MC68HC705C8A_13 Datasheet, PDF(141/222 Page) Freescale Semiconductor, Inc – Technical Data

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MC68HC705C8A_13 Datasheet, PDF (141/222 Pages) Freescale Semiconductor, Inc – Technical Data

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Freescale Semiconductor, Inc.

Serial Peripheral Interface (SPI)

Features

INTERNAL

CLOCK

(XTAL Ã·2)

DIVIDER

Ã·2 Ã·4 Ã·6 Ã·32

SELECT

SPI SHIFT REGISTER

7654321 0

SPDR ($000C)

SPI CLOCK (MASTER)

S

M

M

S

SHIFT

CLOCK

CLOCK

M

LOGIC

S

PD2/

MISO

PD3/

MOSI

PD4/

SCK

PD5/

SS

SPI CONTROL

MSTR

SPE

SPIE

MSTR

SPE

DWOM

SPSR ($000B)

SPCR ($000A)

SPI INTERRUPT

REQUEST

INTERNAL

DATA BUS

Figure 11-1. SPI Block Diagram

MC68HC705C8A â Rev. 3

MOTOROLA

Serial Peripheral Interface (SPI)

For More Information On This Product,

Go to: www.freescale.com

Technical Data

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