MB85RQ4MLPF-G Datasheet, PDF (3/36 Pages) Fujitsu Component Limited. – 4 M (512 K × 8) Bit Quad SPI

■ BLOCK DIAGRAM
SCK
CS
SI (IO0)
SO (IO1)
HOLD (IO3)
WP (IO2)
Data Register
MB85RQ4ML
FRAM Cell Array
524,288 ✕ 8
Sense Amp/Write Amp
FRAM
Status Register
■ SPI MODE
MB85RQ4ML corresponds to the SPI mode 0 (CPOL = 0, CPHA = 0) , and SPI mode 3 (CPOL = 1, CPHA = 1) .
CS
SCK
SI
CS
SCK
SI
7
6
5
4
3
2
1
0
MSB
SPI Mode 0
LSB
7
6
5
4
3
2
1
0
MSB
LSB
SPI Mode 3
DS501-00043-2v0-E
3