MB85RS256A Fujitsu, MB85RS256A Datasheet - Page 5

• Manufacturer Part Number: MB85RS256A
• Description: 256 K (32 K X 8) Bit SPI
• Manufacturer: Fujitsu

■ SERIAL PERIPHERAL INTERFACE (SPI)
DS501-00007-0v01-E
MB85RS256A works as a slave of SPI. More than 2 devices can be connected by using microcontroller
equipped with SPI port. By using a microcontroller not equipped with SPI port, SI and SO can be bus
connected to use.
Microcontroller
SPI
Microcontroller
System Configuration without SPI Port
System Configuration with SPI Port
SCK
MOSI
MISO
SS1
SS2
HOLD1
HOLD2
SO
CS
MB85RS256A
SI
HOLD
SO
CS
MB85RS256A
SCK
SI
HOLD
SO
CS
SCK
MB85RS256A
MOSI : Master Out Slave In
MISO : Master In Slave Out
SS
SI
HOLD
MB85RS256A
SCK
: Slave Select
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