W91510 查看數據表（PDF） - Winbond
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W91510 Datasheet PDF : 16 Pages
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PIN CONFIGURATIONS
W91510N SERIES
C1
1
C2
2
C3
3
C4
4
KT
5
VSS
6
XT
7
XT
8
T/P MUTE
9
18
R4
17
R3
16
R2
15
R1
14
VDD
13
MODE
12
DTMF
11
DP
10
HKS
W91510N/W91511N
C1
1
C2
2
C3
3
C4
4
KT
5
VSS
6
XT
7
XT
8
T/P MUTE
9
HFI
10
20
R4
19
R3
18
R2
17
R1
16
VDD
15
MODE
14
DTMF
13
DP
12
HKS
11
HFO
W91510AN/W91511AN
PIN DESCRIPTION
SYMBOL 18-PIN 20-PIN I/O
FUNCTION
Column-
1−4
1−4
I The keyboard inputs may be used with either a standard
Row
Inputs
&
15−18
&
17−20
5 × 4 keyboard or an inexpensive single contact (Form
A) keyboard. Electronic input from a µC can also be
used. A valid key-in is defined as a single row being
connected to a single column.
XT, XT
7, 8
T/P MUTE
9
7, 8 I, O A built-in inverter provides oscillation with an
inexpensive 3.579545 MHz crystal or ceramic
resonator.
9
O The T/P MUTE is a conventional CMOS N-channel
open drain output.
The output transistor is switched on during dialing
sequence, one-key redial break, and flash break time.
Otherwise, it is switched off.
-2-
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