FlashFlex MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
Data Sheet
6.2.3 SPI Transfer Formats
SCK Cycle #
(for reference)
1
2
3
4
5
6
7
8
SCK (CPOL=0)
SCK (CPOL=1)
MOSI
MSB
6
5
4
3
2
1
LSB
LSB
(from Master)
MISO
(from Slave)
MSB
6
5
4
3
2
1
SS# (to Slave)
1273 F17.0
FIGURE 1: SPI Transfer Format with CPHA = 0
SCK Cycle #
(for reference)
1
2
3
4
5
6
7
8
SCK (CPOL=0)
SCK (CPOL=1)
MOSI
MSB
MSB
6
5
4
4
3
3
2
2
1
1
LSB
(from Master)
MISO
(from Slave)
6
5
LSB
SS# (to Slave)
1273 F18.0
FIGURE
6-5: SPI Transfer Format with CPHA = 1
©2007 Silicon Storage Technology, Inc.
S71273-03-000
1/07
44
SST [ SILICON STORAGE TECHNOLOGY, INC ]
