COMMELL QE-E70 - Manual (Page 16)

LN-D70 User’s Manual
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USB_SSTX0+
USB_SSTX0-
Multiplexed with transmit signal differential pairs for the
Superspeed USB data path.
USB_0_1_OC# Over current detect input 1. This pin is used to monitor the
USB power over current of the USB Ports 0 and 1.
USB_2_3_OC# Over current detect input 2. This pin is used to monitor the
USB power over current of the USB Ports 2 and 3.
2.3.4
Signal Description
SDIO_CD#
SDIO Card Detect. This signal indicates when a SDIO card is presen
SDIO_CLK
SDIO Clock. With each cycle of this signal a one-bit transfer
on the command and each data line occurs. This signal has
maximum frequency of 48 MHz.
SDIO_CMD
SDIO Command/Response. This signal is used for card
initialization and for command transfers. During initialization
mode this signal is open drain. During command transfer this
signal is in push-pull mode.
SDIO_WP
SDIO Write Protect. This signal denotes the state of the
write-protect tab on SD cards.
SDIO_PWR# SDIO Power Enable. This signal is used to enable the power
being supplied to a SD card device.
SDIO_DAT0-3 SDIO Data lines. These signals operate in push-pull mode.
2.3.5
Signal Description
HDA_RST# HD Audio/AC'97 Codec Reset.
HDA_SYNC Serial Bus Synchronization.
HDA_BCLK HD Audio/AC'97 24 MHz Serial Bit Clock from Codec.
HDA_SDO HD Audio/AC'97 Serial Data Output to Codec.
HDA_SDI HD Audio/AC'97 Serial Data Input from Codec.