KX-UT113RU, KX-UT113RU-B, KX-UT123RU, KX-UT123RU-B (serv.man3) - Panasonic PBX Service Manual (repair manual). Page 80

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80
KX-UT113RU/KX-UT113RU-B/KX-UT123RU/KX-UT123RU-B
15.1.2. IC205
Pin No.
Terminal Name
Function
I/O Setting
Contents of Control
Remark
1
CLKIN
CLKIN
I
System clock input from IC501 (1.563MHz)
2
CLKOUT
GIN08
I
HOOK Switch Input
3
VDD1
VDD1
-
Digital system power supply (+3.3V)
4
VSS1
VSS1
-
Digital system ground
5
SDO
GOUT15
O
Not in use
6
GKEYIN0
GKEYIN0
I
Detect Headset
7
GKEYIN1
GKEYIN1
I
Detect EHS
8
PSBIN
PSBIN
I
EHS receive data
9
PSBOUT
PSBOUT
O
EHS transmit data
10
KEYIN0
KEYIN0
I
Dynamic Key Input Port0
11
KEYIN1
KEYIN1
I
Dynamic Key Input Port1
12
KEYIN2
KEYIN2
I
Dynamic Key Input Port2
13
KEYIN3
KEYIN3
I
Dynamic Key Input Port3
14
KEYIN4
KEYIN4
I
Dynamic Key Input Port4
15
KEYIN5
KEYIN5
I
Dynamic Key Input Port5
16
KEYIN6
KEYIN6
I
Dynamic Key Input Port6
17
KEYIN7
KEYIN7
I
Dynamic Key Input Port7
18
VSS2
VSS2
-
Digital system power supply (+3.3V)
19
VDD2
VDD2
-
Digital system ground
20
LED_COM0
LED_COM0
O
Dynamic Common Port0
21
LED_COM1
LED_COM1
O
Dynamic Common Port1
22
LED_COM2
LED_COM2
O
Dynamic Common Port2
23
LED_COM3
LED_COM3
O
Dynamic Common Port3
24
LED_STB0
LED_STB0
O
Dynamic Strobe Port0
25
LED_STB1
LED_STB1
O
Dynamic Strobe Port1
26
LED_STB2
LED_STB2
O
Dynamic Strobe Port2
27
LED_STB3
LED_STB3
O
Dynamic Strobe Port3
28
LED_STB4
LED_STB4
O
Dynamic Strobe Port4
29
LED_STB5
LED_STB5
O
Dynamic Strobe Port5
30
LED_STB6
LED_STB6
O
Dynamic Strobe Port6
31
LED_STB7
LED_STB7
O
Dynamic Strobe Port7
32
LED_COM4
LED_COM4
O
Dynamic Common Port4
33
LED_COM5
LED_COM5
O
Dynamic Common Port5
34
LED_COM6
LED_COM6
O
Dynamic Common Port6
35
LED_COM7
LED_COM7
O
Dynamic Common Port7
36
VDD3
VDD3
-
Digital system power supply (+3.3V)
37
VSS3
VSS3
-
Digital system ground
38
INT_OUT0
INT_OUT0
O
Interrupt to IC501
39
INT_OUT1
GOUT01
O
Ringer LED (Green)
40
TEST
TEST
-
TEST pin
41
RESET
RESET
I
Reset
42
SCS
GOUT00
O
Ringer LED (Red)
43
SCLK
SDA
I/O
I2C Data
44
SDI
SCL
I
I2C Clock

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