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HBD-E380/E580/E880/E980/T58
76
Pin No.
Pin Name
I/O
Description
W24
RA6_B
O
Address signal output to the SD-RAM
W25
RBA2_B
O
Bank address signal output to the SD-RAM
W26 to
W28
RA9_B, RA7_B,
RA2_B
O
Address signal output to the SD-RAM
Y1
SRXN
I
Receive data (negative) input terminal Not used
Y2
SRXP
I
Receive data (positive) input terminal Not used
Y3
AVDD12_SATA1
-
Power supply terminal (+1.2V)
Y4
SREXT
-
External reference resistor connection terminal Not used
Y5
AVDD33_SATA
-
Power supply terminal (+3.3V)
Y8
DVCC33_IO_2
-
Power supply terminal (+3.3V)
Y20
DVCC15_IO_1
-
Power supply terminal (+1.5V)
Y24, Y25
RA8_B, RA13_B
O
Address signal output to the SD-RAM
Y26
RRESET_B
O
Reset signal output to the SD-RAM “L”: reset
AA3,
AA4
AVDD33_USB_1P_1,
AVDD33_USB_2P_2
-
Power supply terminal (+3.3V)
AA5,
AA6
AVSS33_USB_2P_2,
AVSS33_USB_1P_1
-
Ground terminal
AA8
DVCC33_IO_2
-
Power supply terminal (+3.3V)
AA11
DVCC15_IO_1
-
Power supply terminal (+1.5V)
AA12
DGND
-
Ground terminal
AA13
DVCC15_IO_1
-
Power supply terminal (+1.5V)
AA14
DGND
-
Ground terminal
AA15
DVCC15_IO_1
-
Power supply terminal (+1.5V)
AA16
DGND
-
Ground terminal
AA17
DVCC15_IO_1
-
Power supply terminal (+1.5V)
AA18
DGND
-
Ground terminal
AA19
DVCC15_IO_1
-
Power supply terminal (+1.5V)
AA20,
AA21
RVREF_2, RVREF_3
I
Reference voltage (+0.75V) input terminal for SD-RAM
AA23,
AA24
RDQ22_B, RDQ20_B
I/O
Two-way data bus with the SD-RAM
AA25
DVCC15_IO_1
-
Power supply terminal (+1.5V)
AA26
DGND
-
Ground terminal
AA27,
AA28
RA3_B, RA5_B
O
Address signal output to the SD-RAM
AB1
USB_1P_DM
I/O
Two-way USB serial data (–) with the USB connector (rear side)
AB2
USB_1P_DP
I/O
Two-way USB serial data (+) with the USB connector (rear side)
AB3
AVDD12_USB_1P_1
-
Power supply terminal (+1.2V)
AB5
AVSS12_USB_2P_1A
-
Ground terminal
AB6
AVSS12_USB_1P_1
-
Ground terminal
AB11
DGND
-
Ground terminal
AB12
RVREF_1
I
Reference voltage (+0.75V) input terminal for SD-RAM
AB23,
AB24
RDQ23_B, RDQ21_B
I/O
Two-way data bus with the SD-RAM
AB25
RCS_B_
O
Chip select signal output to the SD-RAM
AB26
RBA0_B
O
Bank address signal output to the SD-RAM
AB27
RCLK1_B
O
Clock signal (positive) output to the SD-RAM
AB28
RCLK1_B_
O
Clock signal (negative) output to the SD-RAM
AC1
USB_2P_DM1
I/O
Two-way USB serial data (–) with the wireless LAN card (HBD-E580/T58 only)
AC2
USB_2P_DP1
I/O
Two-way USB serial data (+) with the wireless LAN card (HBD-E580/T58 only)
AC3
USB_1P_VRT
-
External reference resistor connection terminal
AC4
AVDD12_USB_2P_1A
-
Power supply terminal (+1.2V)
AC7
GPIO7
O
USB VBUS on/off control signal output terminal for USB connector “H”: VBUS on
AC9
EFPWRQ
-
Power supply terminal (+2.5V) Not used
AC12
RDQ12
I/O
Two-way data bus with the SD-RAM
AC13
RRAS_
O
Row address strobe signal output to the SD-RAM
AC14
RODT
O
On die termination enable signal output to the SD-RAM
AC15
RBA2
O
Bank address signal output to the SD-RAM
AC16
RRESET
O
Reset signal output to the SD-RAM “L”: reset
AC17,
AC18
RA6, RA12
O
Address signal output to the SD-RAM
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