參數(shù)資料
型號: CLRC632
廠商: NXP Semiconductors N.V.
英文描述: Multiple Protocol Contactless Reader IC
中文描述: 多協(xié)議非接觸式讀卡器IC
文件頁數(shù): 17/163頁
文件大?。?/td> 948K
代理商: CLRC632
Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
17
Confidential
4.4
SPI compatible interface
Additionally the serial peripheral interface (SPI) will be supported. The CL RC632 acts as a slave during the
SPI communication. The SPI clock SCK has to be generated by the master. Data communication from the
master to the slave uses the line MOSI. Line MISO is used to send data back from the CL RC632 to the
master.
CL RC632
SPI Interface
ALE
NSS
A2
SCK
A1
LOW
A0
MOSI
NRD
HIGH
NWR
HIGH
NCS
LOW
D7 ... D1
do not connect
D0
MISO
Table 4-3: SPI compatible interface
The following table shows the μ-Processor connection to the CL RC632 using the SPI interface.
CL RC632
NCS
A2
A1
A0
D0
ALE
NSS
SCK
LOW
MOSI
LOW
MISO
Figure 4-4: Connection to μ-Processors with SPI
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