CLRC632 Datasheet, PDF (53/163 Pages) NXP Semiconductors – Multiple Protocol Contactless Reader IC

Philips Semiconductors
Multiple Protocol Contactless Reader IC
5.2.5.4 CRCPresetLSB Register
LSB of the preset value for the CRC register.
Name: CRCPresetLSB
Address: 0x23
Product Specification Rev. 3.0; May 2003
CL RC632
Reset value: 01010011, 0x63
7
6
5
4
3
2
1
0
CRCPresetLSB
Access
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Rights
Description of the bits
Bit
Symbol
Function
7-0 CRCPresetLSB CRCPresetLSB defines the starting value for CRC-calculation. This value is
loaded into the CRC at the beginning of transmission, reception and the CalcCRC
Command, if the CRC calculation is enabled.
To use the ISO 15693 functionality the CRCPresetLSB Register has to be set to
0xFF.
53
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