.3 V VDD= 1.8 to5.5V (max 0.3VDD) 12
IO high leakage current ILIH 1 uA 所有输入口 VIO = VDD 12
IO low leakage current ILIL 1 uA 所有输入口 VIO = 0V 12
Calibrated HIRC frequency accuracy FHIRC -1 1 % TA = 25 ℃, VDD = 5V 13
Calibrated HIRC frequency accuracy FHIRC -3 3 % TA =-4085℃, VDD=2.5V5.5V 13
Calibrated LIRC frequency accuracy FLIRC -10 10 % TA = 25 ℃, VDD =2.5V~5.5V 13
Calibrated LIRC frequency accuracy FLIRC -40 40 % TA =-4085℃, VDD=2.5V5.5V 13
Operating temperature TON -40 85 ℃ 11
Storage temperature TOFF -40 125 ℃ 11
Supply voltage VDD -0.3 5.5 V 11
I/O input voltage VI -0.3 V 所有 I/O 口; max VDD + 0.3 11
I/O output voltage VO -0.3 V 所有输出口; max VDD + 0.3 11
I/O output current (single) IOH 25 mA 单个 I/O 口工作时 11
I/O output current (all) IOH 100 mA 所有 I/O 口工作时 11
I/O input current (single) IOL 25 mA 单个 I/O 口工作时 11
I/O input current (all) IOL 100 mA 所有 I/O 口工作时 11
IO source current PA0~PA2 IOH1 18 mA VDD = 5V,VIO=0.9VDD 12
IO sink current PA0~PA5 IOL 40 mA VDD =5V,VIO=0.1VDD 12
IO pull-up resistance PA0~PA2,PA4,PA5 RPU 22 kΩ VDD =5V,VIO = 0V 12
IO pull-up resistance PA3 RPU1 50 kΩ VDD =5V,VIO = 0V 12
IO pull-down resistance RPD 5 kΩ 所有 IO VDD =5V,VIO = 0V 12
Operating current IDD1 1.3 mA CPUCLK=4MHz VDD=5V 12
Sleep current IDD3 0.8 uA VDD = 3.3V (禁止 BOR) 12

CAD (KiCad official)

  • Symbol: RM1201ASO8A
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: rm1201aso8a-etched.step / rm1201aso8a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rm1201aso8a.step / rm1201aso8a.glb are the bare package body.

Provenance

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

  • Datasheet: Realmagic datasheet (20 pp, sha256 2c80a7287dadbb0e, retrieved 2026-10-26, 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), 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