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Rev 1.0
Page 50 of 69
Generic Q7 Carrier Card Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Figure 46: SPI Connector
Pin No
Pin Detail Description
1
SPI_CS0#
SPI Chip select 0
2
SPI_MISO Master In Slave Out (RX to CPU)
3
GND
Ground
4
SPI_MOSI Master Out Slave In (TX from CPU)
5
SPI_SCK
Clock
6
VCC_3V3
3.3V Power Supply
7
SPI_CS1#
SPI Chip select 1
8
GND
Ground
Figure 47: SPI Connector Pin Out
2.20
RTC Battery
The Q7 Generic Carrier Card supports on board 3.3V backup Coin cell battery for RTC. This coin
cell battery is connected MXM connector VCC-RTC pin.