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41
NW-HD3
MAIN BOARD IC2001 1S1R72003BOOA100 (USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
R1
I/O
Internal operation setting terminal
2
N.C.
—
Not used
3
AVSS
—
Ground terminal (analog system)
4
AVDD
—
Power supply terminal (+3.3V) (analog system)
5
AVSS
—
Ground terminal (analog system)
6
AVDD
—
Power supply terminal (+3.3V) (analog system)
7
AVSS
—
Ground terminal (analog system)
8
DP
I/O
USB data (+) input/output terminal
9
AVSS
—
Ground terminal (analog system)
10
DM
I/O
USB data (–) input/output terminal
11
AVSS
—
Ground terminal (analog system)
12
AVDD
—
Power supply terminal (+3.3V) (analog system)
13
TSTEN
I
Input terminal for the test mode setting
14
VBUS
I
USB bus detection signal input terminal
15
XRESET
I
Reset signal input from the multi interface
16
XSLEEP
I
Sleep signal input from the multi interface
17 to 24
CA0 to CA7
I
Address signal input from the multi interface
25
VSS
—
Ground terminal (logic system)
26
VDD
—
Power supply terminal (+3.3V) (logic system)
27
XCS
I
Chip select signal input from the multi interface
28
XRD
I
Read signal input from the multi interface
29
XWAIT
O
Wait signal output to the multi interface
30
XWR
I
Write signal input from the multi interface
31
XINT
O
Interrupt request signal output to the multi interface
32 to 35
CD0 to CD3
I/O
Two-way data bus with the multi interface and liquid crystal display unit
36
VSS
—
Ground terminal (logic system)
37 to 40
CD4 to CD7
I/O
Two-way data bus with the multi interface and liquid crystal display unit
41
VDD
—
Power supply terminal (+3.3V) (logic system)
42
ATPGEN
I
Input terminal for the test mode setting
43
SCANEN
I
Input terminal for the test mode setting
44, 45
TPORT0, TPORT1
I/O
Input/output terminal for the test mode setting
46, 47
TIN0, TIN1
I
Input terminal for the test mode setting
48
VSS
—
Ground terminal (logic system)
49
OSCOUT
O
Clock signal output terminal Not used
50
VSS
—
Ground terminal (logic system)
51
VDD
—
Power supply terminal (+3.3V) (logic system)
52
XHRESET
I
Reset signal input terminal Not used
53 to 60 HDD4 to HDD11
I/O
Two-way data bus with the multi interface and hard disk drive unit
61
VSS
—
Ground terminal (logic system)
62 to 69
HDD0 to HDD3,
HDD12 to HDD15
I/O
Two-way data bus with the multi interface and hard disk drive unit
70
VDD
—
Power supply terminal (+3.3V) (logic system)
71
HDMARQ
I
DMA request signal input from the hard disk drive unit
72
XHIOW
O
Write signal output to the hard disk drive unit
73
XHIOR
O
Read signal output to the hard disk drive unit
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