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參數(shù)資料
| 型號： | HSDL-3600 |
| 英文描述： | RES THICK FILM POWER 30 OHM 25W |
| 中文描述： | 紅外符合4 Mb / s的3伏紅外線收發(fā)器 |
| 文件頁數(shù)： | 29/34頁 |
| 文件大?。?/td> | 567K |
| 代理商： | HSDL-3600 |
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29
Description
The HSDL-3600
wide voltage operating range
infrared transceiver is a low-cost
and small form factor that is
designed to address the mobile
computing market such as
notebooks, printers and LAN
access as well as small embedded
mobile products such as digital
cameras, cellular phones, and
PDAs. It is fully compliant to
IrDA 1.1 specification up to
4 Mb/s, and supports HP-SIR,
Sharp ASK, and TV Remote
modes. The design of the HSDL-
3600 also includes the following
unique features:
Low passive component count.
Adjustable Optical Power
Management (full,
2
/
3
,
1
/
3
power).
Shutdown mode for low power
consumption requirement.
Single-receive output for all
data rates.
Adjustable Optical Power
Management
The HSDL-3600
transmitter offers user-adjustable
optical power levels. The use of
two logic-level mode-select input
pins, MODE 0 and MODE 1,
offers shutdown mode as well as
three transmit power levels as
shown in the Table below. The
power levels are setup to
correspond nominally to
maximum, two-third, and one-
third of the transmission
distance. This unique feature
allows lower optical power to be
transmitted at shorter link
distances to reduce power
consumption.
There are 2 basic means to adjust
the optical power of the HSDL-
3600:
Dynamic:
This implementation
enables the transceiver pair to
adjust their transmitter power
according to the link distance.
However, this requires the IrDA
protocol stack (mainly the IrLAP
layer) to be modified. Please
contact Hewlett Packard
Application group for further
details.
Static:
Pre-program the ROM
BIOS of the system (e.g.
notebook PC, digital camera, cell
phones, or PDA) to allow the end
user to select the desired optical
power during the system setup
stage.
Selection of Resistor R1
Resistor R1 should be selected to
provide the appropriate peak
pulse LED current over different
ranges of Vcc. The recommended
R1 for the voltage range of 2.7 V
to 3.3 V is 2.2
while for 3.0 V
to 3.6 V is 2.7
. The
HSDL-3600 typically provides
250 mW/sr of intensity at the
recommended minimum peak
pulse LED current of 400 mA.
Interface to Recommended
I/O Chips
The HSDL-3600’s
TXD data input is buffered to
allow for CMOS drive levels. No
peaking circuit or capacitor is
required.
Data rate from 9.6 kb/s up to 4
Mb/s is available at the RXD pin.
The FIR_SEL pin selects the data
rate that is receivable through
RXD. Data rates up to 115.2 kb/s
can be received if FIR_SEL is set
to logic low. Data rates up to 4
Mb/s can be received if FIR_SEL
is set to logic high. Software
driver is necessary to program
the FIR_SEL to low or high at a
given data rate.
4 Mb/s IR link distance of greater
than 1.5 meters have been
demonstrated using typical
HSDL-3600 units with National
Semiconductor’s PC87109 3 V
Endec and Super I/Os, and the
SMC Super I/O chips.
MODE
1
0
0
1
MODE 1
0
0
1
1
Transmitter
Shutdown
Full Power
2
/
3
Power
1
/
3
Power
Appendix D: General Application Guide for the HSDL-3600 Infrared
IrDA
Compliant 4 Mb/s Transceiver
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HSDL-3612 | IrDA Data Compliant 115.2kb/s 3V to 5V Infrared Transceiver |
| HSDL-3612-007 | IrDA Data Compliant 115.2kb/s 3V to 5V Infrared Transceiver |
| HSDL-3612-008 | IrDA Data Compliant 115.2kb/s 3V to 5V Infrared Transceiver |
| HSDL-3612-037 | IrDA Data Compliant 115.2kb/s 3V to 5V Infrared Transceiver |
| HSDL-3612-038 | IrDA Data Compliant 115.2kb/s 3V to 5V Infrared Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HSDL-3600#007 | 制造商:Hewlett Packard Co 功能描述:SPECIALTY INTERFACE CIRCUIT, SMA10 |
| HSDL-3600#008 | 制造商:Hewlett Packard Co 功能描述:SPECIALTY INTERFACE CIRCUIT, SMA10 |
| HSDL-3600#017 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FIBER OPTIC TRANSCEIVER |
| HSDL-3600#018 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FIBER OPTIC TRANSCEIVER |
| HSDL3600008 | 制造商:AGILENT 功能描述:NEW |
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