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AS3911 Datasheet(PDF) 13 Page - ams AG

Part # AS3911
Description  NFC Initiator / HF Reader IC
PDF  159 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3911 Datasheet(HTML) 13 Page - ams AG

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ams Datasheet
Page 13
[v2-11] 2016-Jun-13
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AS3911 − Detailed Description
The circuit diagram in Figure 2 shows the AS3911 building
blocks.
Figure 12:
Minimum Configuration with Single Sided Antenna Driving Including EMC Filter
Figure 13:
Minimum Configuration with Differential Antenna Driving Including EMC Filter
Detailed Description
μC
VDD
/SS
MISO
MOSI
SCLK
IRQ
MCU_CLK
RF01
RF02
RFI1
RFI2
Antenna
Coil
TRIM1_x
TRIM2_x
CSO
CSI
AGD
VSS
VSP_A
VSP_RF
VSN_RF
VSN_A
VDD_IO
XTI
XTO
+1.6V ~ +5.5V
AS3911
+2.4V ~ +5.5V
VSP_D
VSN_D
VDD
/SS
MISO
MOSI
SCLK
IRQ
MCU_CLK
RF01
RF02
RFI1
RFI2
Antenna
Coil
TRIM1_x
TRIM2_x
CSO
CSI
AGD
VSS
VSP_A
VSP_RF
VSN_RF
VSN_A
VDD_IO
XTI
XTO
+1.6V ~ +5.5V
AS3911
+2.4V ~ +5.5V
VSP_D
VSN_D
µC



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