MFRC52201HN1/TRAYB NXP [NXP Semiconductors], MFRC52201HN1/TRAYB Datasheet - Page 59

• Manufacturer Part Number: MFRC52201HN1/TRAYB
• Description: Contactless reader IC
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
MFRC522_33
Product data sheet
PUBLIC
9.3.3.12 TCounterValReg register
Remark: The reload value bits are contained in two 8-bit registers.
Table 109. TReloadReg (higher bits) register (address 2Ch); reset value: 00h bit allocation
Table 110. TReloadReg register higher bit descriptions
Table 111. TReloadReg (lower bits) register (address 2Dh); reset value: 00h bit allocation
Table 112. TReloadReg register lower bit descriptions
Contains the timer value.
Remark: The timer value bits are contained in two 8-bit registers.
Table 113. TCounterValReg (higher bits) register (address 2Eh); reset value: xxh bit
Table 114. TCounterValReg register higher bit descriptions
Table 115. TCounterValReg (lower bits) register (address 2Fh); reset value: xxh bit
Bit
Symbol
Access
Bit
7 to 0
Bit
Symbol
Access
Bit
7 to 0
Bit
Symbol
Access
Bit
7 to 0
Bit
Symbol
Access
Symbol
TReloadVal_Hi
[7:0]
Symbol
TReloadVal_Lo
[7:0]
Symbol
TCounterVal_Hi
[7:0]
allocation
allocation
7
7
7
7
Rev. 3 — 26 October 2009
6
6
6
6
Description
defines the higher 8 bits of the 16-bit timer reload value
on a start event, the timer loads the timer reload value
changing this register affects the timer only at the next start event
Description
defines the lower 8 bits of the 16-bit timer reload value
on a start event, the timer loads the timer reload value
changing this register affects the timer only at the next start event
Description
timer value higher 8 bits
112133
5
5
5
5
TCounterVal_Lo[7:0]
TCounterVal_Hi[7:0]
TReloadVal_Lo[7:0]
TReloadVal_Hi[7:0]
4
4
4
4
R/W
R/W
R
R
3
3
3
3
2
2
2
2
Contactless reader IC
MFRC522
© NXP B.V. 2009. All rights reserved.
1
1
1
1
59 of 96
0
0
0
0