ST92150CR1TC 데이터 시트보기 (PDF) - STMicroelectronics

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ST92150CR1TC

8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD

STMicroelectronics 

SERIAL PERIPHERAL INTERFACE (SPI)

SERIAL PERIPHERAL INTERFACE (Cont’d)

Figure 121. Serial Peripheral Interface Block Diagram

MOSI

MISO

SCK

SS

Internal Bus

Read

Read Buffer

SPDR

8-Bit Shift Register

Write

MASTER

CONTROL

SPIF WCOL - MODF -

1 IT

request

0

Ext. INT

SPSR

-

-

-

SPI

STATE

CONTROL

SPCR

SPIE SPOE SPIS MSTR CPOL CPHA SPR1 SPR0

ST9 PERIPHERAL

CLOCK (INTCLK)

SERIAL

CLOCK

GENERATOR

1/2

0

1

PRESCALER

/1 .. /8

DIV2

SPPR

PRS2 PRS1 PRS0

251/429

9

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