BL1102A - 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 C1 1 22 R5 C2 2 21 R4 C3 3 20 R3 C4 4 19 R2 Vss 5 18 R1 XT 6 17 V DD 16 B/M XT 7 T/P MUTE 8 15 NC HKS 9 14 MODE DP/C5 10 13 X MUTE DTMF 11 12 KT HFI 12 24 R5 23 R4 C1 1 22 R3 C2 2 21 R2 C3 3 20 R1 C4 4 19 VDD Vss 5 18 B/M 17 NC 16 MODE XT.