NXP 恩智浦MC145423 Universal Digital Loop Transceiver (UDLT-3) Pin Selectable Leader/Follower Limited Distance Modem
Untitled Document MC145423 TELECOMMUNICATIONS4 * The slave’s crystal frequency divided by 512 (UDLT-1) or 1024 (UDLT-2), must equal the master’s MSI frequency ±0.25% for optimum operation. ABSOLUTE