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Sony D-NF420 Service Manual page 20

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D-NF420/NF421
• IC Pin Function Description
EGL BOARD IC603 CXR711260-214H2 (SYSTEM CONTROLLER, DSP, LCD DRIVER)
Pin No.
Pin Name
1
PE6/SI1
2
PE5/SO1
3
PE4/XSCK1
4
PE3
5
VDIO0
6
VSS0
7
DVDD7
8
PE2/DTCK
9
PE1/RXD0
10
PE0/TXD0
11
EVA
12, 13
SDDQ16, SDDQ15
14
TAPTDO
15, 16
SDDQ14, SDDQ13
17
SCANEN
18, 19
SDDQ12, SDDQ11
20
TEST2
21, 22
SDDQ10, SDDQ8
23
VDIOSD0
24
VSS1
SDDQ9, SDDQ6,
25 to 28
SDDQ7, SDDQ2
29
TEST3
30, 31
SDDQ4, SDDQ3
32
TEST0
33
XSDWE
34
SDDQ1
35
TEST1
36
SDDQ5
37
SDLDQM
38
VDIOSD1
39
VSS2
40
SDUDQM
41
XSDCAS
42
XSDCS
43
TEST5
44
XSDRAS
45
SDCKE
46
TEST6
47
SDCLK
48
SDA13
49
XTRST
50 to 52
SDA12 to SDA10
53
VDIOSD2
54
VSS3
55
DVDD0
20
I/O
I
Serial data input from the liquid crystal display
O
Serial data output to the liquid crystal display
O
Serial clock signal output to the liquid crystal display
O
Chip select signal output to the EEPROM
-
Power supply terminal (+2.1V)
-
Ground terminal
-
Power supply terminal (+1.3V)
I/O
Not used
I
Not used
O
Not used
-
Not used
I/O
Two-way data bus with the SD-RAM
-
Not used
I/O
Two-way data bus with the SD-RAM
-
Not used
I/O
Two-way data bus with the SD-RAM
-
Not used
I/O
Two-way data bus with the SD-RAM
-
Power supply terminal (+2.7V)
-
Ground terminal
I/O
Two-way data bus with the SD-RAM
-
Not used
I/O
Two-way data bus with the SD-RAM
-
Not used
O
Write enable signal output to the SD-RAM
I/O
Two-way data bus with the SD-RAM
-
Not used
I/O
Two-way data bus with the SD-RAM
O
Lower byte input/output mask signal output to the SD-RAM
-
Power supply terminal (+2.7V)
-
Ground terminal
O
Upper byte input/output mask signal output to the SD-RAM
O
Column address strobe signal output to the SD-RAM
O
Chip select signal output to the SD-RAM
-
Not used
O
Row address strobe signal output to the SD-RAM
O
Clock enable signal output to the SD-RAM
-
Not used
O
Clock signal output to the SD-RAM
O
Address signal output to the SD-RAM
-
Not used
O
Address signal output to the SD-RAM
-
Power supply terminal (+2.7V)
-
Ground terminal
-
Power supply terminal (+1.3V)
Description

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