Panasonic KX-FT72BR-G Service Manual page 103

Pin Pin Name Buffer Power supply
93 TEST3
94 XOUT
95 XIN
96 VSS
97 3.3V
98 TEST4
99 XHSTWR/IOP41
100 XOPRBE/MUX/OP53
101 XRAS/IOP42
102 XCAS1/IOP43
103 XCAS2/IOP44
104 DB3
105 DB2
106 DB4
107 DB1
108 DB5
109 DB0
110 DB6
111 DB7
112 XROMCS
113 XRD
114 3.3V
115 XWR
116 ADR0
117 ADR1
118 ADR2
119 VSS
120 ADR3
121 ADR4
122 ADR5
123 ADR6
124 ADR7
125 ADR8
126 ADR9
127 ADR10
128 VSS
129 3.3V
130 ADR11
131 ADR12
132 RBA0
133 RBA1
134 RBA2
135 RBA3
136 RBA4
137 RBA5/OP
138 RBA6/IOP
139 XRESCS1/OP72
140 XRESCS2/OP71
141 XMDMCS/OP
142 VSS
143 XRESCS3/OP52
144 20KOSC/IOP56
145 ADR13
146 ADR14
147 3.3V
148 ADR15
149 RM0/IOP00
150 RM1/IOP01
151 RM2/IOP02
152 RM3/IOP03
153 RXE/IP04
154 TM0/IOP10
155 TM1/IOP11
156 TM2/IOP12
157 TM3/IOP13
158 TXE/IP14
159 STB1
5V Tolerant
3.3V NO
3.3V -
3.3V NO
3.3V NO
3.3V YES
3.3V -
3.3V NO
3.3V NO
3.3V NO
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V -
3.3V NO
3.3V -
3.3V -
3.3V -
3.3V -
3.3V YES
3.3V -
3.3V -
3.3V -
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
3.3V YES
MULT3/5 NO
Signal Name I/O
+3.3V Test pin. fixed High
XOUT 24MHz oscillator
XIN 24MHz oscillator
DG Ground
+3.3V Power supply
+3.3V Test pin. fixed High
RLY O Tel line relay control
SP-MUTE Speaker mute control
OPEN O Not used
OPEN O Not used
OPEN O Not used
D3 Data bus
2 Data bus
4 Data bus
1 Data bus
5 Data bus
0 Data bus
6 Data bus
D7 Data bus
XROMCS ROM chip select
/RD Read signal output
+3.3V Power supply
/WR Write signal output
A0 Address bus
1 Address bus
2 Address bus
DG Ground
3 Address bus
4 Address bus
5 Address bus
6 Address bus
7 Address bus
8 Address bus
9 Address bus
10 Address bus
DG Ground
+3.3V Power supply
11 Address bus
12 Address bus
A13 Bank address
14 Bank address
15 Bank address
16 Bank address
17 Bank address
18 Not used
19 O Not used
OPEN Not used
OPEN Not used
OPEN Not used
DG Ground
OPEN Not used
OPEN O Not used
OPEN Not used
OPEN Not used
+3.3V Power supply
OPEN Not used
T5 O Motor control
T4 O Motor control
T3 O Motor control
T2 O Motor control
T0 O Motor control
LEDON O CIS LED control
OPEN O Not used
OPEN O Not used
OPEN O Not used
PULL DOWN I Pull down
STB1 O Thermal head strobe 1
103
KX-FT72BR-G
Description