參數(shù)資料
型號(hào): PN531
廠商: NXP Semiconductors N.V.
英文描述: Zener Diode; Application: General; Pd (mW): 400; Vz (V): 7.5 to 7.9; Condition Iz at Vz (mA): 5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: MHD
中文描述: レ基于C傳輸模塊
文件頁數(shù): 14/19頁
文件大?。?/td> 246K
代理商: PN531
Philips Semiconductors Objective Short Form Specification Rev. 2.0 February 2004
PN531
μC based Transmission module
5 TYPICAL APPLICATION
5.1 Circuit Diagram
5.1.1 CIRCUIT BASED ON SPI, SERIAL UART OR I2C HOST INTERFACE
The figure below shows a typical application, where the antenna is directly connected to the PN531. The
used host interface is SPI, Serial UART or I2C.
C
L
C
C
C
L
Rx
L
Antenna Coil
R
R
PN531
Tx1
Tx2
TVSS1
Host
Host Interface
IRQ
RSTOUT (o)
RSTPD (o)
DVDD
IRQ (o)
TVDD
AVDD
DVSS
AVSS
OSCIN
OSCOUT
27,12 MHz
VMID
SigIn
SigOut
C
C
PADVDD
PADVSS
C
C
TVSS2
VBUS
*
Figure 8: Circuit Diagram for SPI, Serial UART and I2C host interface
Note:
1. *
Can be used in the card operating mode to connect to SAM
2. (o)
Optional
14
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