Rainbow-electronics AT89C5132 Manual do Utilizador descarregar pdf (Página 147)

147

AT8xC5132

4173A–8051–08/02

Waveforms

Figure 123. SPI Slave Waveforms (SSCPHA = 0)

Note: Not Defined but generally the MSB of the character that has just been received.

Figure 124. SPI Slave Waveforms (SSCPHA = 1)

Note: Not Defined but generally the LSB of the character that has just been received.

SLCL

SLCH

CHCL

CLCH

MOSI

(input)

SCK

(SSCPOL = 0)

(input)

SCK

(SSCPOL = 1)

(input)

MISO

(output)

CHCH

CLCX

CHCX

IVCL

CLIX

CHIX

IVCH

CHOV

CLOV

CHOX

CLOX

MSB IN BIT 6 LSB IN

SLAVE MSB OUT SLAVE LSB OUTBIT 6

SLOV

SHOX

SHSL

CHSH

CLSH

(input)

SCK

(SSCPOL = 0)

(output)

SS#1

(output)

SCK

(SSCPOL = 1)

(output)

CHCH

CLCX

CHCX

IVCL

CLIX

CHIX

IVCH

CHOV

CLOV

CHOX

CLOX

MSB IN BIT 6 LSB IN

MSB OUTPort Data LSB OUT Port DataBIT 6

CHCL

CLCH

1 2 ... 142 143 144 145 146 147 148 149 150 151 152 ... 161 162

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