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): 47/163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
47
Confidential
5.2.4.5
RxThreshold Register
selects thresholds for the bit decoder.
Name: RxThreshold
Address: 0x1C
Reset value: 11111111, 0xFF
7
6
5
4
3
2
1
0
MinLevel
CollLevel
Access
Rights
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Description of the bits
Bit
Symbol
Function
7-4
MinLevel
Defines the minimum signal strength at the decoder input that shall be accepted.
If the signal strength is below this level, it is not evaluated.
3-0
CollLevel
Defines the minimum signal strength at the decoder input that has to be reached
by the weaker half-bit of the Manchester-coded signal to generate a bit-collision
relatively to the amplitude of the stronger half-bit.
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