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CLRC663 Datasheet(PDF) 82 Page - NXP Semiconductors

Part No. CLRC663
Description  Contactless reader IC
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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CLRC663 Datasheet(HTML) 82 Page - NXP Semiconductors

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CLRC663
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 3 April 2012
171133
82 of 132
NXP Semiconductors
CLRC663
Contactless reader IC
9.7.2.18
T3CounterValHi
High byte of the current counter value the 16-bit Timer3.
9.7.2.19
T3CounterValLo
Low byte of the current counter value the 16-bit Timer3.
9.7.2.20
T4Control
The wake-up timer T4 activates the system after a given time. It can start a low-power
card detection
Table 112. T3ReloadLo bits
Bit
Symbol
Description
7 to 0
T3ReloadLo
Defines the low byte of the reload value of Timer3. With the start event
the timer load the value of the T3ReloadValHi and T3RelaodValLo.
Changing this register affects the timer only at the next start event.
Table 113. T3CounterValHi register (address 21h)
Bit
7
6
5
4
3
2
1
0
Symbol
T3CounterHi
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Table 114. T3CounterValHi bits
Bit
Symbol
Description
7 to 0
T3Counter
ValHi
High byte of the current counter value of Timer3.
This value shall not be read out during reception.
Table 115. T3CounterValLo register (address 22h)
Bit
7
6
5
4
3
2
1
0
Symbol
T3CounterValLo
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Table 116. T3CounterValLo bits
Bit
Symbol
Description
7 to 0
T3Counter
ValLo
Low byte current counter value of Timer3.
This value shall not be read out during reception.
Table 117. T4Control register (address 23h)
Bit
7
6
5
4
3
2
1
0
Symbol
T4Running
T4Start
StopNow
T4Auto
Trimm
T4Auto
LPCD
T4Auto
Restart
T4AutoWakeUp
T4Clk
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dy
w
r/w
r/w
r/w
r/w
r/w


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