Read Sharp TU-X1E (serv.man8) Service Manual online
TU-X1E/RU
7 – 11
7. VHIS29GL256-1Q 256Mbit Flash Memory
Pin No.
Pin Name
I/O
Pin Function
1
A23
I
24 Address inputs (256Mb)
1
A23
I
2
A22
I
15
A21
I
12
A20
I
11
A19
I
18
A18
I
19
A17
I
54
A16
I
3
A15
I
4
A14
I
5
A13
I
6
A12
I
7
A11
I
8
A10
I
9
A9
I
10
A8
I
20
A7
I
21
A6
I
22
A5
I
23
A4
I
24
A3
I
25
A2
I
26
A1
I
31
A0
I
51
DQ15/A-1
I/O
DQ15 (Data input/output, word mode), A-1(LSB Address input, byte mode)
49
DQ14
I/O
15 Data inputs/outputs
47
DQ13
I/O
45
DQ12
I/O
42
DQ11
I/O
40
DQ10
I/O
38
DQ9
I/O
36
DQ8
I/O
50
DQ7
I/O
48
DQ6
I/O
46
DQ5
I/O
44
DQ4
I/O
41
DQ3
I/O
39
DQ2
I/O
37
DQ1
I/O
35
DQ0
I/O
32
CE#
I
Chip Enable input
34
OE#
I
Output Enable input
13
WE#
I
Write Enable input
16
WP#/ACC
I
Hardware Write Protect input/Programming Acceleration input
14
RESET#
I
Hardware Reset Pin input
53
BYTE#
I
Selects 8-bit or 16-bit mode
17
RY/BY#
O
Ready/Busy output
43
VCC
---
3.0 volt-only single power supply
29
VIO
O
Output Buffer power.
33, 52
VSS
---
Device Ground
27, 28, 30, 55,56
N.C
---
Pin not Connected Internally.
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