Panasonic KX-FC379CX Service Manual page 155

KX-FC379CX
NO.
54 VDD (3.3V)
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)
72 VSS
73 VSS
74 VDD (3.3V)
75 DB0
76 DB6
77 DB7
78 XROMCS
79 RD
80 WR
81 ADR0
82 ADR1
83 ADR2
84 ADR3
85 ADR4
86 ADR5
87 VSS
88 VDD (2.5V)
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/IOP96
103 STB1
104 STB2
105 STB3
106 XRESET
107 VDD (3.3V)
108 VSS
109 VSS
110 VDD (3.3V)
111 XORESET
112 VDD(5V)
113 VSS
114 XRESETI
115 WDERR
116 THDAT
117 THCLK
118 THLAT
119 STBNP
SIGNAL I/O
O
I
I
I
I
I
O
O
O
O
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
O
O
I
O
I
O
O
O
O
I
POWER SUPPLIED
VOLTAGE
----- POWER SOURCE (+3.3V)
3.3V 24.576MHz CLOCK
3.3V HIGH FIXED
3.3V HIGH FIXED
3.3V HIGH FIXED
3.3V HIGH FIXED
3.3V MODEM INTERRUPT
3.3V MODEM CHIP SELECT
3.3V DRAM (IC503) ROW ADDRESS STROBE
3.3V DRAM (IC503) CULUM ADDRESS STROBE
3.3V OUTPUT PORT (CIS ON)
3.3V IC518 CHIP SELECT
3.3V CPU DATA BUS 3
3.3V CPU DATA BUS 2
3.3V CPU DATA BUS 4
3.3V CPU DATA BUS 1
3.3V CPU DATA BUS 5
----- POWER SOURCE (+3.3V)
GND POWER SOURCE (GND)
GND POWER SOURCE (GND)
----- POWER SOURCE (+3.3V)
3.3V CPU DATA BUS 0
3.3V CPU DATA BUS 6
3.3V CPU DATA BUS 7
3.3V ROM (IC502) CHIP SELECT
3.3V CPU RD
3.3V CPU WR
3.3V CPU ADDRESS BUS 0
3.3V CPU ADDRESS BUS 1
3.3V CPU ADDRESS BUS 2
3.3V CPU ADDRESS BUS 3
3.3V CPU ADDRESS BUS 4
3.3V CPU ADDRESS BUS 5
GND POWER SOURCE (GND)
----- POWER SOURCE (+2.5V)
3.3V CPU ADDRESS BUS 6
3.3V CPU ADDRESS BUS 7
3.3V CPU ADDRESS BUS 8
3.3V CPU ADDRESS 9
3.3V CPU ADDRESS 10
3.3V CPU ADDRESS 11
3.3V CPU ADDRESS 12
3.3V ROM/RAM BANK ADDRESS 0
3.3V ROM/RAM BANK ADDRESS 1
3.3V ROM/RAM BANK ADDRESS 2
3.3V ROM/RAM BANK ADDRESS 3
3.3V ROM/RAM BANK ADDRESS 4
3.3V ROM/RAM BANK ADDRESS 5
3.3V A19
3.3V STROBE SIGNAL OUTPUT TO THERMAL HEAD
3.3V STROBE SIGNAL OUTPUT TO THERMAL HEAD
3.3V NOT USED
3.3V RESET INPUT
----- POWER SOURCE (+3.3V)
GND POWER SOURCE (GND)
GND POWER SOURCE (GND)
----- POWER SOURCE (+3.3V)
3.3V RESET OUTPUT
----- POWER SOURCE (+5V)
GND POWER SOURCE (GND)
3.3V RESET INPUT
3.3V WATCHED ERROR OUTPUT SIGNAL
3.3V RECORDED IMAGE OUTPUT
3.3V CLOCK OUTPUT FOR DATA TRANSFER
3.3V PULSE OUTPUT FOR DATA LATCH
3.3V INPUT PORT (TEST)
154
DESCRIPTION