參數(shù)資料
型號(hào): CLRC632
廠商: NXP Semiconductors N.V.
英文描述: Multiple Protocol Contactless Reader IC
中文描述: 多協(xié)議非接觸式讀卡器IC
文件頁數(shù): 108/163頁
文件大小: 948K
代理商: CLRC632
Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
108
Confidential
test possibilities for the SL RC 400 using the pin MFOUT.
The following chapters describe the relevant registers used to configure and control the serial signal switch.
15.3 Registers Relevant for the Serial Signal Switch
The flags
DecoderSource
define the input signal for the internal Manchester decoder in the following way:
DecoderSource
Input Signal for Decoder
0
Constant 0
1
Output of the analog part. This is the default configuration.
2
Direct connection to MFIN, expecting an 847.5 kHz sub-carrier signal modulated
by a Manchester coded signal.
3
Direct connection to MFIN, expecting a Manchester coded signal.
Table 15-1: Values for DecoderSource
ModulatorSource
defines the signal that modulates the transmitted 13.56 MHz energy carrier. The modulated
signal drives the pins TX1 and TX2.
ModulatorSource
Input Signal for Modulator
0
Constant 0 (energy carrier off at pin TX1 and TX2).
1
Constant 1 (continuous energy carrier delivered at pin TX1 and TX2).
2
Modulation signal (envelope) from the internal coder. This is the default
configuration.
3
Direct connection to MFIN, expecting a Miller pulse coded signal.
Table 15-2: Values for ModulatorSource
MFOUTSelect
selects the output signal, which is routed to the pin MFOUT.
MFOUTSelect
Signal Routed to Pin MFOUT
0
Constant Low
1
Constant High
2
Modulation signal (envelope) from the internal coder.
3
Serial data stream that is to be transmitted
(same as for
MFOUTSelect
= 2, but not coded by the selected pulse coder yet).
4
Output signal of the receiver circuit (card modulation signal regenerated
and delayed)
5
Output signal of the subcarrier demodulator (Manchester-coded card signal)
6
RFU
7
RFU
able 15-3: Values for MFOUTSelect
To use
MFOUTSelect
, the value of test signal control bit
SignalToMFOUT
has to be 0.
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