MC68HC912B32 Datasheet, PDF(92/128 Page) Motorola, Inc

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MC68HC912B32 Datasheet, PDF (92/128 Pages) Motorola, Inc – 16-Bit Microcontroller

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Transfer

Begin

End

SCK (CPOL=0)

SCK (CPOL=1)

SAMPLE I

(MOSI/MISO)

CHANGE O

(MOSI pin)

CHANGE O

(MISO pin)

SEL SS (O)

(Master only)

SEL SS (I)

MSB ï¬rst (LSBF=0) : MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

LSB ï¬rst (LSBF=1) : LSB

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Figure 22 SPI Clock Format 0 (CPHA = 0)

LSB

MSB

tT tI tL

Minimum 1/2 SCK

for tT, tl, tL

HC12 SPI CLOCK FORM 0

Transfer

Begin

End

SCK (CPOL=0)

SCK (CPOL=1)

SAMPLE I

(MOSI/MISO)

CHANGE O

(MOSI pin)

CHANGE O

(MISO pin)

SEL SS (O)

(Master only)

SEL SS (I)

MSB ï¬rst (LSBF=0) : MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

LSB ï¬rst (LSBF=1) : LSB

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Figure 23 SPI Clock Format 1 (CPHA = 1)

LSB

MSB

tI tL

Minimum 1/2 SCK

for tT, tl, tL

HC12 SPI CLOCK FORM 1

MOTOROLA

MC68HC912B32

MC68HC912B32TS/D

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