S-35190A-T8T1G 参数 Datasheet PDF下载

3-WIRE REAL-TIME CLOCK

S-35190A

Rev.2.4^_00

Configuration of Data Communication

1. Configuration of data communication

After setting the CS pin “H”, transmit the 4-bit fixed code “0110”, after that, transmit a 3-bit command and 1-bit Read/Write

command. Next, data is output or input from B7. Regarding details, refer to “ Serial Interface”.

Read/Write bit

Fixed code

Command

R / W

1-byte data

B4 B3

Figure 13 Data Communication

Seiko Instruments Inc.

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