Read Panasonic KX-FT982CA / KX-FT984CA / KX-FT988CA Service Manual online
16
KX-FT982CA-B / KX-FT984CA-B / KX-FT988CA-B
38
VDD (3.3V)2
-----
POWER SOURCE (+3.3V)
39
MIDAT/IOP
I/O
3.3V
PORT (TONE1EN)
40
MICLK/IOP
O
3.3V
OUTPUT PORT (MDMTXEN)
41
MILAT/IOP
I/O
3.3V
PORT (HSRXEN)
42
20KOSC/IOP
O
3.3V
OUTPUT PORT (PSHORT/ACK_EN)
43
XWAIT
I
3.3V
INPUT PORT (HOOK)
44
XHSTRD/IOP
I
3.3V
INPUT PORT (TEST)
45
XHSTWR/IOP
O
3.3V
OUTPUT PORT (DCN)
46
XOPRBE
O
3.3V
OUTPUT PORT (MFCS)
47
ADR15
O
3.3V
CPU ADDRESS BUS 15 (NOT USED)
48
ADR14
O
3.3V
CPU ADDRESS BUS 14 (NOT USED)
49
ADR13
O
3.3V
CPU ADDRESS BUS 13 (NOT USED)
50
VDD (2.5V)2
-----
POWER SOURCE (+2.5V)
51
XOUT
O
3.3V
SYSTEM CLOCK (24MHz)
52
XIN
I
3.3V
SYSTEM CLOCK (24MHz)
53
VSS4
GND
POWER SOURCE (GND)
54
VDD (3.3V)3
-----
POWER SOURCE (+3.3V)
55
XTEST
O
3.3V
24MHz CLOCK
56
TEST1
I
3.3V
HIGH FIXED
57
TEST2
I
3.3V
HIGH FIXED
58
TEST3
I
3.3V
HIGH FIXED
59
TEST4
I
3.3V
HIGH FIXED
60
XMDMINT
I
3.3V
MODEM INTERRUPT
61
XMDMCS
O
3.3V
MODEM CHIP SELECT
62
XRAS/IOP
O
3.3V
DRAM ROW ADDRESS STROBE (RAS)
63
XCAS1/IOP
O
3.3V
DRAM COLUMN ADDRESS STROBE (CAS)
64
XCAS2/IOP
I
3.3V
PORT (SPMUTE)
65
XRESCS2
O
3.3V
FLASH CHIP SELECT (XRESCS2)
66
DB3
I/O
3.3V
CPU DATA BUS 3
67
DB2
I/O
3.3V
CPU DATA BUS 2
68
DB4
I/O
3.3V
CPU DATA BUS 4
69
DB1
I/O
3.3V
CPU DATA BUS 1
70
DB5
I/O
3.3V
CPU DATA BUS 5
71
VDD (3.3V)4
-----
POWER SOURCE (+3.3V)
72
VSS5
GND
POWER SOURCE (GND)
73
VSS6
GND
POWER SOURCE (GND)
74
VDD (3.3V)5
-----
POWER SOURCE (+3.3V)
75
DB0
I/O
3.3V
CPU DATA BUS 0
76
DB6
I/O
3.3V
CPU DATA BUS 6
77
DB7
I/O
3.3V
CPU DATA BUS 7
78
XROMCS
O
3.3V
FLASH (IC2) CHIP SELECT
79
XRD
O 3.3V
CPU
RD
80
XWR
O 3.3V
CPU
WR
81
ADR0
O
3.3V
CPU ADDRESS BUS 0
82
ADR1
O
3.3V
CPU ADDRESS BUS 1
83
ADR2
O
3.3V
CPU ADDRESS BUS 2
84
ADR3
O
3.3V
CPU ADDRESS BUS 3
85
ADR4
O
3.3V
CPU ADDRESS BUS 4
86
ADR5
O
3.3V
CPU ADDRESS BUS 5
87
VSS7
GND
POWER SOURCE (GND)
88
VDD (2.5V)3
-----
POWER SOURCE (+2.5V)
89
ADR6
O
3.3V
CPU ADDRESS BUS 6
90
ADR7
O
3.3V
CPU ADDRESS BUS 7
91
ADR8
O
3.3V
CPU ADDRESS BUS 8
92
ADR9
O
3.3V
CPU ADDRESS 9
93
ADR10
O
3.3V
CPU ADDRESS 10
94
ADR11
O
3.3V
CPU ADDRESS 11
95
ADR12
O
3.3V
CPU ADDRESS 12
96
RBA0
O
3.3V
ROM/RAM BANK ADDRESS 0
97
RBA1
O
3.3V
ROM/RAM BANK ADDRESS 1
98
RBA2
O
3.3V
ROM/RAM BANK ADDRESS 2
99
RBA3
O
3.3V
ROM/RAM BANK ADDRESS 3
100
RBA4
O
3.3V
ROM/RAM BANK ADDRESS 4
101
RBA5
O
3.3V
ROM/RAM BANK ADDRESS 5
102
RBA6/IOP
O
3.3V
OUTPUT PORT (NC)
103
STB1
O
3.3V
STROBE SIGNAL OUTPUT TO THERMAL HEAD
NO.
SIGNAL
I/O
POWER SUPPLIED
VOLTAGE
DESCRIPTION
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