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參數(shù)資料
| 型號(hào)： | HSDL-3021 |
| 廠商： | Avago Technologies Ltd. |
| 英文描述： | IrDA㈢ Data Compliant Low Power 4.0 Mbit/s with Remote Control Infrared Transceiver |
| 中文描述： | 紅外線㈢數(shù)據(jù)兼容低功耗4.0 Mbit / s的紅外遙控器 |
| 文件頁數(shù)： | 24/26頁 |
| 文件大小： | 205K |
| 代理商： | HSDL-3021 |
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24
Two-TxD Direct Transmission Mode
In the two-TxD direct
transmission mode, the LED can
be driven separately for IrDA and
RC mode of operation through the
TxD_IR and TxD_RC pins
respectively. This mode can be
used when the external controller
utilizes separate transmit pins for
IrDA and RC operation modes,
thereby eliminating the need for
external multiplexing.
Please refer to the Transceiver
I/O truth table for more detail.
Transceiver Control I/O Truth Table for Two-TxD Direct Transmission Mode
SD
TxIR
TxRC
LED
Remarks
0
0
0
OFF
IR Rx enabled. Idle mode
0
0
1
ON
Remote control operation
0
1
0
ON
IrDA Tx operation
0
1
1
-
Not recommended (both transmitters off)
1
0
0
OFF
Shutdown mode*
*The shutdown condition will set the transceiver to the default mode (IrDA-SIR)
Bandwidth Selection Timing
The power on state should be the
IrDA SIR mode. The data transfer
rate must be set by a program-
ming sequence using the TxD_IR
and SD inputs as described below.
Note: SD should not exceed the
maximum, t
C
≤
5
μ
s, to prevent shutdown.
Setting to the High Bandwidth
MIR/FIR Mode (0.576 Mbits/s to
4 Mbits/s)
1. Set SD input to logic “HIGH.”
Wait t
A
≥
200 ns.
2. Set TxD_IR input to logic
“HIGH.” Wait t
S
≥
50 ns.
3. Set SD to logic “LOW” (this
negative edge latches state of
TxD_IR, which determines
speed setting).
4. After waiting t
H
≥
50 ns
TxD_IR can be set to logic
“LOW.” TxD_IR is now re-
enabled as normal IrDA
transmit input for the High
Bandwidth MIR/FIR mode.
Setting to the Low Bandwidth SIR
Mode (2.4 kbits/s to 115.2 kbits/s)
1. Set SD input to logic “HIGH.”
2. Set TxIR input to logic
“LOW.” Wait t
S
≥
50 ns.
3. Set SD to logic “LOW” (this
negative edge latches state of
TxIR, which determines
speed setting).
4. TxIR must be held for t
S
≥
50 ns. TxIR is now re-enabled
as normal IrDA transmit
input for the Low Bandwidth
SIR mode.
50%
50%
SD
TxIR
t
C
50%
50%
HIGH: MIR/FIR
LOW: SIR
t
H
t
S
t
A
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| HSDL-3021-021 | IrDA㈢ Data Compliant Low Power 4.0 Mbit/s with Remote Control Infrared Transceiver |
| HSDL-3203 | Small Profile Package IrDA㈢ Data Compliant Low Power 115.2 kbit/s Infrared Transceiver |
| HSDL-3210 | IrDA㈢ Compliant Low Power 1.15 Mbit/s Infrared Transceiver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HSDL-3021-021 | 功能描述:紅外收發(fā)器 FIR + RC RoHS:否 制造商:Vishay Semiconductors 波長(zhǎng):900 nm 連續(xù)數(shù)據(jù)傳輸:115.2 Kbit/s 傳輸距離:1 m 輻射強(qiáng)度:60 mW/sr 半強(qiáng)度角度:44 deg 脈沖寬度:2 us 最大上升時(shí)間:100 ns 最大下降時(shí)間:100 ns LED 電源電壓:- 0.5 V to 6 V 最大正向電流:80 mA 工作電壓:2.4 V to 5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 尺寸:6 mm x 3.1 mm x 1.9 mm 封裝 / 箱體: 封裝:Reel |
| HSDL-3200 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IrDA 1.2 Data Compliant 115.2Kb/s 3V Infrared Transceiver |
| HSDL-3200#021 | 功能描述:紅外收發(fā)器 IR Transceiver 115.2Kb/s RoHS:否 制造商:Vishay Semiconductors 波長(zhǎng):900 nm 連續(xù)數(shù)據(jù)傳輸:115.2 Kbit/s 傳輸距離:1 m 輻射強(qiáng)度:60 mW/sr 半強(qiáng)度角度:44 deg 脈沖寬度:2 us 最大上升時(shí)間:100 ns 最大下降時(shí)間:100 ns LED 電源電壓:- 0.5 V to 6 V 最大正向電流:80 mA 工作電壓:2.4 V to 5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 尺寸:6 mm x 3.1 mm x 1.9 mm 封裝 / 箱體: 封裝:Reel |
| HSDL-3200-921 | 制造商:Lite-On Semiconductor Corporation 功能描述:IRDA TX/RX 0.1152MBPS 2.7V TO 3.6V 8PIN - Tape and Reel |
| HSDL-3201 | 制造商:LITEON 制造商全稱:Lite-On Technology Corporation 功能描述:IrDA? Data 1.4 Low Power Compliant 115.2 kb/s Infrared Transceiver |
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