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RM1201AST26

Public Made by Adom

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Realmagic Microcontrollers (MCU/MPU/SOC), SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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RM1201AST26

Realmagic · Microcontrollers (MCU/MPU/SOC) · SOT-23-6

RM1201AST26 from Realmagic, in a SOT-23-6. 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 PA0/PCL/TK0 bidirectional PORTA I/O PA0 with programmable pull-up/down and level-change interrupt, also serial programming/debug clock input (PCL) and touch key channel 0 analog input (TK0); source current 18 mA at VDD=5V.
2 VSS power_in Ground.
3 PA1/PDA/TK1/PWM0 bidirectional PORTA I/O PA1 with programmable pull-up/down and level-change interrupt, also serial programming/debug data I/O (PDA), touch key channel 1 analog input (TK1) and PWM0 output.
4 PA3/RSTN/VPP/[PWM1] bidirectional PORTA I/O PA3 (true open-drain when set as output), active-low hardware reset input RSTN with configurable internal pull-up, programming voltage VPP, and PWM1 open-drain output requiring an external pull-up resistor.
5 VDD power_in Power supply, 1.8 V to 5.5 V (1.8 V at system clock <= 2 MHz, 2.5 V at <= 4 MHz); absolute maximum -0.3 to +5.5 V.
6 PA2/TK2/PWM1/T0 bidirectional PORTA I/O PA2 with programmable pull-up/down and level-change interrupt, also touch key channel 2 analog input (TK2), PWM1 output and Timer0 external input clock (T0).

Key specifications

Parameter Value
Manufacturer Realmagic
Package SOT-23-6
Category Embedded Processors & Controllers
Pins 6

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 temperature TON -40 85 ℃ 11
Storage temperature TOFF -40 125 ℃ 11
Operating voltage (abs max) VDD -0.3 5.5 V 11
I/O output current high, single IOH 25 mA 单个 I/O 口工作时 11
I/O output current high, all IOH 100 mA 所有 I/O 口工作时 11
I/O current low, single IOL 25 mA 单个 I/O 口工作时 11
I/O current low, all IOL 100 mA 所有 I/O 口工作时 11
Operating voltage VDD 1.8 5.5 V 系统频率 <= 2MHz 12
Operating voltage 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 printed 0.7VDD, max VDD 12
IO input low VIL 0.3 V VDD= 1.8 to5.5V; max printed 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 FHIRC -1 1 % TA = 25 ℃, VDD = 5V 13
Calibrated HIRC frequency FHIRC -3 3 % TA =-4085℃, VDD=2.5V5.5V 13
Calibrated LIRC frequency FLIRC -10 10 % TA = 25 ℃, VDD =2.5V~5.5V 13
Calibrated LIRC frequency FLIRC -40 40 % TA =-4085℃, VDD=2.5V5.5V 13
HIRC center frequency FHIRC 8 MHz 13
LIRC center frequency FLIRC 32 KHz 13
IO sink current IOL 40 mA PA0~PA5 VDD =5V,VIO=0.1VDD 12
IO pull-up resistance RPU 22 kΩ PA0~PA2,PA4,PA5 VDD =5V,VIO = 0V 12
IO pull-up resistance PA3 RPU1 50 kΩ PA3 VDD =5V,VIO = 0V 12
IO pull-down resistance RPD 5 kΩ 所有 IO VDD =5V,VIO = 0V 12

CAD (KiCad official)

  • Symbol: RM1201AST26
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: rm1201ast26-etched.step / rm1201ast26-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rm1201ast26.step / rm1201ast26.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 2026-10-22, 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