Panasonic KX-FT982LS-B Service Manual page 16

KX-FT982LS-B / KX-FT984LS-B / KX-FT988LS-B
NO. SIGNAL
38 VDD (3.3V)2
39 MIDAT/IOP
40 MICLK/IOP
41 MILAT/IOP
42 20KOSC/IOP
43 XWAIT
44 XHSTRD/IOP
45 XHSTWR/IOP
46 XOPRBE
47 ADR15
48 ADR14
49 ADR13
50 VDD (2.5V)2
51 XOUT
52 XIN
53 VSS4
54 VDD (3.3V)3
55 XTEST
56 TEST1
57 TEST2
58 TEST3
59 TEST4
60 XMDMINT
61 XMDMCS
62 XRAS/IOP
63 XCAS1/IOP
64 XCAS2/IOP
65 XRESCS2
66 DB3
67 DB2
68 DB4
69 DB1
70 DB5
71 VDD (3.3V)4
72 VSS5
73 VSS6
74 VDD (3.3V)5
75 DB0
76 DB6
77 DB7
78 XROMCS
79 XRD
80 XWR
81 ADR0
82 ADR1
83 ADR2
84 ADR3
85 ADR4
86 ADR5
87 VSS7
88 VDD (2.5V)3
89 ADR6
90 ADR7
91 ADR8
92 ADR9
93 ADR10
94 ADR11
95 ADR12
96 RBA0
97 RBA1
98 RBA2
99 RBA3
100 RBA4
101 RBA5
102 RBA6/IOP
103 STB1
I/O POWER SUPPLIED
VOLTAGE
-----
I/O 3.3V
O 3.3V
I/O 3.3V
O 3.3V
I 3.3V
I 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
-----
O 3.3V
I 3.3V
GND
-----
O 3.3V
I 3.3V
I 3.3V
I 3.3V
I 3.3V
I 3.3V
O 3.3V
O 3.3V
O 3.3V
I 3.3V
O 3.3V
I/O 3.3V
I/O 3.3V
I/O 3.3V
I/O 3.3V
I/O 3.3V
-----
GND
GND
-----
I/O 3.3V
I/O 3.3V
I/O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
GND
-----
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
16
DESCRIPTION
POWER SOURCE (+3.3V)
PORT (TONE1EN)
OUTPUT PORT (MDMTXEN)
PORT (HSRXEN)
OUTPUT PORT (PSHORT/ACK_EN)
INPUT PORT (HOOK)
INPUT PORT (TEST)
OUTPUT PORT (DCN)
OUTPUT PORT (MFCS)
CPU ADDRESS BUS 15 (NOT USED)
CPU ADDRESS BUS 14 (NOT USED)
CPU ADDRESS BUS 13 (NOT USED)
POWER SOURCE (+2.5V)
SYSTEM CLOCK (24MHz)
SYSTEM CLOCK (24MHz)
POWER SOURCE (GND)
POWER SOURCE (+3.3V)
24MHz CLOCK
HIGH FIXED
HIGH FIXED
HIGH FIXED
HIGH FIXED
MODEM INTERRUPT
MODEM CHIP SELECT
DRAM ROW ADDRESS STROBE (RAS)
DRAM COLUMN ADDRESS STROBE (CAS)
PORT (SPMUTE)
FLASH CHIP SELECT (XRESCS2)
CPU DATA BUS 3
CPU DATA BUS 2
CPU DATA BUS 4
CPU DATA BUS 1
CPU DATA BUS 5
POWER SOURCE (+3.3V)
POWER SOURCE (GND)
POWER SOURCE (GND)
POWER SOURCE (+3.3V)
CPU DATA BUS 0
CPU DATA BUS 6
CPU DATA BUS 7
FLASH (IC2) CHIP SELECT
CPU RD
CPU WR
CPU ADDRESS BUS 0
CPU ADDRESS BUS 1
CPU ADDRESS BUS 2
CPU ADDRESS BUS 3
CPU ADDRESS BUS 4
CPU ADDRESS BUS 5
POWER SOURCE (GND)
POWER SOURCE (+2.5V)
CPU ADDRESS BUS 6
CPU ADDRESS BUS 7
CPU ADDRESS BUS 8
CPU ADDRESS 9
CPU ADDRESS 10
CPU ADDRESS 11
CPU ADDRESS 12
ROM/RAM BANK ADDRESS 0
ROM/RAM BANK ADDRESS 1
ROM/RAM BANK ADDRESS 2
ROM/RAM BANK ADDRESS 3
ROM/RAM BANK ADDRESS 4
ROM/RAM BANK ADDRESS 5
OUTPUT PORT (NC)
STROBE SIGNAL OUTPUT TO THERMAL HEAD