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CLRC663 Datasheet(PDF) 82 Page - NXP Semiconductors |
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CLRC663 Datasheet(HTML) 82 Page - NXP Semiconductors |
82 / 132 page ![]() 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 Access rights dy 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 Access rights dy 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 Access rights dy w r/w r/w r/w r/w r/w |
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