ST72521AR9TC 查看數據表（PDF） - STMicroelectronics

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ST72521AR9TC

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE

STMicroelectronics 

ST72521

SERIAL PERIPHERAL INTERFACE (Cont’d)

Table 19. SPI Register Map and Reset Values

Address

(Hex.)

0021h

0022h

0023h

Register

Label

SPIDR

Reset Value

SPICR

Reset Value

SPICSR

Reset Value

7

MSB

x

SPIE

0

SPIF

0

6

x

SPE

0

WCOL

0

5

x

SPR2

0

OR

0

4

x

MSTR

0

MODF

0

3

x

CPOL

x

0

2

x

CPHA

x

SOD

0

1

x

SPR1

x

SSM

0

0

LSB

x

SPR0

x

SSI

0

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