htrc11001t/03ee NXP Semiconductors, htrc11001t/03ee Datasheet - Page 10

• Manufacturer Part Number: htrc11001t/03ee
• Description: Hitag Reader Chip
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 12.
037031
Product data sheet
PUBLIC
Bit name
FILTERL
FILTERH
GAIN0
GAIN1
TXDIS
HYSTERESIS
PD
PD_MODE
FREEZE0
FREEZE1
ACQAMP
THRESET
FSEL0
FSEL1
DISSMARTCOMP
DISPL1
Bit initial conditions
10.7 SET_CONFIG_PAGE
This command is used to set the amplifier and filter parameters (cutoff frequencies, gain
factors) and the different operation modes. P1 and P0 select one of four configuration
pages.
Table 10.
Table 11.
Bit No.
Command 0
Bit No.
Command/Page no.
SET_CONFIG_PAGE 0
SET_CONFIG_PAGE 1
SET_CONFIG_PAGE 2
SET_CONFIG_PAGE 3
Description
main low pass cutoff frequency
main high pass cutoff frequency
amplifier_0 gain factor
amplifier_1 gain factor
disable coil driver
data comparator hysteresis
power down mode enable
select power down mode
facility to achieve fast setting times
facility to achieve fast setting times
store signal amplitude as reference for later
amplitude comparison
reset threshold generation of digitizer
clock frequency select LSB
clock frequency select MSB
disable smart comparator
disable low pass 1
SET_CONFIG_PAGE command
Config pages
7
All information provided in this document is subject to legal disclaimers.
6
1
Rev. 3.1 — 9 February 2010
5
P1
P1
0
0
1
1
4
P0
P0
1
0
1
0
037031
3
D3
D3
GAIN1
PD_MODE
THRESET
DIPSL1
2
D2
Initial
condition
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
01
D2
GAIN0
PD
ACQAMP
DISSMART-
COMP
0
D0
Remark
no response
0: fL = 3 kHz
1: fL = 6 kHz
0: fH = 40 Hz
1: fH = 160 Hz
0: gain
0: gain
0: coil driver active
1: coil driver inactive
0: hysteresis OFF
1: hysteresis ON
1: device power down
0: idle mode
1: power down
see status bit AMPCOMP
00: 4 MHz, 01: 12 MHz
10: 8 MHz, 11: 16 MHz
0: smart comparator = ON
1: smart comparator = OFF
1: low pass = OFF
0: device active
see
see
0: low pass = ON
Table 13
Table 13
D1
FILTERH
HYSTERESIS TXDIS
FREEZE1
FSEL1
0
1
= 16; 1: gain
= 6.22; 1: gain
HTRC110
HITAG reader chip
© NXP B.V. 2010. All rights reserved.
0
D0
FILTERL
FREEZ0
FSEL0
= 32
1
= 31.5
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