參數(shù)資料
型號: MFRC53101T
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡(luò)
英文描述: ISO-IEC 14443 reader IC
封裝: MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 51, 2004,;MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<
文件頁數(shù): 69/116頁
文件大?。?/td> 862K
代理商: MFRC53101T
MFRC531_34
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.4 — 26 January 2010
056634
69 of 116
NXP Semiconductors
MFRC531
ISO/IEC 14443 reader IC
10.5.6.4
TimerControl register
Selects start and stop conditions for the timer.
Table 112. TimerControl register (address: 2Bh) reset value: 0000 0110b, 06h bit allocation
Bit
7
6
5
4
3
Symbol
0000
TStopRxEnd
Access
R/W
R/W
Table 113. TimerControl register bit descriptions
Bit
Symbol
7 to 4 0000
3
TStopRxEnd
10.5.6.5
TimerReload register
Defines the preset value for the timer.
Table 114. TimerReload register (address: 2Ch) reset value: 0000 1010b, 0Ah bit allocation
Bit
7
6
5
Symbol
TReloadValue[7:0]
Access
Table 115. TimerReload register bit descriptions
Bit
Symbol
7 to 0 TReloadValue[7:0]
2
1
0
TStopRxBegin
R/W
TStartTxEnd
R/W
TStartTxBegin
R/W
Value
-
1
0
1
0
1
Description
these values must not be changed
the timer automatically stops when data reception ends
the timer is not influenced by this condition
the timer automatically stops when the first valid bit is received
the timer is not influenced by this condition
the timer automatically starts when data transmission ends. If
the timer is already running, the timer restarts by loading
TReloadValue[7:0] into the timer.
the timer is not influenced by this condition
the timer automatically starts when the first bit is transmitted. If
the timer is already running, the timer restarts by loading
TReloadValue[7:0] into the timer.
2
TStopRxBegin
1
TStartTxEnd
0
1
0
TStartTxBegin
0
the timer is not influenced by this condition
4
3
2
1
0
R/W
Description
on a start event, the timer loads the TReloadValue[7:0] value.
Changing this register only affects the timer on the next start event. If
TReloadValue[7:0] is set to logic 0 the timer cannot start.
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