参数资料
型号: RTC-7301SFB
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO24
封装: SSOP-24
文件页数: 4/28页
文件大小: 274K
代理商: RTC-7301SFB
RTC - 7301 SF / DG
Page - 9
MQ332-05
6-2-3. CS1 control registers ( Bank1, Reg-B )
Address
Register
bit 3
bit 2
bit 1
bit 0
B
CS1 control
CTEMP
CDT_ON
The CS 1 control register CTEMP bit selects whether or not to link the temperature sensor operation with the logic
status of each CS1 pin.
The CDT_ON bit selects whether or not to link the digital pace adjustment function (called
digital offset below) with the logic status of each CS1 pin.
CTEMP bit
Setting CTEMP to "0" will operate the temperature sensor only when the CS1 pin is “H.”
Setting CTEMP to "1" will operate the temperature sensor regardless of the CS1 pin.
(A separate TEMP bit setting is necessary for the operation of the temperature sensor.)
Note) Set to [CTEMP bit = “0”] because there is no temperature sensor output for the RTC-7301DG.
CDT_ON bit
Setting CDT_ON to “0” will operate the digital offset only when the CS1 pin is “H.”
Setting CDT_ON to “1” will operate the digital offset regardless of the CS1 pin.
(A separate DT_ON bit setting is necessary for the operation of the digital offset.)
Digital Offset
ON
CS1 PIN
Internal CS1
Sensor ON
CTEMP bit
TEMP bit
CDT_ON bit
DT_ON bit
Only
RTC-7301SF
Function operating tables
1 ) Temperature sensor
CS1 Pin
CTEMP bit
TEMP bit
Temperature
sensor
Χ
0
Stops
L
0
1
Stops
H
0
1
Runs
L
1
Runs
H
1
Runs
Note) This function does not operate because there is no temperature sensor function on the RTC-7301DG.
2 ) Digital offset
CS1 Pin
CDT_ON bit
DT_ON bit
Digital offset
Χ
0
Stops
L
0
1
Stops
H
0
1
Runs
L
1
Runs
H
1
Runs
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