STFPC320 查看數據表（PDF） - STMicroelectronics

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STFPC320

Front panel controller/driver with standby power management and real-time clock

STMicroelectronics 

STFPC320

10 SW data

SW data

The SW data are read by the appropriate read command, starting from the most significant

bit. Bits 3 through 8 (b7-b2) represent the Address pointer for the internal RAM.

Figure 20. LED byte format

MSB

LSB

b7 b6 b5 b4 b3 b2 b1 b0

SW1

SW2

Address pointer for the memory

10.1

Reading switch sequence

MSB

LSB

Data Setting Command

0

1

1

0

0

0

0

1

After sending this command, the STFPC320 will output a byte with the 2 bit values of the 2

switches and 6-bit address pointer values.

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