ST7LCRE4U1/ST7LCRDIE6 are 8-bit microcontrollers dedicated to smartcard reading applications. They have been developed to be the core of smartcard readers communicating through USB link. Optimized for mass-market applications, it offers a single integrated circuit solution with very few external components.
The ST7LCRE4U1 and ST7LCRDIE6 are 8-bit microcontrollers dedicated to smartcard reading applications, designed to be the core of smartcard readers communicating through a USB link. These devices are factory-programmed ROM units operating at a 4 MHz external oscillator frequency and are optimized for mass-market applications with very few external components.
| Program memory | 16 Kbyte of ROM |
|---|---|
| User RAM + USB data buffer | 512 + 256 bytes |
| Operating Supply | 4.0 to 5.5V |
| Package | VFQFPN24 |
| CPU Frequency | 4 or 8 MHz |
| Operating temperature | 0°C to +70 °C |
The operating supply voltage range is 4.0 to 5.5V.
The CPU frequency is 4 or 8 MHz.
The device includes 16 Kbytes of ROM.