KX-T7565RU - Panasonic PBX Service Manual (repair manual). Page 6

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5 IC DATA
5.1. IC1
Name
Pin
Dir.
Pull Up
Type
Io
Act.
Block
MHz
Descriptions
DB3
2
bidir
---
TTL
8.0mA
high
PT5B03
2
Data Bus [3]
DB2
3
bidir
---
TTL
8.0mA
high
PT5B03
2
Data Bus [2]
DB1
4
bidir
---
TTL
8.0mA
high
PT5B03
2
Data Bus [1]
DB0
5
bidir
---
TTL
8.0mA
high
PT5B03
2
Data Bus [0]
ADR1
6
input
12-38k
TTL
---
high
PT5D01U
2
Address Bus [1]
ADR0
7
input
12-38k
TTL
---
high
PT5D01U
2
Address Bus [0]
CSN
8
input
---
TTL
---
low
PT5D01
1
Chip Select
REN
10
input
12-38k
TTL
---
low
PT5D01U
2
Read Enable Command
WEN
9
input
12-38k
TTL
---
low
PT5D01U
2
Write Enable Command
RST
63
input
---
CMOS schmidt
---
high
PC5D21
0.01
Asynchronous Reset Input
INT0N
11
output
---
CMOS
2.0mA
low
PC5O01
0.01
Interrupt Request
INT1N
12
output
---
CMOS
2.0mA
low
PC5O01
0.01
Interrupt Request
DR0
38
input
---
CMOS
---
low
PC5D01
0.6
Dpits Receive Data [1]
DR1
39
input
---
CMOS
---
low
PC5D01
0.6
Dpits Receive Data [0]
DX0
40
output
---
CMOS
4.0mA
low
PC5O02
0.6
Dpits Transmit Data [1]
DX1
41
output
---
CMOS
4.0mA
low
PC5O02
0.6
Dpits Transmit Data [0]
CK512K
37
output
---
CMOS
2.0mA
high
PC5O01
0.6
Dpits Bit Rate Clock
SR0
19
input
12-38k
TTL
---
high
PT5D01U
0.1
Serial Receive Data Stream [0]
SR1
20
input
12-38k
TTL
---
high
PT5D01U
0.1
Serial Receive Data Stream [1]
SX
21
output
---
CMOS
4.0mA
high
PC5O02
0.1
Serial Transmit Data Stream
CK2M
18
output
---
CMOS
4.0mA
high
PC5O02
2.1
Serial Stream Clock
EP0
13
output
---
CMOS
2.0mA
high
PC5O01
0.01
not used
EP1
14
output
---
CMOS
2.0mA
high
PC5O01
0.01
not used
EP2
15
output
---
CMOS
2.0mA
high
PC5O01
0.01
External Channel Pulse [2]
EP3
16
output
---
CMOS
2.0mA
high
PC5O01
0.01
not used
PI
61
input
---
CMOS schmidt
---
high
PC5D21
0.01
not used
NI
62
input
---
CMOS schmidt
---
high
PC5D21
0.01
not used
CLM0
43
output
---
CMOS
4.0mA
high
PC5O02
0.01
LED Column Drive [0]
CLM1
44
output
---
CMOS
4.0mA
high
PC5O02
0.01
LED Column Drive [1]
CLM2
45
output
---
CMOS
4.0mA
high
PC5O02
0.01
LED Column Drive [2]
CLM3
46
output
---
CMOS
4.0mA
high
PC5O02
0.01
LED Column Drive [3]
CLM4
47
output
---
CMOS
4.0mA
high
PC5O02
0.01
LED Column Drive [4]
CLM5
48
output
---
CMOS
4.0mA
high
PC5O02
0.01
LED Column Drive [5]
NROW0
50
output
---
CMOS
4.0mA
low
PC5O02
0.01
LED Row Drive [0]
NROW1
51
output
---
CMOS
4.0mA
low
PC5O02
0.01
LED Row Drive [1]
NROW2
52
output
---
CMOS
4.0mA
low
PC5O02
0.01
LED Row Drive [2]
NROW3
53
output
---
CMOS
4.0mA
low
PC5O02
0.01
LED Row Drive [3]
6
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