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HCD-GTX999
59
USB MICOM BOARD IC13 USB2512-AEZG (USB 2.0 HUB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
USBDN1_DM,
USBDN1_DP
I/O
Audio serial data input/output with the USB connector
3, 4
USBDN2_DM,
USBDN2_DP
I/O
Audio serial data input/output with the hard disk driver
5
VDDA33
-
Power supply terminal (+3.3V)
6 to 9
NC
-
Not used
10
VDDA33
-
Power supply terminal (+3.3V)
11
TEST
-
Not used
12
PRTPWR1
O
Power supply on/off control signal output terminal for the USB VBUS section "H": power on
13
OSC1_N
I
Over current sense signal input from the USB interface
14
VDD18
-
Power supply terminal (+3.3V)
15
VDD33CR
-
Power supply terminal (+3.3V)
16
PRTPWR2
O
VBUS voltage detect signal output to the hard disk driver
17
OSC2_N
I
Over current sense signal input terminal
18 to 21
NC
-
Not used
22
SDA/SMBDATA/NON/
REM1
-
Not used
23
VDD33
-
Power supply terminal (+3.3V)
24
SCL/SMBCLK/
CFG_SEL0
-
Not used
25
HS_IND/CFG_SEL1
-
Not used
26
RESET_N
I
Reset signal input from the USB system controller "L": reset
27
VBUS_DET
I
VBUS voltage detect signal input terminal
28
SUSP_IND/
LOCAL_PWR/NON_PEM0
-
Not used
29
VDDA33
-
Power supply terminal (+3.3V)
30, 31
USBUP_DM, US-
BUP_DP
I/O
Audio serial data input/output with the USB interface
32
XTAL2
O
System clock (24 MHz) output terminal
33
XTAL1/CLKIN
I
System clock (24 MHz) input terminal
34
VDD18PLL
-
Power supply terminal (+1.8V)
35
RBIAS
-
Not used
36
VDD33PLL
-
Power supply terminal (+3.3V)
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9
2
8
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4
2
9
8
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9
2
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9
4
2
9
8
0
5
1
5
1
3
6
7
3
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