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BL1102 fiches techniques PDF

Shanghai Belling - Tone / Pulse Dialer

Numéro de référence BL1102
Description Tone / Pulse Dialer
Fabricant Shanghai Belling 
Logo Shanghai Belling 





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BL1102 fiche technique
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, 2-
array 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
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 T (Pulse to Tone) can be stored as a digit in memory
Easy operation with one-key redial, memory, pause and etc.
Standard 5 5 keyboard used
Key “Mute” used for mute talking
The dial-out staring with number “0” or “9”can 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
System clock generator
Handree control mode
Lock select
Data lock and store coder
Keyboard Input
coding
Read/write counter
RAM
Row/column
programmable counter
Read/write control
D/A converter
System control logic
Pulse control logic
Pulse generation
DTMF generation
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Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233
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