AS3910-BQFP AMSCO [austriamicrosystems AG], AS3910-BQFP Datasheet - Page 27
![no-image](/images/no-image-200.jpg)
AS3910-BQFP
Manufacturer Part Number
AS3910-BQFP
Description
13.56 MHz RFID Reader IC, ISO-14443 A/B
Manufacturer
AMSCO [austriamicrosystems AG]
Datasheet
1.AS3910-BQFP.pdf
(47 pages)
- Current page: 27 of 47
- Download datasheet (2Mb)
AS3910
Data Sheet - A p p l i c a t i o n I n f o r m a t i o n
Table 16. Receiver Configuration Register
Note: Default setting is set at power up and after Set Default command, filter selection bits are preset also when ISO mode or receive data
www.austriamicrosystems.com/HF_RFID_Reader/AS3910
Bit
7
6
5
4
3
2
1
0
rate change.
agc_en
Name
agc_m
rg2
rg1
rg0
fs2
fs1
fs0
Def.
0
0
0
0
0
0
0
0
Address # 06: Receiver Configuration Register
1 → AGC operate on first eight subcarrier pulses
0 → AGC operate during complete receive period
1 → AGC is enabled
rg2
fs2
0
0
1
0
0
0
0
1
1
1
-
-
rg1
fs1
0
0
1
0
0
1
1
0
1
1
-
-
rg0
fs0
0
1
1
0
1
0
1
0
0
1
-
-
ISO-14443A 106 kb/s
ISO-14443B 106 kb/s
ISO-14443A/B 212 kb/s
ISO-14443A/B 424 kb/s
ISO-14443A/B 848 kb/s
424/484 kHz subcarriers
212 kHz
Other combinations not supported or used for
block testing purposes
Filter Selection
Function
Revision 2.3
Gain reduction
21 dB
3 dB
0
-
-
Automatic preset
Automatic preset
Automatic preset
Automatic preset
Automatic preset
No automatic preset
No automatic preset
Comment
AGC operation mode
Gain reduction in 3dB steps. From 0
to 21dB.
Filter selection is automatically set
when ISO mode or receive data rate
change (Change of ISO mode
definition register). After automatic
preset filter, selection can be
changed by writing these bits.
Comments
type: RW
27 - 47
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