參數(shù)資料
型號(hào): S-3531A
廠商: Seiko Instruments Inc.
英文描述: CMOS Real-Time Clock IC Supporting an IIC-Bus(支持IIC-BUS的CMOS實(shí)時(shí)時(shí)鐘芯片)
中文描述: CMOS實(shí)時(shí)時(shí)鐘IC支持一個(gè)IIC總線(支持IIC總線的實(shí)時(shí)時(shí)鐘芯片的CMOS)
文件頁(yè)數(shù): 8/31頁(yè)
文件大?。?/td> 185K
代理商: S-3531A
REAL-TIME CLOCK
S-3531A
Seiko Instruments Inc.
7
2. Command configuration
There are seven kinds of commands by which the read/write operation of various registers is performed. The table below lists
them. If you send any code other than the listed codes, the command is ignored
Table 2 Command list
C2
C1
C0
Description
Number of
ACK
0
0
0
Reset (00 (year), 01 (month), 01 (day), 0 (day of week),
00 (minute), 00 (second)) (*1)
1
0
0
1
Status register access
2
0
1
0
Real-time data access 1 (year data to)
8
0
1
1
Real-time data access 2 (hour data to)
4
1
0
0
Alarm time/frequency duty setting 1 (for INT1 terminal)
3
1
1
0
Test mode start (*2)
1
1
1
1
Test mode end (*2)
1
(*1) Don’t care the R/W bit of this command.
(*2) This command is access-disabled due to specific use for the IC test.
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