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參數(shù)資料
| 型號： | EM6821TQ52B |
| 英文描述： | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0°C to 70°C; Package: 8-EPSOIC |
| 中文描述： | 微控制器 |
| 文件頁數(shù)： | 30/69頁 |
| 文件大小： | 852K |
| 代理商： | EM6821TQ52B |
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EM6821
10/01, Revision A/386
Copyright
2001, EM Microelectronic-Marin SA
36
www.emmicroelectronic.com
Table 8.7.3 Register RegCCntl2
Bit
Name
Reset
R/W
Description
3
Start
0
R/W
Start/Stop control
2
EvCount
0
R/W
Event counter enable
1
EnComp
0
R/W
Enable comparator
0
Load
0
R/W
Write: load counter register;
Read: always 0
Default : Stop, no event count, no comparator, no load
Table 8.7.4 Register RegSysCntl1
Bit
Name
Reset
R/W
Description
3
IntEn
0
R/W
General interrupt enable
2
SLEEP
0
R/W
Sleep mode
1
SelIntFull
0
R/W
Compare Interrupt select
0
ChTmDis
0
R/W
For EM test only
Default : Interrupt on limited bit compare
Table 8.7.5 Register RegCDataL, Counter/Compare Low Data Nibble
Bit
Name
Reset
R/W
Description
3
CReg[3]
0
W
Counter data bit 3
2
CReg[2]
0
W
Counter data bit 2
1
CReg[1]
0
W
Counter data bit 1
0
CReg[0]
0
W
Counter data bit 0
3
Count[3]
0
R
Data register bit 3
2
Count[2]
0
R
Data register bit 2
1
Count[1]
0
R
Data register bit 1
0
Count[0]
0
R
Data register bit 0
Table 8.7.6 Register RegCDataM, Counter/Compare Middle Data Nibble
Bit
Name
Reset
R/W
Description
3
CReg[7]
0
W
Counter data bit 7
2
CReg[6]
0
W
Counter data bit 6
1
CReg[5]
0
W
Counter data bit 5
0
CReg[4]
0
W
Counter data bit 4
3
ShCount[7]
0
R
Data register bit 7
2
ShCount[6]
0
R
Data register bit 6
1
ShCount[5]
0
R
Data register bit 5
0
ShCount[4]
0
R
Data register bit 4
Table 8.7.7 Register RegCDataH, Counter/Compare High Data Nibble
Bit
Name
Reset
R/W
Description
3
BitSel[1]
0
R/W
Bit select for limited bit count/compare
2
BitSel[0]
0
R/W
Bit select for limited bit count/compare
1
CReg[9]
0
W
Counter data bit 9
0
CReg[8]
0
W
Counter data bit 8
1
ShCount[9]
0
R
Data register bit 9
0
ShCount[8]
0
R
Data register bit 8
Table 8.7.8 Counter Length Selection
BitSel[1]
BitSel[0 ]
counter length
0
10-Bit
01
8-Bit
10
6-Bit
11
4-Bit
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