Marvel 88F6281 User Manual

Page of 140
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 
). 
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.