mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 39

• Manufacturer Part Number: mfrc522
• Description: Contactless Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
112132
Product data sheet
9.2.3.12 TCounterValReg
9.2.4.1 Reserved
9.2.4 Page 3: Test
Contains the current value of the timer.
Remark: The Counter value is split into two 8-bit register.
Table 99:
Table 100: Description of higher TCounterValReg bits
Table 101: TCounterValReg (Lower bits) register (address 2Fh); reset value: XXh
Table 102: Description of lower TCounterValReg bits
Functionality is reserved for further use.
Table 103: Reserved register (address 30h); reset value: 00h
Table 104: Description of Reserved register bits
Bit
7 to 0
Bit
7 to 0
Bit
7 to 0
Symbol
Access
Symbol
Access
Rights
Rights
Symbol
Access
Rights
Bit
Bit
Bit
Symbol
TCounterVal_Hi
Symbol
TCounterVal_Lo Current value of the timer, lower 8 bits.
Symbol
-
TCounterValReg (Higher bits) register (address 2Eh); reset value: XXh
7
7
7
Rev. 3.2 — 22 May 2007
6
6
6
Description
Current value of the timer, higher 8 bits.
Description
Description
Reserved for future use.
5
5
5
TCounterVal_Lo
TCounterVal_Hi
4
4
4
RFU
r
r
-
3
3
3
2
2
2
Contactless Reader IC
MFRC522
© NXP B.V. 2007. All rights reserved.
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