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KX-TG7225RUJ, KX-TG7225RUM, KX-TG7225RUS, KX-TG7225RUT, KX-TG7226RUS, KX-TG7226RUT, KX-TGA721RUJ, KX-TGA721RUM, KX-TGA721RUS, KX-TGA721RUT - Panasonic Telephone Service Manual (repair manual). Page 86

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86
KX-TG7225RU/KX-TG7226RU/KX-TGA721RU
14.2. CPU Data (Handset)
14.2.1. IC1 (BBIC)
Pin No.
Description
I/O
Connection
at Normal mode
at Reset mode
1
*INT1/P11
D.I
ROW1
I
I-PU
2
VDDIO1
-
VDDIO1
-
-
3
VDD1
-
VDD1
-
-
4
VSS1
-
VSS1
-
-
5
LED1/PWM0/P20
D.O
NC
O
I-PU
6
LED2/PWM1/P21
D.O
LCD_CSB
O
I-PU
7
LED3
A.I
LED3
I
I
8
LED_BIAS/P36/PD6
A.O
LED_BIAS
O
I-PD
9
SDA1/P25
D.I/O
LCD_SI
I/O
I
10
SCL1/P24
D.O
LCD_SCL
O
I
11
*INT5/VDDE/P15
D.O
LCD_RS
O
O-H
12
*INT2/P12
D.I
ROW2
I
I-PU
13
AVD
-
AVD
-
-
14
AVS
-
AVS
-
-
15
CAP
A.I
CAP
I
I
16
Xtal1
A.I
Xtal1
I
I
17
VSSRF
-
VSSRF
-
-
18
RFCLKp
A.O
RFCLKp
O
Hi-Z
19
RSSI/RFCLKm
A.I
NC
I
Hi-Z
20
VDDRF
-
VDDRF
-
-
21
RFCLKd
D.O
RFCLKd
O
O-L
22
TDO
A.O
TDO
O
O
23
RDI
D.I
RDI
I
I
24
SK
D.O
SK
O
O-L
25
PD1/SIO
D.I/O
SIO
I/O
I-PD
26
LE
D.O
LE
O
O_L
27
P31/PD1
D.O
COL1
O
I-PD
28
P32/PD2
D.O
COL2
O
I-PD
29
VSSPA1
-
VSSPA1
-
-
30
PAOUTm
A.O
PAOUTm
O
O
31
VDDPA
-
VDDPA
-
-
32
PAOUTp
A.O
PAOUTp
O
O
33
VSSPA2
-
VSSPA2
-
-
34
P33/PD3
D.O
COL3
O
I-PD
35
P34/PD4
D.O
COL4
O
I-PD
36
TDOD/P35/PD5
D.O
COL5
O
I-PD
37
VSS2
-
VSS2
-
-
38
VDDIO2
-
VDDIO2
-
-
39
VDD2
-
VDD2
-
-
40
PCM_FSC/*INT0/P10
D.I
ROW0
I
I-PU
41
P00/UTX
D.O
UTX
O
I-PU
42
P01/URX
D.I
URX
I
I-PU
43
P02/JTIO
D.I/O
JTAG
I/O
I-PU
44
P03/SDA2
D.I/O
SDA2
I/O
I-PU
45
P04/SCL2
D.O
SCL2
O
I-PU
46
P05/SPICLK/PCM_CLK
D.O
NC
O
I-PU
47
P06/SPIDO/PCM_DOUT
D.O
WP
O
I-PU
48
P07/SPIDI/PCM_DIN
D.O
RESET(RF)
O
I-PU
49
VSS3
-
VSS3
-
-
50
VDD3
-
VDD3
-
-
51
P23/ADC1
A.I
NC
I
I
52
P17/CHARGE/INT7
D.I
CHARGE
I
I-PD
53
*RST
D.O
nRST
O
I-PU
54
DC_STAB
A.O
DC_STAB
O
O
55
DC_I
A.I
DC_I
I
I
56
DC_CTRL
A.O
DC_CTRL
O
O-PD
57
DC_Sense
A.I
DC_Sense
I
I
58
VBAT1
A.I
VBAT1
I
I
59
LDO1_CTRL
A.I
LDO1_CTRL
I
I
60
LDO2_CTRL
A.I
LDO2_CTRL
I
I
61
P16/PON/INT6
D.I
PON
I
I-PD
62
P26/STOP_CHARGE
A.O
STOP_CHARGE
O
O-L
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