AS3900 datasheet(45/59 Pages) AMSCO

номер детали	AS3900

подробное описание детали	27MHz Low Power Star Network Transceiver

PDF	59 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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45 / 59 page

www.austriamicrosystems.com/RF-Transceivers/AS3900

Revision 1.00c

45 - 59

AS3900

Data Sheet - Detail ed Description

0x21

reserved

[7:6]

R/W

reserved

f200

[5]

Filter upper frequency limit selection from 165kHz to 210kHz. Need to be

manually set if datarate is set to 212kbps for Master and Client.

Datarate less than 212 kbit/sec

Datarate 212 kbit/sec

bat<1:0>

[4:3]

Battery level with hysteresis of ±40mV for Master and Client

Threshold 2.0V

Threshold 2.2V

Threshold 2.4V

Threshold 2.6V

singl

[2]

Disables second output driver and shorts pin RF2OUT to GND for Master

and Client

Disabled

Enabled

half

[1]

Power Amplifier Output Impedance at pin RF1OUT and RF2OUT

Output Impedance is 12.5

Output Impedance is 25.0

fzero

[0]

Forces both Power Amplifier Outputs to GND. The short also happens

automatically during OOK modulation in the signal OFF period.

Disabled

Enabled

0x22

reserved

[7:0]

reserved

Table 38. Main Register Bank (ADDRESS 0x00 bit<0>=0)

Address

Bit

Type

Description

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