AS3910-BQFP AMSCO [austriamicrosystems AG], AS3910-BQFP Datasheet - Page 26

• Manufacturer Part Number: AS3910-BQFP
• Description: 13.56 MHz RFID Reader IC, ISO-14443 A/B
• Manufacturer: AMSCO [austriamicrosystems AG]

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 14. Configuration Register 4
Note: Default setting is set at power up and after Set Default command.
Table 15. Configuration Register 5
Note: Default setting is set at power up and after Set Default command.
www.austriamicrosystems.com/HF_RFID_Reader/AS3910
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Name
sof_0
sof_1
egt2
egt1
egt0
eof
egt
Address # 04: Configuration Register 4 (ISO-14443B)
Name
fifo_lr
fifo_lt
pmd
am
Address # 05: Configuration Register 5
Def.
0
0
0
0
0
0
0
Def.
0
0
0
0
0 → 10 etu, 1 → 11 etu
0 → 2 etu, 1 → 3 etu
0 → 10 etu, 1 → 11 etu
0 → no EGT after last character,
1 → EGT after each character
Not used
egt2
0
0
1
1
-
-
1 → PM demodulation
0 → AM demodulation
0 → OOK, 1 → AM
Not used
0 → 28, 1 → 24
0 → 4, 1 → 8
Not used
egt1
0
0
1
1
-
-
Function
Function
egt0
0
1
0
1
-
-
Revision 2.3
number of EGT
0
1
6
6
-
-
AM/PM demodulation selection
Valid for Transparent mode. For ISO-14443 and
NFC modes, modulation type is set automatically
(ISO-14443A and NFC is OOK, ISO-14443B is AM)
(see Table 26)
FIFO water level for receive
FIFO water level for transmit
EGT time defined in number of etu
SOF, number of etu with logic 0 (10 or 11)
SOF, number of etu with logic 1 (2 or 3)
EOF, number of etu with logic 0 (10 or 11)
Comments
Comments
type: RW
type: RW
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