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RM1201ASO8D

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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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RM1201ASO8D

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

RM1201ASO8D 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 PA4/TK3/[PWM0] bidirectional PORTA I/O with programmable pull-up/pull-down and level-change interrupt, also touch key channel 3 input (TK3) and PWM0 output (alternate mapping); PA4 is a high-drive port that can drive an LED directly.
2 PA5/[TK2] bidirectional PORTA I/O with programmable pull-up/pull-down and level-change interrupt, also touch key channel 2 input (alternate TK2 mapping); PA5 is a high-drive port that can drive an LED directly.
3 VDD power_in Power supply, 1.8 V to 5.5 V (1.8 V min at system clock <= 2 MHz, 2.5 V min at <= 4 MHz).
4 VSS power_in Ground.
5 PA0/PCL/TK0 bidirectional PORTA I/O with programmable pull-up/pull-down and level-change interrupt, also serial programming/debug clock input (PCL) and touch key channel 0 input (TK0).
6 PA3/RSTN/VPP/[PWM1] bidirectional PORTA I/O (true open-drain when set as output), also active-low hardware reset input (RSTN, configurable internal pull-up), programming voltage (VPP) and open-drain PWM1 output needing an external pull-up resistor.
7 PA1/PDA/TK1/PWM0 bidirectional PORTA I/O with programmable pull-up/pull-down and level-change interrupt, also serial programming/debug data I/O (PDA), touch key channel 1 input (TK1) and PWM0 output.
8 PA2/TK2/PWM1/T0 bidirectional PORTA I/O with programmable pull-up/pull-down and level-change interrupt, also touch key channel 2 input (TK2), PWM1 output and Timer0 external input clock (T0).

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
工作温度 (Operating temperature) TON -40 85 ℃ 11
储藏温度 (Storage temperature) TOFF -40 125 ℃ 11
工作电压 (Supply voltage) VDD -0.3 5.5 V 11
I/O 口输出电流 (single I/O) IOH 25 mA 单个 I/O 口工作时 11
I/O 口输出电流 (all I/O) IOH 100 mA 所有 I/O 口工作时 11
I/O 口输入电流 (single I/O) IOL 25 mA 单个 I/O 口工作时 11
I/O 口输入电流 (all I/O) IOL 100 mA 所有 I/O 口工作时 11
工作电压 (system freq <= 2MHz) VDD 1.8 5.5 V 系统频率 <= 2MHz 12
工作电压 (system freq <= 4MHz) VDD 2.5 5.5 V 系统频率 <= 4MHz 12
IO 输入高 VIH 0.7 V VDD = 1.8 to 5.5V; min printed as 0.7VDD, max VDD 12
IO 输入低 VIL 0.3 V VDD= 1.8 to 5.5V; max printed as 0.3VDD 12
IO 高漏电流 ILIH 1 uA 所有输入口 VIO = VDD 12
IO 低漏电流 ILIL 1 uA 所有输入口 VIO = 0V 12
校准后内部时钟频率 (HIRC, 25℃) FHIRC -1 1 % TA = 25 ℃, VDD = 5V 13
校准后内部时钟频率 (HIRC, full temp) FHIRC -3 3 % TA =-4085℃, VDD=2.5V5.5V 13
校准后内部时钟频率 (LIRC, 25℃) FLIRC -10 10 % TA = 25 ℃, VDD =2.5V~5.5V 13
校准后内部时钟频率 (LIRC, full temp) FLIRC -40 40 % TA =-4085℃, VDD=2.5V5.5V 13
中心频率 HIRC FHIRC 8 MHz 13
中心频率 LIRC FLIRC 32 KHz 13

CAD (KiCad official)

  • Symbol: RM1201ASO8D
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: rm1201aso8d-etched.step / rm1201aso8d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rm1201aso8d.step / rm1201aso8d.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 2026-10-24, 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