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參數(shù)資料
| 型號(hào)： | TIR1000PS |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | STANDALONE IrDAE ENCODER AND DECODER |
| 中文描述： | 單機(jī)IrDAE編解碼器 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 119K |
| 代理商： | TIR1000PS |
TIR1000, TIR1000I
STANDALONE IrDA
ENCODER AND DECODER
SLLS228F – DECEMBER 1995 – REVISED JULY 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
IrDA encoder function (continued)
It is possible for jitter or slight frequency differences to cause the next falling edge on IR_RXD to be missed for
one 16XCLK cycle. In that case, a 1-clock-wide pulse appears on U_RXD between consecutive zeroes. It is
important for the UART to strobe U_RXD in the middle of the bit time to avoid latching this 1-clock-wide pulse.
The TL16C550C UART already strobes incoming serial data at the proper time. Otherwise, note that data is
required to be framed by a leading zero and a trailing one. The falling edge of that first zero on U_RXD
synchronizes the read strobe. The strobe occurs on the eighth 16XCLK pulse after the U_RXD falling edge and
once every 16 cycles thereafter until the stop bit occurs.
1 2 3
4 5
6
7
8
10
12
14
16
1 2
3
4 5
6
7
8
10
12
14
16
IR_RXD
16XCLK
U_RXD
Figure 6. Timing Causing 1-clock-wide Pulse Between Consecutive Ones
16 Cycles
16 Cycles
16 Cycles
7 Cycles
16XCLK
IR_RXD
U_RXD
External Strobe
Figure 7. Recommended Strobing For Decoded Data
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TIR1000PSG4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Standalone IrDA En- coder & Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| TIR1000PSR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Standalone RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| TIR1000PSR | 制造商:Texas Instruments 功能描述:Logic - Decoder IC |
| TIR1000PSRG4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Standalone RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| TIR1000PW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STANDALONE IrDAE ENCODER AND DECODER |
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