56F8123 查看數據表（PDF） - Freescale Semiconductor

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56F8123

16-bit Digital Signal Controllers

Freescale Semiconductor 

Serial Peripheral Interface (SPI) Timing

SS

(Input)

SCLK (CPOL = 0)

(Input)

tC

tCL

tCH

tF

tR

tELG

SCLK (CPOL = 1)

(Input)

tELD

tCL

tA

tCH

tR

MISO

(Output)

tDS

MOSI

(Input)

Slave MSB out

Bits 14–1

MSB in

tDV

tDH

Bits 14–1

tF

tD

Slave LSB out

tDI

tDI

LSB in

Figure 10-11 SPI Slave Timing (CPHA = 0)

SS

(Input)

SCLK (CPOL = 0)

(Input)

SCLK (CPOL = 1)

(Input)

MISO

(Output)

MOSI

(Input)

tC

tCL

tELD

tR

tCH

tCL

tDV

tA

tDS

tCH

Slave MSB out

tF

Bits 14–1

MSB in

tDV

tDH

Bits 14–1

tF

tELG

tR

tD

Slave LSB out

tDI

LSB in

Figure 10-12 SPI Slave Timing (CPHA = 1)

56F8323 Technical Data, Rev. 17

Freescale Semiconductor

121

Preliminary

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