Ricoh R5C841 - Manual (Page 24)

R5C841 PCI-CardBus/IEEE 1394/SD Card/Memory Stick/xD/ExpressCard Data Sheet
12345  2004 R EV . 1.10 3-19
xD Picture Card
Pin Name
MDIO Pin
Name
Type Description
xD Picture Card Control Pin Descriptions
XDCDAT0 MDIO10 I/O
XDCDAT1 MDIO11 I/O
XDCDAT2 MDIO12 I/O
XDCDAT3 MDIO13 I/O
XDCDAT4 MDIO14 I/O
XDCDAT5 MDIO15 I/O
XDCDAT6 MDIO16 I/O
XDCDAT7 MDIO17 I/O
xD Picture CardData [7:0] : xD Picture Card Data bus signals.
XDCLE MDIO18 OUT xD Picture Card CLE : xD Picture Card Command Latch Enable signal.
XDALE MDIO19 OUT xD Picture Card ALE : xD Picture Card Address Latch Enable signal.
XDCD0# MDIO00
XDCD1# MDIO01
IN xD Picture Card Detect : These signals indicate a detection of the xD Picture
Card when two signals are set to ‘Low’ by insertion of xD Picture Card.
XDWP# MDIO05 OUT xD Picture Card Write Protect : This signal indicates the state of xD Picture
Card’s write protect. This pin is connected to the -WP signal of the xD Picture
Card.
XDPWR MDIO04 OUT xD Picture Card Power Control : This signal is provided to control the power
supply for the xD Picture Card.
XDR/B# MDIO03 IN xD Picture Card R/B : xD Picture Card Ready/Busy signal. When this signal is
low, xD Picture Card is busy.
XDLED# MDIO06 OUT xD Picture Card LED Control: This signal indicates an access state to the xD
Picture Card.
XDWE# MDIO08 OUT xD Picture Card Write Enable: xD Picture Card Write Enable signal.
XDCE# MDIO02 OUT xD Picture Card Enable: xD Picture Card Enable signal.
XDRE# MDIO09 OUT xD Picture Card Read Enable: xD Picture Card Read Enable signal.