AS3911 datasheet(97/149 Pages) AMSCO

97 / 149 page

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

AS3911 – 97

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

RFO Normal Level Definition Register

Figure 87:

RFO Normal Level Definition Register

Note:

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

External Field Detector Threshold Register

Figure 88:

External Field Detector Threshold Register

Note:

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

Address 27h: RFO Normal Level Definition Register

Type: RW

Bit

Name

Default

Function

Comments

droff7

MSB

Antenna drivers are composed of 8

binary weighted segments. Setting

a bit droff to 1 will disable

corresponding segment during

normal non-modulated operation.

6droff6

5droff5

4droff4

3droff3

2droff2

1droff1

0droff0

LSB

Address 29h: External Field Detector Threshold Register

Type: RW

Bit

Name

Default

Function

Comments

7Not used

trg_l2

Peer Detection Threshold MSB

Peer Detection Threshold.

Refer to Peer Detection

Threshold as seen on RFI1

Input.

5trg_l1

trg_l0

Peer Detection Threshold LSB

rfe_t3

Collision Avoidance Threshold MSB

Collision Avoidance Threshold.

Refer to Collision Avoidance

Threshold as seen on RFI1

Input.

2rfe_t2

1rfe_t1

rfe_t0

Collision Avoidance Threshold LSB

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