參數(shù)資料
型號: LRI512
廠商: 意法半導(dǎo)體
英文描述: Memory TAG IC 512 bit High Endurance EEPROM 13.56MHz, ISO 15693 Standard Compliant with E.A.S.
中文描述: 內(nèi)存標簽集成電路的512位高耐力的EEPROM 13.56,ISO 15693標準符合標準的防盜
文件頁數(shù): 6/54頁
文件大?。?/td> 351K
代理商: LRI512
LRI512
6/54
Data Coding Mode: 1 Out of 4
The value of 2 bits is represented by the position
of one pause. The position of the pause on 1 of 4
successive time periods of 18.88 μs (256/f
C
), de-
termines the value of the 2 bits. Four successive
pairs of bits form a byte, where the least significant
pair of bits is transmitted first.
In this case the transmission of one byte takes
302.08 μs and the resulting data rate is 26.48 kbit/
s (f
C
/512). Figure 7 illustrates the 1 out of 4 pulse
position technique and coding.
Figure 7. 1 Out of 4 Coding Mode
For example Figure 8 shows the transmission of
E1h (225d, 1110 0001b) by the VCD.
Figure 8. 1 Out of 4 Coding Example
AI06658
9.44 μs
9.44 μs
75.52 μs
28.32 μs
9.44 μs
75.52 μs
47.20μs
9.44 μs
75.52 μs
66.08 μs
9.44 μs
75.52 μs
Pulse position for "00"
Pulse position for "11"
Pulse position for "10" (0=LSB)
Pulse position for "01" (1=LSB)
AI06659
75.52 μs
75.52 μs
75.52 μs
75.52 μs
00
10
01
11
相關(guān)PDF資料
PDF描述
LRI512-C40 EEPROM
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