EZ80L925048MOD Datasheet, PDF (32/38 Pages) Zilog, Inc. – eZ80L92 Module is a compact, high-performance Ethernet module

D[0..7]
eZ80L925048MOD
eZ80L92 Module Product Specification
26
A[0..23]
U3
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
21
20
19
18
17
16
15
14
8
7
36
6
5
4
3
2
1
40
13
37
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
Pin37=N.C.
for 4Mbit-
Flashes
Intel-Type
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
25
26
27
28
32
33
34
35
DFLASH0
DFLASH1
DFLASH2
DFLASH3
DFLASH4
DFLASH5
DFLASH6
DFLASH7
= ^D0
= ^D1
= ^D2
= ^D3
= ^D4
= ^D5
= ^D6
= ^D7
CE
OE
WE
RP
WP
22
24
9
10
12
-CSFLASH
-RD
-WR
-RESFLASH
-WP
2
VPP ¹¹
VPP
0R
N.C.
N.C.
29
38
A21
A20
R2
A20/A21 used for
16/32Mbit-Flash
MT28F008B3VG
TSOP40.20MM
C8
100nF
U2A
1
VDD
R1
10K
-FLASHWE
74LVC04/SO
D[0..7]
A[0..23]
-CSFLASH
-RD
-WR
-RESFLASH
D[0..7]
A[0..23]
-CSFLASH
-RD
-WR
-RESFLASH
A22/A23
not used here
-FLASHWE
-FLASHWE
Note: Must be pulled 'low'
externally for programming.
Figure 12. eZ80L92 Module Schematic Diagram, #4 of 9—NOR Flash Device
PS017005-0903
PRELIMINARY
V3.3
VDD
VSS
GND
Schematic Diagrams