Read Panasonic KX-DT333RU Service Manual online
41
KX-DT333RU/KX-DT333RU-B
13 Exploded View and Replacement Parts List
13.1. IC Data
13.1.1. IC1
Pin
Terminal Name
I/O Setting
Pull-up Processing
Contents of Control
Remark
1
P3_3
I
ON
KEYIN3
2
P3_4
I
ON
KEYIN4
3
MODE
I
-
MODE
4
P4_3
O
-
REN
Low active
5
P4_4
O
-
WEN
Low active
6
RESET
I
-
RESET
Low active
7
P4_7
I
-
Not in use
Connecting 47kΩto VCC
8
VSS
-
-
GND
9
P4_6
I
-
Not in use
Connecting 47kΩto VCC
10
VCC
-
VCC
11
P5_4
O
-
LCD_PUMP
Timer output 125kHz
12
P5_3
O
-
MIC_SEL
L:Handset H:Headset
13
P5_2
O
-
SP_AMP
L:ON, H:OFF
14
P5_1
I
OFF
HD_DET
H:Headset detection
15
P5_0
I
OFF
HOOK
L:OFF-HOOK H:ON-HOOK
16
P2_7
I/O
OFF
DB0
17
P2_6
I/O
OFF
DB1
18
P2_5
I/O
OFF
DB2
19
P2_4
I/O
OFF
DB3
20
P2_3
I/O
OFF
DB4
21
P2_2
I/O
OFF
DB5
22
P2_1
I/O
OFF
DB6
23
P2_0
I/O
OFF
DB7
24
P1_7
O
-
OP_CS1
L:Enable H:Disable
25
P1_6
O
-
OP_SCK
26
P1_5
I
ON
OP_RXD
27
P1_4
O
-
OP_TXD
28
P8_6
O
-
AD0
29
P8_5
O
-
AD1
30
P8_4
O
-
AD2
31
P8_3
O
-
AD3/KEYOUT6
32
P8_2
O
-
AD4/KEYOUT5
33
P8_1
O
-
AD5/KEYOUT4
34
P8_0
O
-
AD6/KEYOUT3
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