Panasonic KX-FP105RS Service Manual page 26

KX-FP105RS
NO.
64 XHOLDAK
65 VDD (3.3V)
66 XOUT
67 XIN
68 VSS
69 VDD (5V)
70 XTEST
71 CPUCLK
72 TEST1
73 TEST2
74 TEST3
75 TEST4
76 XMDMINT
77 XMDMCS
78 VSS
79 VDD (3.3V)
80 XWAIT
81 HOLD
82 HSTRD/IOP
83 HSTWR/IOP
84 XOPRBE
85 ADR15
86 ADR14
87 ADR13
88 XRAS/IOP
89 XCAS1/IOP
90 XCAS2/IOP
91 VSS
92 VDD (3.3V)
93 XRESCS2
94 DB3
95 DB2
96 DB4
97 DB1
98 DB5
99 DB0
100 DB6
101 DB7
102 VSS
103 VDD (5V)
104 XROMCS
105 RD
106 WR
107 ADR0
108 ADR1
109 ADR2
110 ADR3
111 ADR4
112 ADR5
113 ADR6
114 ADR7
115 ADR8
116 ADR9
117 ADR10
118 ADR11
119 ADR12
120 VSS
121 VDD (5V)
122 RBA0
123 RBA1
124 RBA2
125 RBA3
126 RBA4
127 RBA5
128 RBA6/IOP96
129 IOP95
130 IOP94
SIGNAL I/O
O
O
I
O
O
I
I
I
I
I
O
I
I
O
O
O
O
O
O
O
O
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
POWER SUPPLIED VOLTAGE
5V
3.3V
3.3V
3.3V
GND
5V
5V
5V
5V
5V
5V
5V
5V
5V
GND
3.3V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
GND
3.3V
5V
5V
5V
5V
5V
5V
5V
5V
5V
GND
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
GND
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
26
DESCRIPTION
NOT USED
POWER SOURCE (+3.3V)
SYSTEM CLOCK (24MHz)
SYSTEM CLOCK (24MHz)
POWER SOURCE (GND)
POWER SOURCE (+5V)
24MHz CLOCK
NOT USED
HIGH FIXED
HIGH FIXED
HIGH FIXED
HIGH FIXED
MODEM INTERRUPT
MODEM CHIP SELECT
POWER SOURCE (GND)
POWER SOURCE (3.3V)
LOW FIXED
LOW FIXED
OUTPUT PORT (RESERVED)
OUTPUT PORT (RESERVED)
NOT USED
CPU ADDRESS BUS 15 (NOT USED)
CPU ADDRESS BUS 14 (NOT USED)
CPU ADDRESS BUS 13 (NOT USED)
DRAM (IC503) ROW ADDRESS STROBE
DRAM (IC503) CULUM ADDRESS STROBE
OUTPUT PORT (MODRST)
POWER SOURCE (GND)
POWER SOURCE (3.3V)
OUTPUT PORT (CSBR)
CPU DATA BUS 3
CPU DATA BUS 2
CPU DATA BUS 4
CPU DATA BUS 1
CPU DATA BUS 5
CPU DATA BUS 0
CPU DATA BUS 6
CPU DATA BUS 7
POWER SOURCE (GND)
POWER SOURCE (5V)
ROM (IC502) 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
CPU ADDRESS BUS 6
CPU ADDRESS BUS 7
CPU ADDRESS BUS 8
CPU ADDRESS 9
CPU ADDRESS 10
CPU ADDRESS 11
CPU ADDRESS 12
POWER SOURCE (GND)
POWER SOURCE (+5V)
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 (RESERVED)
OUTPUT PORT (SEN LED ON)
OUTPUT PORT (RESERVER)