Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 - Manual (Page 53)

2−27
Table 2−16. SD/MMC Terminals
If any SD/MMC terminal is unused, then the terminal may be left floating.
TERMINAL
DESCRIPTION
I/O
INPUT OUTPUT
PU/ POWER EXTERNAL
NAME NO.
DESCRIPTION
I/O
TYPE
INPUT OUTPUT
PU/
PD
POWER
RAIL
EXTERNAL
COMPONENTS
MC_PWR_CTRL_0
MC_PWR_CTRL_1
F01
F02
Media card power control for flash media sockets. O LVCO1
Power switch or
FET to turn power
on to FM socket
SD_CD E03
SD/MMC card detect. This input is asserted when
SD/MMC cards are inserted.
I LVCI1 PU2 VCC
SD_CLK J05, G05
SD flash clock. This output provides the SD/MMC
clock, which operates at 16 MHz.
I/O TTLO2 SW2 VCC
SD_CMD J03, F03
SD flash command. This signal provides the SD
command per the SD Memory Card Specifications.
I/O TTLI2 TTLO2 SW2 VCC
SD_DAT3
SD_DAT2
SD_DAT1
SD_DAT0
J02, H05
J01, G03
J06, G02
H03, G01
SD flash data [3:0]. These signals provide the SD
data path per the SD Memory Card Specifications.
I/O TTLI2 TTLO2 SW2 VCC
SD_WP H07
SD write protect data. This signal indicates that the
media inserted in the socket is write protected.
I TTLI2 SW2 VCC
Table 2−17. Memory Stick/PRO Terminals
If any Memory Stick/PRO terminal is unused, then the terminal may be left floating.
TERMINAL
DESCRIPTION
I/O
INPUT OUTPUT
PU/ POWER EXTERNAL
NAME NO.
DESCRIPTION
I/O
TYPE
INPUT OUTPUT
PU/
PD
POWER
RAIL
EXTERNAL
COMPONENTS
MC_PWR_CTRL_0
MC_PWR_CTRL_1
F01
F02
Media card power control for flash media sockets. O LVCO1
Power switch or
FET to turn power
on to FM socket
MS_BS F03
Memory Stick bus state. This signal provides Memory
Stick bus state information.
I/O TTLO2 SW2 VCC
MS_CD F05
Media Card detect. This input is asserted when a
Memory Stick or Memory Stick Pro media is inserted.
I LVCI1 PU2 VCC
MS_CLK G05
Memory Stick clock. This output provides the MS clock,
which operates at 16 MHz.
I/O TTLO2 SW2 VCC
MS_DATA3
MS_DATA2
MS_DATA1
H05
G03
G02
Memory Stick data [3:1]. These signals provide the
Memory Stick data path.
I/O TTLI2 TTLO2 SW2 VCC
MS_SDIO (DATA0) G01
Memory Stick serial data I/O. This signal provides
Memory Stick data input/output. Memory Stick data 0.
I/O TTLI2 TTLO2 SW2 VCC