BL1102 - Tone / Pulse Dialer

BL1102 Series is a single chip dialer IC using Si-gate CMOS process, it can provide signal for either Pulse or double Tone with multi-frequency dialing.

• key tone and hands-free dialing, “0,”9” dialing latch with first number, 2array 32-digit number memory re-dialing, and 13-array 16-digit number memory etc. C1 C2 C3 C4 Vss XT XT T/P MUTE HKS DP/C5 DTMF 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 R5 R4 R3 R2 R1 V DD B/M NC MODE X MUTE KT C1 C2 C3 C4 Vss XT XT T/P MUTE HKS DP/C5 DTMF HFI 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 R5 R4 R3 R2 R1 V DD B/M NC MODE X MUTE KT HFO C1 C2 C3 C4 Vss XT XT T/P MUTE HKS DP/C5.