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 74 of 120
NXP Semiconductors
MFRC631
High performance ISO/IEC 14443 A/B reader solution
9.7.2.8 T1CounterValHi
High byte (MSB) of the counter value of byte Timer1.
9.7.2.9 T1CounterValLo
Low byte (LSB) of the counter value of byte Timer1.
9.7.2.10 T2Control
Control register of the Timer2.
Table 86. T1ReloadValLo bits
Bit Symbol Description
7 to 0 T1ReloadLo Defines the low byte of the reload value of the Timer1. Changing this
register affects the timer only at the next start event.
Table 87. T1CounterValHi register (address 17h)
Bit 7 6 5 4 3 2 1 0
Symbol T1CounterValHi
Access
rights
dy
Table 88. T1CounterValHi bits
Bit Symbol Description
7 to 0 T1Counter
ValHi
High byte of the current value of the Timer1.
This value shall not be read out during reception.
Table 89. T1CounterValLo register (address 18h)
Bit 7 6 5 4 3 2 1 0
Symbol T1CounterValLo
Access
rights
dy
Table 90. T1CounterValLo bits
Bit Symbol Description
7 to 0 T1Counter
ValLo
Low byte of the current value of the counter 1.
This value shall not be read out during reception.
Table 91. T2Control register (address 19h)
Bit 7 6 5 4 3 2 1 0
Symbol T2StopRx - T2Start T2AutoRestart - T2Clk
Access
rights
r/w RFU r/w r/w RFU r/w