AS3911 datasheet(75/149 Pages) AMSCO

75 / 149 page

ams Datasheet, Confidential: 2013-Oct [2-03]

AS3911 – 75

Appl icatio n I n f o rm a t i o n

Receiver Configuration Register 1

Figure 57:

Receiver Configuration Register 1

Note:

Default setting is set at power-up and after Set Default command.

Address 0Ah: Receiver Configuration Register 1 (Filter

and Demodulator Settings)

Type: RW

Bit

Name

Default

Function

Comments

7ch_sel

0: Enable AM channel

1: Enable PM channel

In case only one Rx channel is

enabled in the Operation Control

enabled.

In case both channels are enabled

and manual channel selection is

active, it defines which channel is

used for receive framing.

amd_sel

0: Peak detector

1: Mixer

AM demodulator type select,

VHBR automatic preset to mixer

5lp2

Low pass control

(see Figure 13)

For automatic and other

recommended filter settings, refer

to Figure 15.

4lp1

3lp0

h200

First and third stage zero

setting

(see Figure 14)

1h80

0z12k

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