Pin and Signal Descriptions

Pin Descriptions

1.2.16Serial Peripheral Interface (SPI) Interface

 

 

 

 

All of the SPI signals are multiplexed on the MPP pins (see Section 4, Pin Multiplexing,

 

 

 

 

 

 

 

 

on page 51).

 

Note

 

 

 

 

 

 

 

Table 18: Serial Peripheral Interface (SPI) Interface Signal Assignment

Pin Name

I/O

Pin Type

Power Rail

Description

SPI_MOSI1

O

CMOS

VDDO

SPI Data Output

 

 

 

 

Data is output from the master and input to the slave.

SPI_MISO2

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.

Copyright © 2008 Marvell

 

Doc. No. MV-S104859-U0 Rev. E

December 2, 2008, Preliminary

Document Classification: Proprietary Information

Page 41

Page 41
Image 41
Marvel Group 88F6281 Serial Peripheral Interface SPI Interface, SPICSn, Pin Name Pin Type Power Rail Description