Rainbow Electronics AT75C310 - Manual (Page 106)

AT75C310
106
Data Transfer
Figure 25, Figure 26 and Figure 27 show examples of data transfers.
Figure 25. SPI Transfer Format (NCPHA Equals One, Eight Bits per Transfer)
Figure 26. SPI Transfer Format (NCPHA Equals Zero, Eight Bits per Transfer)
SPCK
(CPOL=0)
SPCK
(CPOL=1)
1 2 3 4 5 6 7
MOSI
(from master)
MISO
(from slave)
NPCSS (to slave)
SPCK cycle (for reference) 8
MSB
MSB
LSB
LSB
6
6
6
5
5
4
4
3
3
2
2
1
1 X
SPCK
(CPOL=0)
SPCK
(CPOL=1)
1 2 3 4 5 6 7
MOSI
(from master)
MISO
(from slave)
NPCSS (to slave)
SPCK cycle (for reference) 8
MSB
MSB
LSB
LSB
6
6
6
5
5
4
4
3
3
2
2
1
1 X