參數(shù)資料
型號(hào)： RS5C372A
廠商： RICOH COMPANY LTD
元件分類： XO, clock
英文描述： I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
中文描述： 0 TIMER(S), REAL TIME CLOCK, PDSO8
封裝： SSOP-8
文件頁(yè)數(shù)： 25/59頁(yè)
文件大?。?/td> 442K
代理商： RS5C372A
RS5C372A/B
21
2.3 Clock Counter (at internal address 0-2h)
· Time digit display (in BCD code)
Second digits : Range from 00 to 59 and carried to minute digits when incremented from 59 to 00.
Minute digits : Range from 00 to 59 and carried to hour digits when incremented from 59 to 00.
Hour digits
: See descriptions on the 12/24 bit (Section 2.2-1).
Carried to day and day-of-the-week digits when incremented from 11 p.m. to 12 a.m. or 23 to 00.
· Any registered imaginary time should be replaced with correct time as carrying to such registered imaginary time
digits from lower-order ones cause the clock counter malfunction.
2.3-1 Second digit register (at internal address 0h)
D7
D6
D5
D4
D3
D2
D1
D0
—
S
40
S
20
S
10
S
8
S
4
S
2
S
1
0
S
40
S
20
S
10
S
8
S
4
S
2
S
1
0
Undefined Undefined Undefined Undefined Undefined Undefined Undefined
(For write operation)
(For read operation)
Default*
2.3-2 Minute digit register (at internal address 1h)
D7
D6
D5
D4
D3
D2
D1
D0
—
M
40
M
20
M
10
M
8
M
4
M
2
M
1
0
M
40
M
20
M
10
M
8
M
4
M
2
M
1
0
Undefined Undefined Undefined Undefined Undefined Undefined Undefined
(For write operation)
(For read operation)
Default*
2.3-3 Hour digit register (at internal address 2h)
D7
D6
D5
D4
D3
D2
D1
D0
—
—
P/A or H
20
H
10
H
8
H
4
H
2
H
1
0
0
P/A or H
20
H
10
H
8
H
4
H
2
H
1
0
0
Undefined Undefined Undefined Undefined Undefined Undefined
(For write operation)
(For read operation)
Default*
*
) The default means read value when XSTP bit is set to “1” by starting up from 0V, or supply voltage drop, etc.
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