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): 37/163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
37
Confidential
5.2.2.8
BitFraming Register
Adjustments for bit oriented frames.
Name: BitFraming
Address: 0x0F
Reset value: 00000000, 0x00
7
6
5
4
3
2
1
0
0
RxAlign
0
TxLastBits
Access
Rights
r/w
dy
dy
dy
r/w
dy
dy
dy
Description of the bits
Bit
Symbol
Function
7
0
Reserved for future use
6-4
RxAlign
Used for reception of bit oriented frames:
RxAlign
defines the bit position for the
first bit received to be stored in the FIFO. Further received bits are stored in the
following bit positions.
After reception,
RxAlign
is cleared automatically.
Example:
RxAlign = 0:
the LSB of the received bit is stored at bit 0,
second received bit is stored at bit position 1
RxAlign = 1:
the LSB of the received bit is stored at bit 1,
second received bit is stored at bit position 2
at bit position 0
RxAlign = 7:
the LSB of the received bit is stored at bit 7,
second received bit is stored in the following byte
3
0
reserved for future use
2-0
TxLastBits
Used for transmission of bit oriented frames:
TxLastBits
defines the number of
bits of the last byte that shall be transmitted. A 000 indicates that all bits of the last
byte shall be transmitted.
After transmission,
TxLastBits
is cleared automatically.
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