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Table 34
SDIO Signal Descriptions
Signal
Pin # Description
I/O
PU/PD Comment
SDIO_CD#
B63
SDIO Card Detect. This signal indicates when a SDIO/MMC card is present. Maps to
GPO3; used as an input when used for SD card support
I 3.3V
PU 20k
SDIO_CLK
A93
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. Maps to GPO0.
O 3.3V
SDIO_CMD
B54
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. Maps to GPO1
O 3.3V PU 20k
SDIO_WP
B57
SDIO Write Protect. This signal denotes the state of the write-protect tab on SD cards.
Maps to GPO2; used as an input when used for SD card support
I 3.3V
PU 20k
SDIO_DAT0 A54
SDIO Data line. Operates in push-pull mode and maps to GPI0
IO 3.3V PU 20k
SDIO_DAT1 A63
SDIO Data line. Operates in push-pull mode and maps to GPI1
IO 3.3V PU 20k
SDIO_DAT2 A67
SDIO Data line. Operates in push-pull mode and maps to GPI2
IO 3.3V PU 20k
SDIO_DAT3 A85
SDIO Data line. Operates in push-pull mode and maps to GPI3
IO 3.3V PU 20k
Table 35
Module Type Definition Signal Description
Signal
Pin # Description
I/O
PU/PD Comment
TYPE10#
A97
Indicates to the carrier board that a Type 10 module is installed.
PDS
PD 47k
Table 36
Power and GND Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD Comment
VCC_12V
A104-A109
B104-B109
Primary power input: 4.75V to 20V. All available VCC_12V pins on the
connector(s) shall be used.
P
The conga-MA5 is a Type 10 mini
module and as such supports
a wide power supply range
between 4.75 and 20V.
VCC_5V_
SBY
B84-B87
Standby power input: +5V nominal. If VCC5V_SBY is used, all
available VCC_5V_SBY pins on the connector(s) shall be used. May be
left unconnected if these functions are not used in the system design.
P
VCC_RTC
A47
Real time clock circuit-power input: +3V nominal
P
GND
A1, A11, A21, A31, A41,
A51, A57, A60, A66, A70,
A80, A90, A100, A110
B1, B11, B21, B31, B41,
B51, B60, B70, B80, B90,
B100, B110
Ground - DC power and signal and AC signal return path.
All available GND connector pins shall be used and tied to carrier
board GND plane.
P