KX-UDT111RU (serv.man3) - Panasonic PBX Service Manual (repair manual). Page 56

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56
KX-UDT111RU
16.1.2. IC100 (DPU)
Pin No.
Terminal Name
I/O Setting
Pull-up/down 
Processing
Contents of Control
Remark
1
 GPIO[17]
D.I
-
Flash-DataIn
Flash ROM Data input
2
 VDDIO
-
-
[ 3.0v ]
Power supply
3
 
GND
-
-
GND
-
4
 EBI[36]/ADD[15]
D.O
-
A14
Address BUS to SRAM
5
 EBI[37]/ADD[16]
D.O
-
A15
Address BUS to SRAM
6
 EBI[38]/ADD[17]
D.O
-
A16
Address BUS to SRAM
7
 VDDEBI
-
-
[ 3.0v ]
Power supply
8
 EBI[39]/ADD[18]
D.O
-
A17
Address BUS to SRAM
9
 EBI[40]/ADD[19]
D.O
-
NC (A18)
-
10
 EBI[41]/ADD[20]
D.O
-
NC
-
11
 VDDIO
-
-
[ 3.0v ]
Power supply
12
 GPIO[18]
D.O
-
Flash-DataOut
Flash ROM Data output
13
 GPIO[19]
D.O
-
Flash-CLK
Flash ROM control signal
14
 GPIO[20]
D.O
-
Flash-CS/
Flash ROM control signal
15
 GPIO[21]
D.O
-
LCD-BL1
LCD BackLight control signal
16
 GPIO[22]
D.O
-
LCD-BL2
LCD BackLight control signal
17
 GPIO[23]
D.O
-
CP-ON
LCD BackLight control signal
18
 GPIO[24]
D.O
-
NC
-
19
 GPIO[25]
D.O
-
LCD_RESET/
LCD control signal
20
 GPIO[26]
D.I
Pull-up (Built-in)
URX
For maintenance
21
 VDDC
-
-
[ VDD Core]
Power supply
22
 VDDC
-
-
[ VDD Core]
Power supply
23
 EBI[42]/ADD[21]
D.O
-
NC
-
24
 EBI[43]/ADD[22]
D.O
-
NC
-
25
 EBI[44]/CS2
D.O
-
NC
-
26
 VDDEBI
-
-
[ 3.0v ]
Power supply
27
 EBI[45]/WAIT
D.I
Pull-up (Built-in)
NC
-
28
 EBI[46]/CLK_BURST
D.O
-
NC
-
29
 EBI[47]/ADV
D.O
-
NC
-
30
 GND
-
-
GND
-
31
 GND
-
-
GND
-
32
 N.C.
-
-
NC
-
33
 VDDINT
-
-
[ VDD Core ]
Power supply
34
 IF_BAT_OK
-
-
 IF_BAT_OK
Signal to APU
35
 IF_CDC_DAT_AD
-
-
 IF_CDC_DAT_AD
Signal to APU
36
 IF_CDC_DAT_DA
-
-
 IF_CDC_DAT_DA
Signal to APU
37
 IF_CDC_DIR
-
-
 IF_CDC_DIR
Signal to APU
38
 IF_CLK_IF
-
-
 IF_CLK_IF
Signal to APU
39
 IF_CLK_O
-
-
NC
-
40
 IF_CLK_PLL
-
-
 IF_CLK_PLL
Signal to APU
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