SLRC400 Datasheet, PDF (35/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
5.2.3.5 CoderControl Register
Name: CoderControl
Address:0x14
Reset value: 00101100, 0x2C
7
6
SendOne
0
Pulse
Access
r/w
r/w
Rights
5
4
3
CoderRate
r/w
r/w
r/w
2
1
0
TxCoding
r/w
r/w
r/w
Description of the bits
Bit
Symbol
Function
7 SendOnePulse Set to 1, forces to generate only one Mudulation (for ISO 15693 only). This is
used to switch to the next TimeSlot if the Inventory command is used.
This bit is not cleared automatically, it has to be re-set to 0 by the user.
6
0
These values shall not be changed
5-3
CoderRate This register defines the clock rate for Coder Circuit
000: RFU
001: RFU
010: RFU
011: RFU
100: RFU
101: For I?CODE1 standard mode and ISO 15693 (~52.97kHz)
110: For I?CODE1 fast mode (~26.48kHz)
111: RFU
2-0
TxCoding
This register defines the bit coding Mode and Framing during Transmission
000: RFU
001: RFU
010: RFU
011: RFU
100: For I?CODE1 standard mode (1 out of 256 coding)
101: For I?CODE1 fast mode (RZ coding)
110: For ISO 15693 standard mode (1 out of 256 coding)
111: For ISO 15693 fast mode (1 out of 4 coding)
35
Preliminary