This document describes a low-power, full-speed USB 8-bit MCU with 32 KB Flash, 5 KB RAM, flash card interface, timer, PWM, ADC, I2C, SPI, etc.
The ST72651AR6 is a low-power, full-speed USB 8-bit microcontroller featuring 32 KB of High Density Flash program memory and 5 KB of RAM. It includes a Data Transfer Coprocessor (DTC) for handling mass storage protocols such as Compact Flash, Multimedia Card, and Secure Digital Card. The device supports USB 1.1 full-speed specifications with DMA capabilities and includes peripherals like a 16-bit timer, two communication interfaces (SPI and I2C), and an 8-bit ADC.
| Program memory | 32 Kbytes of Flash |
|---|---|
| User RAM | 5 Kbyte |
| Operating Supply | 4.0 to 5.5 V |
| Package | LQFP64 |
| Operating Temperature | 0 to +70 °C |
| USB Speed | Full Speed |
| ADC Resolution | 8-bit |
The device supports up to 32 KB of High Density Flash program memory.
Yes, it includes a Data Transfer Coprocessor (DTC) for Universal Serial/Parallel communications with mass storage media.
The operating supply voltage for USB is 4.0 to 5.5 V.