FM25CL64B Ramtron, FM25CL64B Datasheet - Page 4

• Manufacturer Part Number: FM25CL64B
• Description: 3V F-RAM Memory
• Manufacturer: Ramtron

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SPI Mode 0: CPOL=0, CPHA=0
SPI Mode 3: CPOL=1, CPHA=1
Rev. 1.2
Feb. 2011
Microcontroller
SPI
SCK
MOSI
MISO
SS1
SS2
HOLD1
HOLD2
7
Figure 3. System Configuration without SPI port
Figure 2. System Configuration with SPI port
7
6
SO
6
FM25CL64B
CS
Figure 4. SPI Modes 0 & 3
5
SI
HOLD
5
SCK
4
4
3
3
SO
FM25CL64B
CS
2
SI SCK
2
HOLD
FM25CL64B - 64Kb 3V SPI F-RAM
1
SS : Slave Select
MOSI : Master Out Slave In
MISO : Master In Slave Out
1
0
0
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