ST6208C/ST6209C ST6210C/ST6220C 8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET
The ST6208C, ST6209C, ST6210C and ST6220C are low‑cost 8‑bit HCMOS microcontrollers offering on‑chip peripherals such as an 8‑bit ADC, two timers, a watchdog, and up to 12 multifunction I/O pins. They are supplied in PDIP20, SO20 and SSOP20 packages and operate from 3.0 V to 6.0 V with a maximum clock frequency of 8 MHz.
The document provides detailed pin descriptions, memory maps, programming modes, electrical characteristics, power‑saving modes (Wait and Stop), and a list of application notes covering motor control, battery charging and home‑appliance designs. It also includes ordering information and references to development tools.
| Program memory size | 1 KB, 2 KB or 4 KB |
|---|---|
| RAM size | 64 bytes |
| Operating supply voltage | 3.0 V to 6.0 V |
| Maximum clock frequency | 8 MHz |
| Maximum operating temperature | -40 °C to +125 °C |
| Package types | PDIP20, SO20, SSOP20 |
| Number of I/O ports | 12 bidirectional I/O lines |
| ADC channels | 4 or 8 input channels (except ST6208C) |
| Timers | Configurable watchdog timer and 8‑bit timer/counter |
| Power‑saving modes | Wait and Stop |
The MCU operates from 3.0 V to 6.0 V.
It provides 12 multifunction bidirectional I/O ports.
The maximum clock frequency is 8 MHz.
The device supports two power‑saving modes: Wait and Stop.