參數(shù)資料
型號: M34559G6FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 46/93頁
文件大?。?/td> 1810K
代理商: M34559G6FP
CLRC663
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Preliminary data sheet
COMPANY PUBLIC
Rev. 3.1 — 26 September 2011
171131
56 of 126
NXP Semiconductors
CLRC663
Contactless reader IC
9.15.2 TxDataCon_Reg
2-
RFU
1
TxStartBitType Defines the type of the start-bit (0b: logic zero / 1b: logic one)
0
TxStartBitEn
If set to 1, a start-bit will be sent
Table 160: Description of TxBitMod_Reg bits …continued
Bit
Symbol
Description
Table 161. TxDataCon_Reg (address 4Ah); reset value: 00h
Bit
7
6
5
4
3
2
1
0
Symbol
DCodeType
DSCFreq
Access
rights
r/w
Table 162: Description of TxDataCon_Reg bits
Bit
Symbol
Description
7 to 4
DCodeType
specifies the type of encoding of data to be used
0000b - no special coding
0001b - collider datastream is decoded
0010b - RFU
0011b - RFU
0100b - return to zero code - pulse at first position
0101b - return to zero code - pulse at 2nd position
0110b - return to zero code - pulse at 3rd position
0111b - return to zero code - pulse at 4th position
1000b - 1 out of 4 coding
1001b - 1 out of 256 code (range 0 - 255) [I-CODE SLI]
1010b - 1 out of 256 code (range 0 - 255; 0x00 is encoded with no
modulation, value 256 not used) [I-CODE 1]
1011b - 1 out of 256 code (range 0 - 255; 0x00 is encoded with a pulse
on last position) [I Code quite value]
1100b - Pulse internal encoded (PIE) [ISO(IEC18000-3 Mode 3]
1101b - RFU
1110b - RFU
1111b - RFU
3
DSCFreq
Specifies the subcarrier frequency of the used envelope.
0b 424 kHz
1b 848 kHz
Note: This setting is only relevant if an envelope is used which
involves a subcarrier, e.g. Manchester with subcarrier coding.
2 to 0
DBFreq
Specifies the frequency of the bit stream
000b - RFU
001b - RFU
010b - 26 kHz
011b - 53 kHz
100b - 106 kHz
101b - 212 kHz
110b - 424 kHz
111b - 848 kHz
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