31.Advanced single-chip solution for smartcard readers

First high-security, low-cost solutions for PC-based smartcard terminals
Advanced single-chip solution for
smartcard readers
First high-security, low-cost solutions for PC-based
smartcard terminals

4 MHz
4 MHz oscillator Port A PA [6:0]
quartz

Divider Port B PB [7:0]

48 MHz USB data
PLL buffer 256 B Port C PC [7:0]


USB
Full-speed USB
PD [7:0]
STMicroelectronics’ ST7SCR is