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5
D
C
3
CSRAM
B
OCMDATA[0..7]
3
OCMDATA[0..7]
OCMADDR[0..18]
3
OCMADDR[0..18]
ROM_WEN
3
ROM_WEN
ROM_OEN
3
ROM_OEN
ROM_CSN
3
ROM_CSN
SCSN
3
SCSN
ROM_SDI
3
ROM_SDI
ROM_SDO
3
ROM_SDO
ROM_SCLK
3
ROM_SCLK
A
5
4
+3.3V_I/O
+5V_IN
* CSRAM ADDR RANGES FROM 18000H TO 7FFFFH (APP. 412K BYTE)
+3.3V_I/O
SERIAL FLASH 512K
C102
SC220pF
U8
GND
1
8
CE#
VCC
HOLD#
2
7
SO
HOLD#
WP#
3
6
WP#
SCK
4
5
VSS
SI
NC/SST25VF040
GND
SOIC-8
ROM_SDO
ROM_SCLK
4
3
Flash_Power
Flash_Power
L1
Bead_121_4A/8
L2
GND
NC/Bead_121_4A/8
U7
OCMADDR18
1
A18
OCMADDR17
30
A17
OCMADDR16
2
A16
OCMADDR15
3
A15
OCMADDR14
29
A14
OCMADDR13
28
A13
OCMADDR12
4
A12
OCMADDR11
25
A11
OCMADDR10
23
A10
OCMADDR9
26
A9
OCMADDR8
27
A8
OCMADDR7
5
A7
OCMADDR6
6
A6
OCMADDR5
7
A5
OCMADDR4
8
A4
OCMADDR3
9
A3
OCMADDR2
10
A2
OCMADDR1
11
A1
OCMADDR0
12
A0
A28F001
Am29LV040B
Socket for a X8 Flash (64/128/256/512K) and
PROMJETmemory Emulator
R144
NC/ 10K/6
+3.3V_I/O
OPTIONAL
R147
R148
10K/6
10K/6
WP#
HOLD#
R149
R150
NC/ 10K/6F
NC/ 10K/6F
GND
GND
3
2
C99
C100
C101
22uF/25V
0.1uF/6
0.1uF/6
OCMDATA7
21
DQ7
OCMDATA6
20
DQ6
OCMDATA5
19
DQ5
OCMDATA4
18
DQ4
OCMDATA3
17
DQ3
OCMDATA2
15
DQ2
OCMDATA1
14
DQ1
OCMDATA0
13
DQ0
ROM_CSN
22
CE#
ROM_OEN
24
OE#
ROM_WEN
31
WE#
Flash_Power
32
VCC
16
VSS
GND
+3.3V_COM
11
U1E
74LCX14MX
+3.3V_COM
13
12
U1F
74LCX14MX
AT2002 ,20" TV
Title
FLASH MEMORY I/F
Size
Document Number
HUDSON PLATFORM
SCHEMATIC1
Date:
Monday, June 26, 2006
2
1
D
C
R145
NC/ 0R
R146
NC/ 0R
B
10
#Optional
C103
0.1uF/6
A
R ev
B3C
Sheet
4
o f
8
1
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