Read Panasonic KX-TCA355RU Service Manual online
52
KX-TCA355RU
16 Exploded View and Replacement Parts List
16.1. CPU Data (Handset)
16.1.1. IC201 (BBIC)
Pin No
Description
I/O
Connection
at Normal mode
at Reset mode
1
P3_7/PD7
D,O
LCD_A0
O
O
2
P3_1/PD1
D,O
RXDSG
O
O
3
P3_5/PD5
D,O
SPAMP CD
O
O
4
P3_4/PD4
D,I/O
MIDI ERQ
I
O
5
P3_3/PD3
D,O
PAON
O
O
6
P3_2/PD2
D,O
PSEL
O
O
7
VDD
-
-
-
-
8
VSS
-
-
-
-
9
RFCLK
D,O
SYRI
O
O
10
VDDRF
-
-
-
-
11
VSSRF
-
-
-
-
12
Xtal1
A,I
←
I
O
13
CAP
A,I
←
I
O
14
AVS
-
-
-
-
15
AVD
-
-
-
-
16
RSSI
A,I
RSSI
I
O
17
RDI
D,I
RXDA
I
O
18
CMPREF
A,I
NC
OPEN
O
19
TDO
A,O
TXDA
A,O
O
20
LE
D,O
SYEN
D,O
O
21
SO
D,O
SYDA
D,O
O
22
SK
D,O
SYCL
D,O
O
23
DAC/ADC2
D,I
JACK DETECTION
I
O
24
P3_6/PD6
D,I/O
MIDI_SRQ
I
O
25
UTX/P0_0
D,O
UTX
O
O
26
URX/P0_1
D,I
URX
I
O
27
JTIO/P0_2
D,I
JTAG
I
O
28
PCM_FSC1/P0_3
D,I
COL1
I
O
29
PCM_FSC0/P0_4
D,I
COL2
I
O
30
PCM_CLK/P0_5
D,I
COL3
I
O
31
PCM_DOUT/P0_6
D,I
COL4
I
O
32
PCM_DIN/P0_7
D,I
COL5
I
O
33
VDDIO
-
-
-
-
34
VSS
-
-
-
-
35
INT0n/P1_0
D,O
ROW0
O
O
36
INT1n/P1_1
D,O
ROW1
O
O
37
INT2n/P1_2
D,O
ROW2
O
O
38
INT3n/P1_3
D,O
ROW3
O
O
39
INT4n/P1_4
D,I
MIDI_IRQ
I
O
40
VDDE/INT5n/P1_5
D,O
COL0
O
-
41
SCL2/P3_0
D,O
SCL
O
O
42
SDA2
D,I/O
SDA
I/O
O
43
VSS
-
-
-
-
44
VDD
-
-
-
-
45
P2_0/PWM0
D,O
PWM0
O
O
46
P2_1/PWM1
D,O
CS2
O
O
47
P2_2/ADC0
D,O
EX_RESET
O
O
48
P2_3/ADC1
D,O
MIDI-CS
O
O
49
P2_4/SCL1
D,O
LCD-SCLK
MIDI_SCLK
MIDI_SCLK
O
O
50
P2_5/SDA1
D,O
LCD-SCLK
MIDI_SCLK
MIDI_SCLK
O
O
51
P2_7/DC_CTRL
D,O
DC_CTRL
O
O
52
DC_I
A,I
←
I
O
53
P1_6/PON/INT6n
A,I
PON
I
O
54
P1_7/CHARGE/INT7n
A,I
CHARGE
I
O
55
P2_6/stop_charge
A,O
STOP-CHARGE
O
O
56
VBAT3/RINGING
A,I
VBAT3
I
O
57
DC_stab
A,O
←
O
O
58
DC_Sense
A,I
←
I
O
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