Product data
MFRC631 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.3 — 4 February 2014
227433 72 of 120
NXP Semiconductors
MFRC631
High performance ISO/IEC 14443 A/B reader solution
9.7.2.3 T0CounterValHi
High byte of the counter value of Timer0.
9.7.2.4 T0CounterValLo
Low byte of the counter value of Timer0.
9.7.2.5 T1Control
Control register of the Timer1.
Table 76. T0ReloadLo bits
Bit Symbol Description
7 to0 T0ReloadLo Defines the low byte of the reload value of the timer. With the start
event the timer loads the value of the T0ReloadValHi, T0ReloadValLo.
Changing this register affects the timer only at the next start event.
Table 77. T0CounterValHi register (address 12h)
Bit 7 6 5 4 3 2 1 0
Symbol T0CounterValHi
Access
rights
dy
Table 78. T0CounterValHi bits
Bit Symbol Description
7to0 T0Counter
ValHi
High byte value of the Timer0.
This value shall not be read out during reception.
Table 79. T0CounterValLo register (address 13h)
Bit 7 6 5 4 3 2 1 0
Symbol T0CounterValLo
Access
rights
dy
Table 80. T0CounterValLo bits
Bit Symbol Description
7 to 0 T0CounterValLo Low byte value of the Timer0.
This value shall not be read out during reception.
Table 81. T1Control register (address 14h);
Bit 7 6 5 4 3 2 1 0
Symbol T1StopRx - T1Start T1AutoRestart - T1Clk
Access
rights
r/w RFU r/w r/w RFU r/w