Fungsi: Serial Optimized Communications Controller, Antara muka: HDLC, PPP, Bilangan Litar: 2, Voltan - Bekalan: 3V ~ 3.6V, Semasa - Bekalan: 50mA, Kuasa (Watt): 150mW,
Fungsi: Subscriber Line Interface Concept (SLIC), Antara muka: ISDN, Bilangan Litar: 2, Voltan - Bekalan: 3.13V ~ 3.47V, Semasa - Bekalan: 28mA, Kuasa (Watt): 280mW,