AT80251G2D_14 Datasheet, PDF (57/77 Pages) ATMEL Corporation – Compare and Conditional Jump Instructions

AT/TSC8x251G2D
Waveforms
Figure 19. SPI Master Waveforms (SSCPHA = 0)
Note:
SS#⁽¹⁾
(output)
SCK
(SSCPOL = 0)
(output)
SCK
(SSCPOL = 1)
(output)
MISO
(input)
MOSI
(output) ^{Port Data}
1. SS# handled by software.
T_CHCH
T_CHCX T_CLCX
T_IVCH T_CHIX
T_IVCL T_CLIX
MSB IN
MSB OUT
BIT 6
T_CLOV
T_CHOV
BIT 6
T_CLCH
T_CHCL
LSB IN
LSB OUT
Figure 20. SPI Master Waveforms (SSCPHA = 1)
T_CLOX
T_CHOX
Port Data
Note:
SS#⁽¹⁾
(output)
SCK
(SSCPOL = 0)
(output)
SCK
(SSCPOL = 1)
(output)
T_CHCH
T_CHCX T_CLCX
T_IVCH T_CHIX
T_IVCL T_CLIX
MISO
(input)
MOSI
(output)
Port Data
MSB IN
T_CLOV
T_CHOV
MSB OUT
1. Not Defined but normally MSB of character just received.
BIT 6
T_CLOX
T_CHOX
BIT 6
T_CLCH
T_CHCL
LSB IN
LSB OUT
Port Data
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4135F–8051–11/06