参数资料
型号: LMP90078MHX/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封装: LEAD FREE, PLASTIC, MO-153, TSSOP-28
文件页数: 47/62页
文件大小: 1721K
代理商: LMP90078MHX/NOPB
18.3 ADC REGISTERS
ADC_RESTART: ADC Restart Conversion
(Address 0x0B)
Bit
Bit Symbol
Bit Description
[7:1] Reserved
-
0
RESTART
Restart conversion
1
: Restart conversion.
14.2.1. ADC_AUXCN: ADC Auxiliary Control
(Address 0x12)
Bit
Bit Symbol
Bit Description
7
Reserved
-
6
RESET_SYSCAL
The System Calibration registers (CHx_SCAL_OFFSET and CHx_SCAL_GAIN) are:
0 (default):
preserved even when "REG_AND_CNV_ RST" = 0xC3.
1:
reset by setting "REG_AND_CNV_ RST" = 0xC3.
5
CLK_EXT_DET
External clock detection
0 (default):
"External Clock Detection" is operational
1:
"External-Clock Detection" is bypassed
4
CLK_SEL
Clock select – only valid if CLK_EXT_DET = 1
0 (default):
Selects internal clock
1:
Selects external clock
[3:0]
RTD_CUR_SEL
(LMP90080 and LMP90078
only)
Selects RTD Current as follows:
0x0 (default):
0 A
0x1:
100 A
0x2:
200 A
0x3:
300 A
0x4:
400 A
0x5:
500 A
0x6:
600 A
0x7
: 700 A
0x8:
800 A
0x9:
900 A
0xA:
1000 A
ADC_DONE: ADC Data Available
(Address 0x18)
Bit
Bit Symbol
Bit Description
[7:0] DT_AVAIL_B
Data Available – indicates if new conversion data is available
0x00 0xFE:
Available
0xFF:
Not available
51
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