High-Level Serial Communications Controller (HSCC)
1 Features Two independent HDLC channels Implementation of X.
25 LAPB/LAPD protocol Programmable timeout and retry conditions FIFO buffers for efficient transfer of data packets Digital phase-locked loop for each channel Baudrate generator and oscillator Different modes for clock recovery and data encoding High-speed data rate (up to 4 MHz) Supports bus configuration by collision resolution Telecom-specific features programmable 8-bit parallel µP interface Advanced
CMOS technology Low power consumption; active: 25 mW at 4 MHz standby: 3 mW SAB 82520: operating temperature 0 to 70 ˚C SAF 82520: operating temperature – 40 to 85 ˚C
SAB 82520 SA...