AS3910-BQFP AMSCO [austriamicrosystems AG], AS3910-BQFP Datasheet - Page 5

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

AS3910
Data Sheet - P i n A s s i g n m e n t s
4 Pin Assignments
Figure 2. Pin Assignments (Top View)
4.1 Pin Descriptions
Table 1. Pin Descriptions
www.austriamicrosystems.com/HF_RFID_Reader/AS3910
Pin Name
TRIM1_3
VSP_RF
VSN_RF
VSN_D
VSP_A
RFO1
RFO2
TEST
VDD
XTO
TIO
XTI
EN
Pin Number
VSN_D
VSP_A
TEST
VDD
XTO
10
11
12
13
TIO
1
2
3
4
5
6
7
8
9
XTI
EN
1
2
3
4
5
6
7
8
Digital input with pull-down
Digital input with pull-down
32
9
Digital bidirectional
31
Analog output
Analog output
Analog output
10
Analog input
Analog input
Analog I/O
Analog I/O
Pin Type
Supply
Supply
Supply
30
11
AS3910
29
12
Revision 2.3
28
13
27
14
Test IO pin
Enable input
Test input
Xtal oscillator output
Xtal oscillator input
Digital ground
Analog supply, regulator output
External positive supply
Supply, regulator output for antenna drivers
Antenna driver output
Antenna driver output
Input to trim antenna resonant circuit
Ground of antenna drivers
26
15
25
16
24
23
22
21
20
19
18
17
AGD
RFI2
RFI1
VSS
TRIM2_0
TRIM1_0
TRIM2_1
TRIM1_1
Description
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