參數(shù)資料
型號: AMC1210IRHATG4
英文描述: Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
中文描述: 四數(shù)字濾波器2階Δ-Σ調(diào)制器
文件頁數(shù): 28/47頁
文件大?。?/td> 805K
代理商: AMC1210IRHATG4
www.ti.com
Control Parameter Register (addresses 0x01, 0x07, 0x0D and 0x13)
The Control Parameter Registers control several parameters for the data acquisition process. The Control
Parameter Register functions include the Manchester decoder calibration status, clock pin direction control,
delta-sigma modulator mode select, sample-and-hold select and time measure mode.
Table 14
describes the
Control Parameter Register.
AMC1210
SBAS372A–APRIL 2006–REVISED OCTOBER 2006
BIT POSITION
7
BIT
IFL4
DESCRIPTION
Low-level interrupt flag for Filter 4
0: Comparator Filter 4 output is above the low limit threshold
1: Comparator Filter 4 output is equal to or below the low level threshold, if enabled
High-level interrupt flag for Filter 4
0: Comparator Filter 4 output is below the high limit threshold
1: Comparator Filter 4 output is equal to or above the high level threshold, if enabled
Low-level interrupt flag for Filter 3
0: Comparator Filter 3 output is above the low limit threshold
1: Comparator Filter 3 output is equal to or below the low level threshold, if enabled
High-level interrupt flag for Filter 3
0: Comparator Filter 3 output is below the high limit threshold
1: Comparator Filter 3 output is equal to or above the high level threshold, if enabled
Low-level interrupt flag for Filter 2
0: Comparator Filter 2 output is above the low limit threshold
1: Comparator Filter 2 output is equal to or below the low level threshold, if enabled
High-level interrupt flag for Filter 2
0: Comparator Filter 2 output is below the high limit threshold
1: Comparator Filter 2 output is equal to or above the high level threshold, if enabled
Low-level interrupt flag for Filter 1
0: Comparator Filter 1 output is above the low limit threshold
1: Comparator Filter 1 output is equal to or below the low level threshold, if enabled
High-level interrupt flag for Filter 1
0: Comparator Filter 1 output is below the high limit threshold
1: Comparator Filter 1 output is equal to or above the high level threshold, if enabled
6
IFH4
5
IFL3
4
IFH3
3
IFL2
2
IFH2
1
IFL1
0
IFH1
Table 14. Control Parameter Register
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MS10
MS9
MS8
MS7
MS6
MS5
MS4
MS3
MS2
MS1
MS0
CD
SHS
TM
MOD1
MOD0
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
'0'
R
R
R
R
R
R
R
R
R
R
R
RW
RW
RW
RW
RW
BIT POSITION
15–5
4
BIT
DESCRIPTION
MS10–MS0
CD
Manchester status
Input clock direction.
0: Pin CLKx is an input
1: Pin CLKx is an output. The outgoing clock comes from the modulator clock divider.
Sample-and-hold select.
0: Signal SH1 is chosen as sample-and-hold signal
1: Signal SH2 is chosen as sample-and-hold signal
Time measure mode.
0: The time is measured from the last filter update to the last rising edge of the selected
sample-and-hold signal
1: The time is measured between two rising edges of the selected sample-and-hold signal
Delta-Sigma Modulator mode.
00: The clock speed is equal to the data rate from the modulator
01: The clock rate is half of the data rate from the modulator
10: The data from the modulator is Manchester decoded
11: The clock rate is twice the data rate of the modulator
3
SHS
2
TM
1–0
MOD1–MOD0
28
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