Rainbow Electronics AT89C51SND1C - Manual (Page 192)

192
AT8xC51SND1C
4109E–8051–06/03
Waveforms Figure 146. SPI Slave Waveforms (SSCPHA= 0)
Note: 1. Not Defined but generally the MSB of the character which has just been received.
Figure 147. SPI Slave Waveforms (SSCPHA= 1)
Note: 1. Not Defined but generally the LSB of the character which has just been received.
T
SLCL
T
SLCH
T
CHCL
T
CLCH
MOSI
(input)
SCK
(SSCPOL= 0)
(input)
SS
(input)
SCK
(SSCPOL= 1)
(input)
MISO
(output)
T
CHCH
T
CLCX
T
CHCX
T
IVCL
T
CLIX
T
CHIX
T
IVCH
T
CHOV
T
CLOV
T
CHOX
T
CLOX
MSB IN BIT 6 LSB IN
SLAVE MSB OUT SLAVE LSB OUT BIT 6
T
SLOV
(1)
T
SHOX
T
SHSL
T
CHSH
T
CLSH
T
CHCL
T
CLCH
MOSI
(input)
SCK
(SSCPOL= 0)
(input)
SS
(input)
SCK
(SSCPOL= 1)
(input)
MISO
(output)
T
CHCH
T
CLCX
T
CHCX
T
IVCL
T
CLIX
T
CHIX
T
IVCH
T
CLOV
T
CHOV
T
CLOX
T
CHOX
MSB IN BIT 6 LSB IN
SLAVE MSB OUT SLAVE LSB OUT BIT 6
T
SLOV
(1)
T
SHOX
T
SHSL
T
CHSH
T
CLSH
T
SLCL
T
SLCH