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BL1102 Datasheet

  • BL1102

  • single chip dialer IC using Si-gate CMOS process

  • 9頁

  • BELLING

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BL1102series
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, 鈥?,鈥?鈥?/div>
dialing latch with first number, 2array 32-digit number memory re-dialing, and 13-array 16-digit number
memory etc.
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
3 arrays of 16-digit number single key dialing memory
10 arrays of 32-digit number double key dialing memory
Pulse break/make ratio can be 3/2 or 2/1, both alternative, and pulse speed is 10PPS
Flash Time: 98ms, 305ms, 6000ms
Minimum tone output width: 93ms, minimum tone interval: 93ms
Key tone output used for confirming the key pressed is right
Pulse, P鈫扵 (Pulse to Tone) can be stored as a digit in memory
Easy operation with one-key redial, memory, pause and etc.
Standard 5脳5 keyboard used
Key 鈥淢ute鈥?used for mute talking
The dial-out staring with number 鈥?鈥?or 鈥?鈥漜an be locked and chosen by pin.
CD-operating key
20 and 24 PDIP plastic Package
Application
Used as dialing circuit in telephone, complete relevant functions.
Block Diagram
http://www.belling.com.cn
-1-
8/22/2006
Wrote by 2006
Total
9 Pages

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