FM25C160B - 16Kb 5V SPI F-RAM
SCK
MOSI
MISO
SPI
Microcontroller
SS1
SS2
HOLD1
HOLD2
SO SI SCK
FM25C160B
CS HOLD
SO SI SCK
FM25C160B
CS HOLD
MOSI: Master Out, Slave In
MISO: Master In, Slave Out
SS: Slave Select
Figure 2. System Configuration with SPI port
Microcontroller
SO SI SCK
FM25C160B
CS HOLD
Figure 3. System Configuration without SPI port
SPI Mode 0: CPOL=0, CPHA=0
7
6
5
4
3
2
1
0
SPI Mode 3: CPOL=1, CPHA=1
7
6
5
4
3
2
1
0
Figure 4. SPI Modes 0 & 3
Document Number: 001-84472 Rev. *A
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