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23
NW-E013/E013F/E015/E015F/E016/E016F
• IC Pin Function Description
MAIN BOARD IC101 CXD5090B1-003GG
(SYSTEM CONTROLLER, NAND FLASH INTERFACE, USB INTERFACE, A/D, D/A CONVERTER, SERIAL INTERFACE)
MAIN BOARD IC101 CXD5090B1-003GG
(SYSTEM CONTROLLER, NAND FLASH INTERFACE, USB INTERFACE, A/D, D/A CONVERTER, SERIAL INTERFACE)
Pin No.
Pin Name
I/O
Description
1 to 8
NAD0/GPIOC0
to NAD7/GPIOC7
I/O
Data signal input and output from the NAND flash ROM
9
NCLE/GPIOC8
O
Command latch enable signal output to the NAND flash ROM
10
NALE/GPIOC9
O
Address latch enable signal output to the NAND flash ROM
11,12
NCE0/GPIOC10,
NCE1/GPIOC11
O
Chip enable signal output to the NAND flash ROM
13
NCE2/GPIOC12
O
Battery power supply voltage detection ON/OFF control signal output terminal
14
NCE3/GPIOC13
I
USB power supply voltage detection signal input terminal (Ground terminal)
15
NRE/GPIOC14
O
Read signal output to the NAND flash ROM
16
NWE/GPIOC15
O
Write signal output to the NAND flash ROM
17
NWP/GPIOC16
O
Write protection signal output to the NAND flash ROM
18, 19
NRB0/GPIOC17,
NRB1/GPIOC18
O
Read/Busy signal output to the NAND flash ROM
20, 21
NRB2/GPIOC19,
NRB3/GPIOC20
O
Read/Busy signal output terminal (Not used (Fixed to “H”))
22
DVS
—
Ground terminal
23, 24
DVDIO2
—
Power supply terminal
25
DVS
—
Ground terminal
26
DVDK2
—
Power supply terminal
27
DVS
—
Ground terminal
28
CRST2
I
Reset signal input terminal (Not used (Fixed to “L”))
29
RST2OUT
O
Reset signal output to the power control IC
30
RST2VDD
—
Power supply terminal
31
T_ADINL
—
Not used (Fixed to “L”)
32
HPVDD
—
Power supply terminal
33
HPOUTL
O
Internal D/A converter audio signal output terminal (headphone L-ch)
34
PVDD
—
Power supply terminal
35
PGND
—
Ground terminal
36
HPOUTR
O
Internal D/A converter audio signal output terminal (headphone R-ch)
37
HPGND
—
Ground terminal
38
GPION0/INT8
I
System wake up signal input by the VOL+, VOL–, FF or FR key is pressed
39
GPION1/INT9
I
Key input terminal (A/D input) (HOLD switch)
40
GPION2/INT10
I
Key input terminal (A/D input) (FOLDER/HOME button)
41
GPION3/INT11
I
Key input terminal (A/D input) (PLAY button)
42
TDI
I
Serial data input terminal (for JTAG) (Not used (Open))
43
TMS
I
Test mode control signal input terminal (for JTAG) (Not used (Open))
44
TCK
I
Serial data transfer clock signal input terminal (for JTAG) (Not used (Open))
45
TDO
O
Serial data signal output terminal (for JTAG) (Not used (Open))
46
TRST
I
Reset signal input terminal (for JTAG)
47
TEST
I
Boot control signal input terminal (Not used (Fixed to “L”))
48
EVA
I
EVA/FLASH modes selection signal input terminal (Not used (Open))
49
TREQA
I
Request signal input terminal (for JTAG) (Not used (Fixed to “L”))
50
TACK
O
Request signal output terminal (for JTAG) (Not used (Open))
51
SCL/GPIOK0
O
USB SUS signal output to the power control IC
52
SDA/GPIOK1
I/O
Serial data input/output terminal (Not used (Fixed to “L”))
53
EC0/INT6/GPIOL0
I
Model setting terminal (Not used (Fixed to “L”))
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