Sharp 902SH Service Manual page 88

Pin No. Terminal name
51 GND
52 GND
IC1100 (LHF65NZ1): FLASH MEMORY 1
Pin No. Terminal name
1* NC
2* NC
3* NC
4* NC
5 A4
6 A18
7 A19
8 VSS
9 F1-VCC
10 F2-VCC
11 A21
12 A11
13 A5
14* /R-LB
15 A23
16 VSS
17* S-CS2
18 CLK
19 A22
20 A12
21 A3
22 A17
23 GND
24 F-VPP
25* /R-/WE
26* /P1-CS
27 A9
28 A13
29 A2
30 A7
31 GND
32 F-/WP
33 /ADV
34 A20
35 A10
36 A15
37 A1
38 A6
39* /R-UB
40 F-/RST
41 F-/WE
42 A8
43 A14
44 A16
45 A0
46 DQ8
47 DQ2
48 DQ10
49 DQ5
50 DQ13
51 WAIT
52 F2-/CE
53* /R-OE
CONFIDENTIAL
Input/Output
– Earth
– Earth
Input/Output
– Not used
– Not used
– Not used
– Not used
Input Address input
Input Address input
Input Address input
– Earth
– Power supply (flash)
– Power supply (flash)
Input Address input
Input Address input
Input Address input
Input (Not used)
Input Address input (flash 1, 3)
– Earth
Input (Not used)
Input Clock input
Input Address input
Input Address input
Input Address input
Input Address input
– Earth
Input Supply voltage detection terminal
Input Write enable input (Not used)
Input (Not used)
Input Address input
Input Address input
Input Address input
Input Address input
– Earth
Input Write protect input
Input Address valid input
Input Address input
Input Address input
Input Address input
Input Address input
Input Address input
Input (Not used)
Input Reset input (flash)
Input Write enable input
Input Address input
Input Address input
Input Address input
Input Address input
Input/Output Data input/output
Input/Output Data input/output
Input/Output Data input/output
Input/Output Data input/output
Input/Output Data input/output
Output Wait output
Input Chip enable input (flash)
Input Output enable input (flash) (Not used)
Description of terminal
Description of terminal
6 – 11
902SH