SLRC400 Datasheet, PDF (34/130 Pages) NXP Semiconductors – I·CODE Reader IC

Philips Semiconductors
I•CODE Reader IC
Product Specification Rev. 2.0 November 2001
SL RC400
5.2.3.3 CwConductance Register
Selects the conductance of the antenna driver pins TX1 and TX2.
Name: CwConductance
Address: 0x12
Reset value: 00111111, 0x3F
7
6
5
4
3
2
1
0
0
0
GsCfgCW
Access
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Rights
Description of the bits
Bit
Symbol
7-6
00
5-0
GsCfgCW
Function
These values shall not be changed
The value of this register defines the conductance of the output driver. This may
be used to regulate the output power and subsequently current consumption and
operating distance.
For detailed information about GsCfgCW see 13.2.1
5.2.3.4 ModConductance Register
Name: ModConductance
Address: 0x13
Reset value: 00000101, 0x05
7
6
5
4
3
2
1
0
0
0
GsCfgMod
Access
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
Rights
Description of the bits
Bit
Symbol
7-6
00
5-0
GsCfgMod
Function
These values shall not be changed
The value of this register defines the conductance of the output driver for the time
of modulation. This may be used to regulate the modulation index.
For detailed information about GsCfgMod see 13.3
34
Preliminary