ISL5239KIZ【PDF 27/31 页】IC LINEARIZER PRE-DISTORT 196BGA

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ISL5239

TABLE 32. STATUS

TYPE: PRE-DISTORTER, ADDRESS: 0x1d

BIT

15:1

0

BIT

15:14

13:12

11:9

8

7:6

5:4

3

2

1

0

BIT

15:4

3:2

1

0

BIT

15

14:12

11:10

9:8

7:5

4

3

2

1

0

FUNCTION

Reserved

Reserved

FUNCTION

Reserved

Reserved

Reserved

Reserved

Reserved

IF Conv. Mode

Reserved

IF Conv. Status Clear

IF Conv. Bypass

IF Conv. Reset

FUNCTION

Reserved

Reserved

I Channel Saturation

Q Channel Saturation

FUNCTION

Reserved

Reserved

Reserved

Reserved

Reserved

Address Auto Increment

Real Pipeline Select

Clear Status

Bypass

Reserved

27

DESCRIPTION

Not used.

Internal use only.

TABLE 33. CONTROL

TYPE: IF CONVERTER, ADDRESS: 0x20

DESCRIPTION

Not used.

Internal use only.

Not used.

Internal use only.

Not used.

Selects the operational mode of the IF converter as:

00 - Disabled. Default mode which zeroes data into pipeline.

01 - Real x1. Real I outputs only, shifted by Fs/4.

10 - Real x2. Real samples output shifted by Fs/4. The sample on the I port is the first, earlier, sample of

the pair.

11 - Complex. Complex outputs shifted by Fs/4.

Not used.

When set high, clears the IF Conv. status bits. Set low for normal operation and to allow the status bits

to update.

When set high (default), bypasses the IF conv. stage. Set low for normal processing.

When set high, resets the IF conv. state machine. Set low (default) for normal operation.

TABLE 34. STATUS

TYPE: IF CONVERTER, ADDRESS: 0x21

DESCRIPTION

Not used.

Internal use only.

When high, indicates the IF conv. saturated at least one sample since the last control word 0x20, bit 2

command.

When high, indicates the IF conv. saturated at least one sample since the last control word 0x20, bit 2

command.

TABLE 35. CONTROL

TYPE: CORRECTION FILTER, ADDRESS: 0x28

DESCRIPTION

Not used.

Internal use only.

Not used.

Internal use only.

Not used.

Set high to automatically increment coef/address after any access operation (read/write). Low (default) is

not auto increment.

Set high to configure the filter to process muxed real data, with the values arriving on the IIN<17:0> port

in serial fashion with I following Q. Set low (default) for complex operation.

Set high to clear all status bits, low for normal status bit updates.

Set high (default) to bypass the correction filter, low to enable processing.

Not used.

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