Read Sony NW-E303 Service Manual online
26
NW-E303
• IC Pin Function Description
MAIN BOARD IC400 (CXR704060-252GA SYSTEM CONTROLLER, NAND FLASH INTERFACE, USB INTERFACE, AD/DA
CONVERTER, SERIAL INTERFACE)
MAIN BOARD IC400 (CXR704060-252GA SYSTEM CONTROLLER, NAND FLASH INTERFACE, USB INTERFACE, AD/DA
CONVERTER, SERIAL INTERFACE)
Pin No.
Pin Name
I/O
Description
1
VDIO0
—
Power supply terminal (+2.8V)
2
PM4/A12
O
Address bus output to NOR flash memory (IC450)
3
PM5/A13
O
Address bus output to NOR flash memory (IC450)
4
PM6/A14
O
Address bus output to NOR flash memory (IC450)
5
PM7/A15
O
Address bus output to NOR flash memory (IC450)
6
PN0/A16
O
Address bus output to NOR flash memory (IC450)
7
PN1/A17
O
Address bus output to NOR flash memory (IC450)
8
PN2/A18
O
Address bus output to NOR flash memory (IC450)
9
PN3/A19
O
Address bus output to NOR flash memory (IC450)
10
PN4/A20
O
Address bus output to NOR flash memory (IC450)
11
PN5/A21
O
Address bus output (Not used. Fixed +2.8V)
12
PN6/A22
O
Address bus output (Not used. Fixed +2.8V)
13
PN7/A23
O
Address bus output (Not used. Fixed +2.8V)
14
DVSS7
—
Ground terminal
15
FAD0
I/O
Two-way data bus for NAND flash memory (IC461)
16
FAD1
I/O
Two-way data bus for NAND flash memory (IC461)
17
FAD2
I/O
Two-way data bus for NAND flash memory (IC461)
18
FAD3
I/O
Two-way data bus for NAND flash memory (IC461)
19
FAD4
I/O
Two-way data bus for NAND flash memory (IC461)
20
FAD5
I/O
Two-way data bus for NAND flash memory (IC461)
21
FAD6
I/O
Two-way data bus for NAND flash memory (IC461)
22
FAD7
I/O
Two-way data bus for NAND flash memory (IC461)
23
FCLE
O
CLE signal output to NAND flash memory (IC461)
24
FALE
O
ALE signal output to NAND flash memory (IC461)
25
VDIODF
—
Power supply terminal (+2.8V)
26
FWE
O
WE signal output to NAND flash memory (IC461)
27
FRE
O
RE signal output to NAND flash memory (IC461)
28
FWP
O
WP signal output to NAND flash memory (IC461)
29
FCE0
O
CE signal output to NAND flash memory (IC461)
30
FRB0
I
RB signal input from NAND flash memory (IC461)
31
FCE1
O
CE signal output to NAND flash memory (IC461)
32
FRB1
I
RB signal input from NAND flash memory (IC461)
33
PP0
O
Battery sensor control signal output
34
PP1
—
Not used. (Fixed +2.8V)
35
DVDD0
—
Power supply terminal (+1.2V)
36
DVSS1
—
Ground terminal
37
VDIO1
—
Power supply terminal (+2.8V)
38
PO0/D0
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
39
PO1/D1
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
40
PO2/D2
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
41
PO3/D3
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
42
PO4/D4
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
43
PO5/D5
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
44
PO6/D6
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
45
PO7/D7
I/O
Two-way data bus for NAND flash memory (IC450) and EL display
46
PB0/D8
I/O
Two-way data bus for NAND flash memory (IC450)
47
PB1/D9
I/O
Two-way data bus for NAND flash memory (IC450)
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