Panasonic KX-TCD225UA / KX-TCA122UA / KX-TCA121UA Service Manual ▷ View online
27 CPU DATA (HANDSET)
27.1. IC1 (BBIC)
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
1
INTln/P1[1]
D,I
ROW1
I
I-PU
2
VDDIO
-
-
-
-
3
VDD
-
-
-
-
4
VSS
-
-
-
-
5
LED1/PWM0/P2[0]
D,O
PWM0
O-L
I-PU
6
LED2/PWM1/P2[1]
D,O
LCD_CSB
O-H
I-PU
7
LED3
A,I
LED_BKL
I
I
8
LED_BIAS/P3[6]/PD
A.O
LED_BIAS
O
I-PD
9
SDA1/P2[5]
D,I/O
LCD_SI
I/O
I
10
SCL1/P2[4]
D,O
LCD_SCL
O
I
11
INT5n/VDDE/P1[5]
D,O
LCD_RS
O-L
I-PU
12
INT2n/P1[2]
D,I
ROW2
I
I-PU
13
AVD
-
-
-
-
14
AVS
-
-
-
-
15
CAP
A,I
CAP
I
I
16
Xta11
A,I
XtaI1
I
-
17
VSSRF
-
-
-
-
18
RFCLKp
A,O
NC
O
Hi-Z
19
RSSI/RFCLKm
A,I
RSSI
I
Hi-Z
20
VDDRF
-
-
-
-
21
RFCLKd
D,O
RFCLKd
O
O-L
22
TDD
A,O
TDO
O
-
23
RDI
D,I
RDI
I
I
24
SK
D,I/O
SK
-
O-L
25
PD1/SIO
D,I/O
SIO
-
I-PD
26
LE
D,I/O
LE
O-L
O-H
27
P3[1]/PD1
D,I/O
COL1
O-L
I-PD
28
P3[2]/PD2
D,I/O
COL2
O-L
I-PD
29
VSSPA
-
-
-
-
30
PAOUTm
D,O
PAOUTm
O
O
31
VDDPA
-
-
-
-
32
PAOUTp
D,O
PAOUTp
O
O
33
VSSPA
-
-
-
-
34
P3[3]/PD3
D,I/O
COL3
O-L
I-PD
35
P3[4]/PD4
D,I/O
COL4
O-L
I-PD
36
TDOD/P3[5]/PD5
D,I/O
COL5
O-L
I-PD
37
VSS
-
-
-
-
38
VDDIO
-
-
-
-
39
VDD
-
-
-
-
40
PCM_FSC/INT0n/P1[0]
D,I
ROW0
I
I-PU
41
P0[0]/UTX
D,I/O
UTX
O
I-PU
42
P0[1]/URX
D,I/O
URX
O
I-PU
43
P0[2]/JTIO
D,I/O
JTIO
O
I-PU
44
P0[3]/SDA2
D,I/O
P0[3]
O
I-PU
45
P0[4]/SCL2
D,I/O
P0[4]
O
I-PU
46
P0[5]/SPICLK/PCM
D,I/O
SP_LED
O
I-PU
47
P0[6]/SPIDO/PCM_D
D,O
CD_AMP
O
I-PU
48
P0[7]/SPIDI/PCM_D
D,I/O
RESET
O
I-PU
49
VSS
-
-
-
-
50
VDD
-
-
-
-
51
P2[3]/ADC1
O
EEP_WP
O
O
52
P1[7]/CHARGE/INT7
I
CHARGE
I
I-PD
53
RSTn
I
RSTn
I
I-PU
54
DC_stab
O
DC_stab
O
O
55
DC_1
I
DC_I
I
I
56
DC_CTRL
O
DC_CTRL
O
O-PD
57
DC_Sence
I
DC_Sence
I
I
58
VBAT1
A,I
VBAT1
I
I
59
LDO1_CTRL
D,O
LDO1_CTRL
O
O-H
60
LDO2_CTRL
D,O
LDO2_CTRL
O
O-H
61
P1[6]/PON/INT6
I
power_det
I
I-PD
62
P2[6]/stop_charge
A,O
stop_charge
O
O-O
77
KX-TCD225UA / KX-TCA122UA / KX-TCA121UA
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
63
LDO1_Sense
D,I
LDO1_Sense
I
O-L
64
AVS2
-
-
-
-
65
AVD2
-
-
-
-
66
LSRn/REF
A,O
REF
O
O
67
LSRp/REF
A,O
LSRp
O
O
68
MICn
A,I
RINGING
I
I
69
VREFm
-
-
-
-
70
VBUF
O
VBUF
O
O
71
AGND
A,O
AGND
O
O
72
MICp
A,I
MICp
I
I
73
VREFp
A,I
CIDINp
I
I
74
P3[0]
D,I/O
COL0
O-L
I-PD
75
P1[4]/INT4n
D,O
Key_LED
O
O-L
76
P1[3]/INT3n
D,I
ROW3
I
I
77
P2[2]/CLK100
D,O
LCD_RESET
O
I-PD
78
AVS_sence
I
AVS_sence
I
I
79
ADC2
A,I
ADC2
I
I
80
ADC0
A,I
NC
I
I
78
KX-TCD225UA / KX-TCA122UA / KX-TCA121UA
28 ENGINEERING MODE
28.1. Base Unit
79
KX-TCD225UA / KX-TCA122UA / KX-TCA121UA
Note:
*: When you enter the address, please refer to the table below.
Desired Number
Input Keys
Desired Number
Input Keys
0
0
A
[R] + 0
1
1
B
[R] + 1
.
.
C
[R] + 2
.
.
D
[R] + 3
.
.
E
[R] + 4
9
9
F
[R] + 5
80
KX-TCD225UA / KX-TCA122UA / KX-TCA121UA
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