KX-P7105, KX-P7110 (serv.man2) - Panasonic Copying Equipment Service Manual (repair manual). Page 121

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7.1.3. IC3 ( Flash/Mask ROM )
Pin
No.
Symbol
In/Out
Function
Pin
No.
Symbol
In/Out
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
nBYTE
A16
A15
A14
A13
A12
A11
A10
A09
A08
A19
GND1
A20
A18
A17
A07
A06
A05
A04
A03
A02
A01
A00
nCE
In
In
In
In
In
In
In
In
In
In
In
-
In
In
In
In
In
In
In
In
In
In
In
In
nBYTE/Word Mode Selection
Address 16
Address 15
Address 14
Address 13
Address 12
Address 11
Address 10
Address 9
Address 8
Address 19
Ground
Address 20
Address 18
Address 17
Address 7
Address 6
Address 5
Address 4
Address 3
Address 2
Address 1
Address 0
Chip Enable
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
GND2
GND4
nOE
DQ00
DQ08
DQ01
DQ09
DQ02
DQ10
DQ03
DQ11
nWE
VCC1
VCC2
DQ04
DQ12
DQ05
DQ13
DQ06
DQ14
DQ07
DQ15
GND5
GND3
-
-
In
In/Out
-
In/Out
-
In/Out
-
In/Out
-
In
-
-
In/Out
-
In/Out
-
In/Out
-
In/Out
In/Out
-
-
Ground
Ground
Output Enable
Data 0
N.C.
Data 1
N.C.
Data 2
N.C.
Data 3
N.C.
Write Enable
+3.3V
+3.3V
Data 4
N.C.
Data 5
N.C.
Data 6
N.C.
Data 7
Mode Select
Ground
Ground
IC3 (Flash/Mask ROM)
7.1.4. IC5 ( RAM )
Pin
No.
Symbol
In/Out
Function
Pin
No.
Symbol
In/Out
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
VCC1
DQ0
VCCQ1
DQ1
DQ2
VSSQ1
DQ3
DQ4
VCCQ2
DQ5
DQ6
VSSQ2
DQ7
VCC2
DGML
nWE
nCAS
nRAS
nCS
A13
A12
A10
A0
A1
A2
A3
VCC3
-
In/Out
-
In/Out
In/Out
-
In/Out
In/Out
-
In/Out
In/Out
-
In/Out
-
In
In
In
In
In
In
In
In
In
In
-
In
-
+3.3V
Data 0
+3.3V
Data 1
Data 2
Ground
Data 3
Data 4
+3.3V
Data 5
Data 6
Ground
Data 7
+3.3V
Data Mask Lower Byte
Write Enable
Column Address Strobe
Row Address Strobe
Chip Select
Address 13
Address 12
Address 10
Address 0
Address 1
Address 2
Address 3
+3.3V
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
VSS1
A4
A5
A6
A7
A8
A9
A11
NC1
CKE
CLK
DQMU
NC2
VSS2
DQ8
VCCQ3
DQ9
DQ10
VSSQ3
DQ11
DQ12
VCCQ4
DQ13
DQ14
VSSQ4
DQ15
VSS3
-
In
In
In
In
In
In
In
-
In
-
In
-
-
-
-
In/Out
In/Out
-
In/Out
In/Out
-
In/Out
In/Out
-
In/Out
-
Ground
Address 4
Address 5
Address 6
Address 7
Address 8
Address 9
Address 11
N.C.
Clock Enable
Clock
Data Mask Upper Byte
N.C.
Ground
Data 8
+3.3V
Data 9
Data 10
Ground
Data 11
Data 12
+3.3V
Data 13
Data 14
Ground
Data 15
GND
IC5 (RAM)
121
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