R2000 datasheet(55/75 Pages) ETC

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Indy® R2000 Electrical, Mechanical, & Thermal Specification

Addr.

Name

R/W

Bit

Description

Reset

Type

Comment

300

RX_FIR_IIR_A

R/W

13:8

7:4

3:2

Number of bits to hold IIR

Selection RX FIR filter length

Not used

Enable RX IIR filter

Enable RX FIR filter

h0000

Selection RX FIR filter

length:

0 = 36 taps

1 = 42 taps

2 = 48 taps

3 = 54 taps

4 = 60 taps

5 = 66 taps

6 = 72 taps

7 = 78 taps

8 = 84 taps

The IIR filter output is set

to zero whenever the filter

is disabled.

301-

32A

CF_COEFF_A

R/W

14:0

RX FIR filter coefficients

h0000

s0.14

Coefficients for the receive

FIR channel filter.

The coefficients are

symmetric, i.e. c0=c83.

42 registers, h222

specifies c0.

For filters shorter than 84

taps, only the coefficients

used (c0 to c#taps-1) need to

be specified.

32B

COEFF_A1_A

R/W

15:0

Bit 15:0 of IIR coefficient a1

h0000

s1.15

Denominator coefficient.

32C

COEFF_A2_A

R/W

15:0

Bit 15:0 of IIR coefficient a2

h0000

Denominator coefficient.

32D

COEFF_S1_A

R/W

15:0

Bit 15:0 of IIR coefficient s1

h0000

32E

COEFF_A1_A2_

S1_A

R/W

Bit 16 of IIR scale factor s1

Bit 16 of IIR coefficient a2

Bit 16 of IIR coefficient a1

h0000

330

RX_FIR_IIR_B

R/W

13:8

7:4

3:2

Number of bits to hold IIR

Selection RX FIR filter length

Not used

Enable RX IIR filter

Enable RX FIR filter

h0000

Selection RX FIR filter

length:

0 = 36 taps

1 = 42 taps

2 = 48 taps

3 = 54 taps

4 = 60 taps

5 = 66 taps

6 = 72 taps

7 = 78 taps

8 = 84 taps

The IIR filter output is set

to zero whenever the filter

is disabled.

331-

35A

CF_COEFF_B

R/W

14:0

RX FIR filter coefficients

h0000

s0.14

Coefficients for the receive

FIR channel filter.

The coefficients are

symmetric, i.e. c0=c83.

42 registers, h222

specifies c0.

For filters shorter than 84

taps, only the coefficients

used (c0 to c#taps-1) need to

be specified.

35B

COEFF_A1_B

R/W

15:0

Bit 15:0 of IIR coefficient a1

h0000

s1.15

Denominator coefficient.

35C

COEFF_A2_B

R/W

15:0

Bit 15:0 of IIR coefficient a2

h0000

Denominator coefficient.

35D

COEFF_S1_B

R/W

15:0

Bit 15:0 of IIR coefficient s1

h0000

35E

COEFF_A1_A2_

S1_B

R/W

Bit 16 of IIR scale factor s1

Bit 16 of IIR coefficient a2

Bit 16 of IIR coefficient a1

h0000

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