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What is Semiconductor Memory?

EEPROM I/F Features

■Pin Layout and Functions

[I2C]

BR24xxx
Pin Name Input/Output Function
SCL Input Serial Clock Input
SDA Input/Output Serial Clock Input / Output
  • Controls the EEPROM using 2 lines
  • Slave addresses can be set at each pin (A0, A1, A2).
    This allows up to 8 EEPROMs to be connected on the same bus.

[SPI]

BR25xxx
Pin Name Input/Output Function
CSB Input Chip Select Input
SCK Input Serial Clock Input
SI Input Serial Data Input
SO Output Serial Data Output
  • Controls the EEPROM using 4 lines
  • HOLDB pin makes it possible to serial communication

[Microwire]

BR93xxx
Pin Name Input/Output Function
CS Input Chip Select Input
SK Input Serial Clock Input
DI Input Serial Data Input
DO Output Serial Data Output
  • Controls the EEPROM using 4 lines
 
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