BL1102A

BL1102series Tone/Pulse Dialer with Hand-free and lock functions Description 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. It features 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 XT T/P MUTE 6 7 8 15 X MUTE HKS 9 14 KT DP/C5 10 13 HFO DTMF 11 C1 1 22 R5 C2 2 21 R4 C3 3 20 R3 C4 4 19 R2 Vss 5 18 R1 XT 6 17 VDD 16 B/M XT 7 T/P MUTE 8 15 LOCK HKS 9 14 MODE DP/C5 10 13 X MUTE DTMF 11 12 KT HFI 12 24 R5 23 R4 22 R3 21 R2 20 R1 19 VDD 18 B/M 17 LO 16 MO 15 X M 14 KT 13 HF BL1102 BL1102A BL1102L BL1102AL PDIP 22 PIN PDIP 24 PIN PDIP 22 PIN PDIP24PIN Features Operating voltage : 2.0 ~ 5.5V Double Tone/Pulse selection with switch, pulse can be switched to double tone by pressing */T key. 3.579545MHz crystal or ceramic resonator is used Power on reset on chip Minimum tone output duration : 100 ms 2 arrays of 32-digit number memory used for re-dialing and memory dialing respectively ...