SC91710A/B
BLOCK DIAGRAM
Kernel Control CKT.
KEYBOARD ASSIGNMENT
C1
R1
R2
R3
R4
1
4
7
*
C2
2
5
8
0
C3
3
6
9
#
C4
P→T
F
P
RD
1) P→T: In pulse mode, execute P→T function.
2) P: Pause key.
3) F: Flash key
4) RD: Redial key
DIALING SIGNAL OPTION
A: Flash time
Row3
Row4
B:
Flash time(ms)
600
300
100
80
Row1
Row2
LNB
memory
MODE
TONE
TONE
PULSE
PULSE
PULSE
PULSE
PULSE RATE
--
--
20PPS
20PPS
10PPS
10PPS
M/B
--
--
40:60
33:66
40:60
33:66
NR
NR
R
R
NR
R
NR
R
R
R
NR
NR
UR
UR
NR
R
NR
R
NR
R
C: Tone function
Col1
Tone Duration
98ms
83ms
Inter-Tone Pause
98ms
83ms
NR
R
Note:
NR: no resistance
R: A resistance connect to V
SS
(820kΩ typically)
UR: A resistance connect to V
DD
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.2
2007.03.07
Page 2 of 18
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