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ISL5239
TABLE 36. COEFFICIENT INDEX
TYPE: CORRECTION FILTER, ADDRESS: 0x29
BIT
15:8
7:0
BIT
15:0
BIT
15:4
3:2
1
0
BIT
15:8
8
7:4
3
2
1
0
FUNCTION
Reserved
Coefficient Address
FUNCTION
Coefficient Data
FUNCTION
Reserved
Reserved
I Channel Saturation
Q Channel Saturation
FUNCTION
Reserved
Reserved
Output Word Width
Output Format
Status clear
Bypass
Reserved
28
DESCRIPTION
Not used.
Pointer to current LUT location. Default is 0. 0x00-0x7F are I coefficients, 0x80-0xff are Q coefficients.
Master register to slave register transfer occurs after the processor interface last write to the Q
coefficient. The circuit uses the slave registers. All reads are from the slave register values. There are
13 each I and Q coefficients.
TABLE 37. COEFFICIENT VALUE
TYPE: CORRECTION FILTER, ADDRESS: 0x2a
DESCRIPTION
Coefficient data access. Default = 0, non centered coef. Default = 1 - 2 (1-15) centered coef.
TABLE 38. STATUS
TYPE: CORRECTION FILTER, ADDRESS: 0x2b
DESCRIPTION
Not used.
Internal use only.
When high indicates the correction filter saturated at least one sample since the last control word 0x28,
bit 2 command.
When high indicates the correction filter saturated at least one sample since the last control word 0x28,
bit 2 command.
TABLE 39. CONTROL
TYPE: OUTPUT DATA CONDITIONER, ADDRESS: 0x30
DESCRIPTION
Not used.
Internal use only.
Select the width of the output data bus IOUT<17:0> and QOUT<17:0>.
0000 - 8 bits
0001 - 9 bits
0010 - 10 bits
0011 - 11 bits
0100 - 12 bits
0101 - 13 bits
0110 - 14 bits
0111 - 15 bits
1000 - 16 bits
1001 - 17 bits
1010 - 18 bits (default)
Set high to select offset binary, low to select 2’s compliment.
Set high to clear all status bits, low to enable bits to be active.
Set high (default) to bypass, low to enable output processing.
Not used.
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