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BL1102AL Schematic ( PDF Datasheet ) - Shanghai Belling

Teilenummer BL1102AL
Beschreibung Tone / Pulse Dialer
Hersteller Shanghai Belling
Logo Shanghai Belling Logo 




Gesamt 10 Seiten
BL1102AL Datasheet, Funktion
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
www.DataSheet4U.com
Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233
www.DataSheet4U.com
www.DataSheet4U.com






BL1102AL Datasheet, Funktion
Press CD
the original status.
BL1102series
Tone/Pulse Dialer with Hand-free and lock functions
one pulse output will make call disconnected and make the system recover to
MUTE
Off-hook
MUTE
Press MUTE, mute output will be generated.
Mixed dialing
Off-hook ( or On-hook and HFI)
a . general dial
+ memory dial
+ general dial
b . memory dial
+ general dial + memory dial
c . re-dial
+ general dial
+ memory dial
Dialing with Savekey is valid only being first pressed after off hook, and the second serial
numbers can be dialed after the number is sent out.
Absolute Maximum Rating
Parameter
DC Supply Voltage
input / output Voltage
Power-Dissipation
Operating Temperature
Storage Temperature
Symbol
VDD ~ VS S
VIL
VIH
VDL
VDH
PD
TOPR
TSTG
Rating
-0.3 ~ +7.0
VSS-0.3
VDD+0.3
VSS-0.3
VDD-0.3
120
-20 ~+70
-55 ~+150
Unit
V
V
V
V
V
mW
oC
oC
DC Characteristic
( VDD -VSS=2.5V Fosc=3.58MHz Ta=25 OC, all output unloaded except for being indicated.)
Parameter
Symbol
Test Condition
Min. Typical Max.
Unit
tone 2.0 -- 5.5
Operating voltage
VDD
pulse
memory
2.0 -- 5.5
1.0 -- 5.5
V
Operating current
Memory retention current
Standby current
IOPT tone
IOPP pulse
IMR HKS 1 , Ta=450OC
VDD = 1.0V
ISB HKS 0
N loaded and N
--
--
--
--
0.6 2.0
0.2 0.5
0.1 0.2
0.1 5
mA
µA
µA
Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233

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