Epson S5U1C17801T1100 Network Router User Manual


 
9 CONNECTION CIRCUIT TO EXTERNAL MEMORY
26
EPSON
S5U1C17801T1100 HARDWARE MANUAL
(SOFTWARE EVALUATION TOOL FOR S1C17801)
NOR Flash Connection Circuit
SPANION 64M bits NOR Flash (S29JL064H) is installed on the SVT17801. The following diagram shows how the
EEPROM is connected to the SVT17801.
V
DD
VDD
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15/A-1
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
S29JL064H
S1C17801
VCC
29
31
33
35
38
40
42
44
30
32
34
36
39
41
43
45
VSS
VSS
CE0
RD
WRL
P44
RESET
25
24
23
22
21
20
19
18
8
7
6
5
4
3
2
1
48
17
16
9
10
13
A1 to A22
D0 to D15
CE
OE
WE
RY/BY
WP/ACC
RESET
BYTE
26
28
11
15
14
12
37
47
R7
10K
C10
0.1µF
46
27
R8 10K
R9 10K
R10 10K
Fig. 9.2.1 NOR Flash Connection Circuit