Table of Contents
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Pin
No.
1
X1
2
X2
3
Vss
4
OSC2
5
OSC1
6
TEST
7
Vcc
8
Reset/
9
P20/IRQ4
10
P21/SCK1
11
P22/SI1
12
P23/SO1
13
P24/SCK3
14
P25/RxD
15
P26/TxD
16
P27/IRQ0
17
P17/IRQ3
18
P16/IRQ2
19
P15/IRQ1
20
P14
21
P13/TMIG
22
P12/TMOFH
23
P11/TMOFL
24
P10/TMOW
25
PA3
26
PA2
27
PA1
28
P50/WKP0
29
P51/WKP1
30
P52/WKP2
31
P53/WKP3
32
P54/WKP4
33
P55/WKP5
34
P56/WKP6
35
P57/WKP7
36
P60
37
P61
38
P62
39
P63
40
P64
I/O Setting
Pull-up
Processing
I
-
O
-
-
O
-
I
-
I
-
-
I
-
O
-
O
-
O
-
O
-
O
-
I
Built-in
O
-
I
-
I
Built-in
I
Built-in
I/O
-
I/O
Built-in
I/O
Built-in
I/O
Built-in
I/O
Built-in
O
-
O
-
O
-
O
-
I
Built-in
I
Built-in
I
Built-in
I
Built-in
I
Built-in
I
Built-in
I
Built-in
I
Built-in
I/O
Built-in
I/O
Built-in
I/O
Built-in
I/O
Built-in
I/O
Built-in
Contents of
Control
not in use
not in use
GND
not in use
8.192MHz clock from IC2
not in use
Vcc
Reset input
CODEC chip
select
SCLK
Sp Phone chip
select
DATA
not in use
not in use
not in use
not in use
Hook SW
ASIC INT/
LCD contrast 2 Cont.H/M:L Cont.L:
KEYOUT3
KEYOUT2
KEYOUT1
KEYOUT0
OSC for LCD
Power
side tone Cont. H:side tone ON
ASIC REN/
ASIC WEN/
KEYIN0
KEYIN1
KEYIN2
KEYIN3
KEYIN4
KEYIN5
KEYIN6
KEYIN7
DB0
DB1
DB2
DB3
DB4
24
Remark
L:OFF-HOOK
Low active
High"Z"
L output
L output
L output
L output
128kHz(4.096MHz/32)
Low active
Low active
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