SST89V54RD2 Silicon Storage Technology, Inc., SST89V54RD2 Datasheet - Page 43

• Manufacturer Part Number: SST89V54RD2
• Description: Flashflex51 Mcu
• Manufacturer: Silicon Storage Technology, Inc.

FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
6.2.3 SPI Transfer Formats
©2007 Silicon Storage Technology, Inc.
FIGURE
FIGURE
SCK (CPOL=0)
SCK (CPOL=1)
SCK (CPOL=0)
SCK (CPOL=1)
SS# (to Slave)
SS# (to Slave)
(for reference)
(for reference)
(from Master)
(from Master)
SCK Cycle #
SCK Cycle #
(from Slave)
(from Slave)
MOSI
MISO
6-5: SPI Transfer Format with CPHA = 0
6-6: SPI Transfer Format with CPHA = 1
MOSI
MISO
MSB
MSB
1
MSB
MSB
1
2
6
6
2
6
6
3
5
5
3
5
5
43
4
4
4
4
4
4
5
3
3
5
3
3
6
2
2
6
2
2
7
1
1
7
1
1
LSB
LSB
8
LSB
8
LSB
S71255-10-000
1255 F20.0
1255 F21.0
Data Sheet
12/07