ST62T52C/T62C/E62C is an 8-bit OTP/EPROM MCU with A/D converter, safe reset, auto-reload timer and EEPROM.
This datasheet describes the ST62T52C and ST62T62C/E62C 8‑bit OTP/EPROM microcontrollers, covering their core architecture, on‑chip peripherals, and available options. It includes a general description, pinout information, memory organization, and detailed electrical characteristics.
Key features include a 3.0‑6.0 V supply range, 8 MHz maximum clock, 5 interrupt vectors, 9 programmable I/O pins, an 8‑bit timer, an auto‑reload timer, a digital watchdog, and an 8‑bit A/D converter with four analog inputs. Ordering information, change history, and legal notices are also provided.
| Supply Operating Range | 3.0 to 6.0 V |
|---|---|
| Maximum Clock Frequency | 8 MHz |
| Operating Temperature Range | -40 to +125 °C |
| Data RAM | 128 bytes |
| Data EEPROM | 64 bytes (none on ST62T52C) |
| Number of I/O Pins | 9 |
| I/O Pin Current Sink Capability | 30 mA per pin (5 pins) |
| Timer/Counter | 8‑bit with 7‑bit programmable prescaler |
| Auto‑reload Timer | 8‑bit with 7‑bit programmable prescaler |
| A/D Converter | 8‑bit with 4 analog inputs |
| Interrupt Vectors | 5 |
The device operates from 3.0 V to 6.0 V.
The microcontroller provides 128 bytes of data RAM.
Five I/O lines can sink up to 30 mA each.
The maximum clock frequency is 8 MHz.