Connection Circuit To External Memory; Sram Connection Circuit - Epson S5U1C17801T1100 Hardware Manual

9 Connection Circuit to External Memory

SRAM, NOR Flash, NAND Flash, and EEPROM are connected to the SVT17801 as external memory modules.

SRAM Connection Circuit

CYPRESS 16M bits SRAM (CY62167DV30) is installed on the SVT17801. The following diagram shows how the
EEPROM is connected to the SVT17801.
S1C17801
A1 to A20
D0 to D15
V
DD
CE1
RD
WRL
WRH/RSH
A0/BSL
S5U1C17801T1100 HARDWARE MANUAL
(SOFTWARE EVALUATION TOOL FOR S1C17801)
9 CONNECTION CIRCUIT TO EXTERNAL MEMORY
CY62167DV30
A1 25
A0
A2 24
A1
A3 23
A2
A4 22
A3
A5 21
A4
A6 20
A5
A7 19
A6
A8 18
A7
A9 8
A8
A10 7
A9
A11 6
A10
A12 5
A11
A13 4
A12
A14 3
A13
A15 2
A14
A16 1
A15
A17 48
A16
A18 17
A17
A19 16
A18
A20 9
A19
10
NC
13
DNU
12
CE2
26
CE1
28
OE
11
WE
14
BHE
15
BLE
Fig. 9.1.1 SRAM Connection Circuit
EPSON
29
D0
31
D1
33
D2
35
D3
38
D4
40
D5
42
D6
44
D7
30
D8
32
D9
34
D10
36
D11
39
D12
41
D13
43
D14
45
D15/A-20
V
DD
37
V
CC
C11
0.1µF
46
V
SS
27
V
SS
47
BYTE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
R11
10K
25