FM25L256-S RAMTRON [Ramtron International Corporation], FM25L256-S Datasheet - Page 4

• Manufacturer Part Number: FM25L256-S
• Description: 256Kb FRAM Serial 3V Memory - Extended Temp
• Manufacturer: RAMTRON [Ramtron International Corporation]

SPI Mode 0: CPOL=0, CPHA=0
SPI Mode 3: CPOL=1, CPHA=1
Rev. 2.3
March 2007
Microcontroller
SPI
SCK
MOSI
MISO
SS1
SS2
HOLD1
HOLD2
7
Figure 3. System Configuration without SPI port
Microcontroller
Figure 2. System Configuration with SPI port
7
6
SO
6
CS
Figure 4. SPI Modes 0 & 3
FM25L256
5
SI
HOLD
P1.0
P1.1
P1.2
5
SCK
4
4
3
SO
C S
FM25 L256
3
SO
SI
CS
FM25L256
2
HOLD
SI SCK
SCK
2
HOLD
1
MOSI : Master Out Slave In
MISO : Master In Slave Out
SS : Slave Select
1
FM25L256 Extended Temp.
0
0
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