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Pin and Signal Descriptions
Pin Descriptions
Copyright © 2008 Marvell Doc. No. MV-S104859-U0 Rev. E
December 2, 2008, Preliminary Document Classification: Proprietary Information Page 41
1.2.16 Serial Peripheral Interface (SPI) Interface
Note
All of the SPI signals are multiplexed on the MPP pins (see Section 4, Pin Multiplexing,
on page 51
).
Table 18: Serial Peripheral Interface (SPI) Interface Signal Assignment
Pin Name
I/O
Pin Type Power Rail
Description
SPI_MOSI
1
O CMOS VDDO SPI Data Output
Data is output from the master and input to the slave.
SPI_MISO
2
I CMOS VDDO SPI Data Input
Data is input to the master and output from the slave.
SPI_SCK
O CMOS VDDO SPI Clock
SPI_CSn
O CMOS VDDO SPI Chip Select
NOTE: This pin requires an external pull up.
1. MOSI = Master Out Slave In.
2. MISO = Master In Slave Out.