參數(shù)資料
型號(hào): M41T0
廠商: 意法半導(dǎo)體
英文描述: Serial Real-Time Clock(串行實(shí)時(shí)時(shí)鐘)
中文描述: 串行實(shí)時(shí)時(shí)鐘(串行實(shí)時(shí)時(shí)鐘)
文件頁(yè)數(shù): 14/22頁(yè)
文件大?。?/td> 181K
代理商: M41T0
Clock operation
M41T0
14/22
3.3
Initial power-on defaults
Upon initial application of power to the device, the OUT Bit and OF Bit will be set to a '1,'
while the ST Bit will be set to '0.' All other Register bits will initially power-on in a random
state.
Table 3.
Register Map
(1)
1.
keys:
ST = STOP Bit
OUT = Output level
X = Don’t care
0 = Must be set to '0.'
CEB = Century Enable Bit
CB = Century Bit
OF = Oscillator Fail Bit
Address
Data
Function/range
BCD format
D7
D6
D5
D4
D3
D2
D1
D0
0
ST
10 seconds
Seconds
Seconds
00-59
1
OF
10 minutes
Minutes
Minutes
00-59
2
CEB
(2)
2.
When CEB is set to '1', CB toggles from '0' to '1' or from '1' to '0' at the turn of the century (dependent upon
the initial value set).When CEB is set to '0', CB does not toggle.
CB
10 hours
Hours
Century/hours
0-1/00-23
3
X
X
X
X
X
Day
Day
01-07
4
X
X
10 date
Date
Date
01-31
5
X
X
X
10 M.
Month
Month
01-12
6
10 years
Years
Year
00-99
7
OUT
0
X
X
X
X
X
X
Control
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