Redpine Signals, Inc. Proprietary and Confidential
Page 65
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6.3
SDIO Header Pin Description
The following table describes the pins of SDIO header.
Pin
Number
Pin Name
Direction
Description
1
SDIO_DATA3 Input/Output Data3 of SDIO interface.
2
SDIO_CMD
Input/Output SDIO Mode: SDIO interface
command signal.
3
GND
-
Ground
4
VDD
-
Supply voltage.
5
SDIO_CLK
Input
This signal is SDIO clock.
6
GND
-
Ground
7
SDIO_DATA0 Input/Output Data0 of SDIO interface.
8
SDIO_DATA1 Input/Output Data1 of SDIO interface.
9
SDIO_DATA2 Input/Output Data2 of SDIO interface.
10
RESET
Input
Active Low Reset to RS9113
module. This is not used with the
standard SDIO connector.
Table 2: SDIO Header Pins
6.4
GPIO Header Pin Description
The following table describes the pins of SDIO header.
Pin
Number
Pin Name
Direction
Description
1
GND
The GPIOs are generally not available for usage
from the Host with the standard firmware. Please
refer to the Software PRM for the pins that are
supported or contact Redpine Signals in case you
need to use them.
2
GPIO_15
3
GPIO_19
4
GPIO_16
5
GPIO_7
6
GND
7
GPIO_2
8
GPIO_17
9
GPIO_8
10
GPIO_18
11
GPIO_21
12
GPIO_12
13
GPIO_13
14
GPIO_14
15
GPIO_10
16
GPIO_9
17
NC
18
GPIO_11
19
3.3V Supply
Output
