Datasheet Summary
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
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...