SC91710A(2001) Просмотр технического описания (PDF) - Silan Microelectronics
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SC91710A Datasheet PDF : 18 Pages
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Silan
Semiconductors
BLOCK DIAGRAM
SC91710A/B
COL1
COL2
COL3
COL4
OSCI
OSCO
ROW1
ROW2
ROW3
ROW4
INPUT INTERFACE CKT.
OSC.
DIVIDER
LNB MEMORY
INPUT INTERFACE CKT.
PULSE
GENERATOR
DECODER &
DATA LATCH
ROW/COLUMN
PROGRAMMING
COUNTER
D/A CONVERTER
PO
TONE
KEYBOARD ASSIGNMENT
C1
C2
R1
1
2
R2
4
5
R3
7
8
R4
*or */T
0
C3
C4
1) P→T: In pulse mode, execute P→T function.
3
P→T
2) P: Pause key.
3) F: Flash key
6
F
4) RD: Redial key
9
P
5) In pulse mode, execute P→T function.
#
RD
In tone mode, execte “*” key
DIALING SIGNAL OPTION
A: Flash time
Row3 Row4 Flash time(ms)
NR
NR
600
NR
R
300
R
NR
100
R
R
80
B:
Row1
R
R
NR
NR
UR
UR
Row2
NR
R
NR
R
NR
R
MODE
TONE
TONE
PULSE
PULSE
PULSE
PULSE
PULSE RATE
--
--
20PPS
20PPS
10PPS
10PPS
M/B
--
--
40:60
33:66
40:60
33:66
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 2.0
2001-11-13
2
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