KX-TG7207UAJ, KX-TG7207UAM, KX-TG7207UAS, KX-TG7207UAT, KX-TG7208UAM, KX-TG7208UAS, KX-TG7208UAT, KX-TGA720UAJ, KX-TGA720UAM, KX-TGA720UAS, KX-TGA720UAT - Panasonic Telephone Service Manual (repair manual). Page 74

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74
KX-TG7207UA/KX-TG7208UA/KX-TGA720UA
14 Appendix Information of Schematic Diagram
14.1. CPU Data (Base Unit)
14.1.1. IC7 (BBIC)
Pin No.
Description
I/O
Connection
at Normal mode
at Reset mode
1
*INT1/P11
D.O
RLY
O
I-PU
2
VDDIO1
-
-
-
-
3
VDD1
-
-
-
-
4
VSS1
-
-
-
-
5
SDA1/P25
D.I/O
SDA1
I/O
I
6
SCL1/P24
D.O
SCL1
O
I
7
*INT5/VDDE/P15
D.I
NC
I
O-H
8
*INT2/P12
D.O
Low_rad
O
I-PU
9
AVD
-
-
-
-
10
AVS
-
-
-
-
11
CAP
A.I
CAP
I
I
12
Xtal1
A.I
Xtal1
I
-
13
VSSRF
-
-
-
-
14
RFCLKp
A.O
NC
O
Hi-Z
15
RSSI/RFCLKm
A.I
NC
I
Hi-Z
16
VDDRF
-
-
-
-
17
RFCLKd
D.O
RFCLKd
O
O-L
18
TDO
A.O
TDO
O
O
19
RDI
D.I
RDI
I
I
20
SK
D.O
SK
O
O-L
21
PD1/SIO
D.I/O
SIO
I/O
I-PD
22
LE
D.O
LE
O
O-L
23
P31/PD1
D.O
RESET(RF)
O
I-PD
24
P32/PD2
D.I
ROW0
I
I-PD
25
P33/PD3
D.O
NC
O
I-PD
26
P34/PD4
D.O
NC
O
I-PD
27
TDOD/P35/PD5
D.O
NC
O
I-PD
28
P36/PD6
D.O
NC
O
I-PD
29
VSS2
-
-
-
-
30
VDDIO2
-
-
-
-
31
VDD2
-
-
-
-
32
PCM_FSC/*INT0/P10
D.O
NC
O
I-PU
33
P00/UTX
D.O
UTX
O
I-PU
34
P01/URX
D.I
URX
I
I-PU
35
P02/JTIO
D.I/O
JTAG
I/O
I-PU
36
P03/SDA2
D.O
NC
O
I-PU
37
P04/SCL2
D.O
WP
O
I-PU
38
P05/SPICLK/PCM_CLK
D.O
NC
O
I-PU
39
P06/SPIDO/PCM_DOUT
D.O
NC
O
I-PU
40
P07/SPIDI/PCM_DIN
D.O
NC
O
I-PU
41
VSS3
-
-
-
-
42
VDD3
-
-
-
-
43
P23/ADC1
A.I
ADC1
I
I
44
P17/CHARGE/INT7
D.I
INT7
I
I-PD
45
*RST
D.O
RST
O
I-PU
46
VBAT1
A.I
VBAT1
I
I
47
LDO1_CTRL
A.I
LDO1_CTRL
I
I
48
LDO2_CTRL
A.I
LDO2_CTRL
I
I
49
LDO1_Sense
A.I
LDO1_Sense
I
I
50
AVS2
-
-
-
-
51
AVD2
-
-
-
-
52
*CIDIN
A.I
CIDINn
I
I
53
*LSR/REF
A.O
LSRn
O
O
54
LSRp/REF
A.O
LSRp
O
O
55
RINGING
A.I
RINGING
I
I
56
*MIC/CIDOUT
A.O
CIDOUT
O
I
57
VREFm
-
-
-
-
58
AGND
A.O
AGND
O
O
59
MICp
A.I
MICp
I
I

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