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參數(shù)資料
| 型號： | ASDL-3212-021 |
| 廠商： | LITE-ON ELECTRONICS INC |
| 元件分類： | 其它接口 |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, DMA6 |
| 封裝： | 7 X 2.73 MM, 1.64 MM HEIGHT, MINIATURE PACKAGE-6 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 542K |
| 代理商： | ASDL-3212-021 |
3
Selection of Resistor R1
Resistor R1 should be selected to provide the appropri-
atepeakpulseLEDcurrentatdifferentrangesofVccas
shown under “Recommended Application Circuit Com-
ponents”.
Interface to the Recommended I/O chip
The ASDL-3212’s TXD data input is buffered to allow
for CMOS drive levels. No peaking circuit or capacitor
is required. Data rate from 9.6kb/s up to 1.15Mb/s is
availableatRXDpin.
FiguresC1andC2showhowASDL-3212fitsintoamobile
phoneandPDAplatformrespectively.
Figure C1. Mobile Application Platform
Appendix C: General Application Guide for the ASDL-3212 Infrared IrDA Compliant 1.15Mb/s Transceiver
Description
The ASDL-3212 is a low-cost and ultra small infrared
transceivermodulethatprovidestheinterfacebetween
logic and infrared (IR) signals for through air, serial, half
duplexIRdatalink.Thedeviceisdesignedtoaddressthe
mobilecomputingmarketsuchasPDAs,aswellassmall
embeddedmobileproductssuchasdigitalcamerasand
cellularphones.ItisfullycomplianttoIrDA1.4lowpower
specification from 9.6kb/s to 1.15Mb/s. The design of
ASDL-3212alsoincludesthefollowinguniquefeatures:
Lowpassivecomponentcount;
Shutdown mode for low power consumption
requirement;
DirectinterfacewithSuperI/Ologiccircuit.
STN/TFT LCD Panel
Logic Bus Driver
Memory Expansion
Power Management
Touch Panel
LCD Backlight Contrast
PCM Sound
Audio Input
Key Pad
Antenna
Mobile Application
chipset
*ASDL -
3212
ROM
FLASH
SDRAM
LCD Control
A/D
Memory I/F
Baseband
controller
Peripherial
interface PWM
AC97
sound
I2S
IrDA
interface
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