W91570DN SERIES
- 6 -
Pin Description, continued
SYMBOL
PIN NO.
I/O
FUNCTION
AP
SET
42
I
If AP
SET
= V
DD
or floating, 24-hour clock mode.
If AP
SET
= V
SS
, 12-hour clock with p.m. mode.
ARD
40
I
Auto redial function selection.
ARD
BREAK
PAUSE WAIT INTERVAL REPEAT TIMES
V
V
Floating
DD
4 secs
30 secs
4 secs
1 sec
1 sec
1 sec
25 secs
30 secs
10
10
1
-
SS
When ARD is left floating, the one-key redial function is
enabled.
KT
7
O
The key tone output is a conventional CMOS inverter.
The key tone is generated as any valid key pressed, as the KT
pin generates a 1.2 KHz square wave which keeps on 35 mS;
otherwise, it remain in low state.
TEST,
TEST1
,
TEST2
,
TESTL
5, 8, 39,
41
I
For testing only.
NC
10
(for
W91572/574/
W91576/578)
-
No connection.
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