This document describes the features and characteristics of the ST7232A 8-bit microcontroller, including 8K Flash/ROM, ADC, 4 timers, SPI, SCI interface, etc.
The ST7232A datasheet describes the ST72F32A and ST7232A members of the ST7 microcontroller family for the 5V operating range. The devices combine an 8-bit core with Flash or ROM program memory, 384 bytes RAM, timers, SPI, SCI, and a 10-bit ADC, and are offered in 32- and 44-pin packages.
The document covers pinouts, register and memory map, Flash program memory, CPU, supply/reset/clock management, interrupts, power saving modes, I/O ports, on-chip peripherals, instruction set, electrical and package characteristics, ordering information, and known limitations. It also lists absolute maximum ratings and timing, memory, EMC, I/O port, control pin, timer, communication interface, and ADC characteristics.
| Program Memory | 8K dual voltage High Density Flash or ROM |
|---|---|
| RAM | 384 bytes |
| Operating Voltage | 3.8 V to 5.5 V |
| Temperature Range | -40°C to +125°C |
| ADC | 10-bit ADC with up to 12 input ports |
| Timers | Two 16-bit timers |
| Instruction Set | 63 basic instructions |
| HDFlash Endurance | 100 cycles |
| 42/44-pin Packages | SDIP42 600mils / TQFP44 10x10 |
The ST7232A supports an operating voltage of 3.8 V to 5.5 V.
ST7232A devices include 384 bytes of RAM.
The HDFlash endurance is 100 cycles.
The on-chip ADC is a 10-bit converter with up to 12 robust input ports.