Freescale Semiconductor DSP56366 ユーザーズマニュアル

Freescale Semiconductor

7-3

 

user’s responsibility to select the proper clock rate within the range as defined in the I

2

C and SPI bus 

specifications.

The Serial Host Interface programming model has two parts: 

•

—see 

 below and 

•

—see 

 and 

 through 

information.

 

SHI

HMST

HMST = 0

HMST = 1

SCK/SCL

Divide By

1 or 8

Divide By 1

To

Divide By 256

HRS

HDM0–HDM7

SHI Clock

F

OSC

Divide

By 2

Controller

Clock

Logic

CPHA, CPOL, HI

2

C

AA0417

0

I/O Shift Register (IOSR)

IOSR

23

AA0418