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Zakładka z wyszukiwarką danych komponentów |
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ASDL-7021 Arkusz danych(PDF) 1 Page - Lite-On Technology Corporation |
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ASDL-7021 Arkusz danych(HTML) 1 Page - Lite-On Technology Corporation |
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1 / 23 page  ASDL-7021 IrDA FIR/VFIR Controller in TFBGA Package Data Sheet Features General Features • Interfaces with IrDA Compliant IR Transceiver up to VFIR • Miniature 48 pin TFBGA Package Height : 1.2 mm Width : 4.0 mm Depth : 4.0 mm • 8-bit Memory Mapped Interface • Input clock of 48 MHz • 4 transmission speed in 3 Blocks - SIR Block (2.4 to 115.2Kbps) - FIR Block (1.152Mbps for MIR and 4Mbps for FIR) - VFIR Block (16Mbps) • Operating temperature from -40° C ~ 85°C - Critical parameters are guaranteed over temperature and supply voltage • Core Power Supply = 1.8V Clock Power Supply = 3.3V IO Power Supply =1.8V, 2.5V, 3.3V • RAM Block with On-Chip buffer memory of 8KByte x 2 Bank Configuration - 1 bank for external access x 8 bit width - 1 bank for internal access x 8 bit width through on-chip DMA block - These 2 banks can be switched - Each transmit and receive have their own buffer memory of 8KByte x 2 Description The ASDL-7021 is a new generation large scale integra- tion (LSI) IrDA controller supporting speeds of SIR (up to 115Kbps), MIR(1.152Mbps), FIR(4Mbps) and VFIR (16Mbps). It consists of IrDA Control Block, Remote Control Block, Timer Control Block, Global Control block including Buffer Memory and Direct Memory Access Control Block (DMA) integrated into one single chip. It has all the hardware including Buffer Memory and Direct Memory Access (DMA) that enables convenient access to its peripheral IO and memories from system bus which is similar to simple memory devices. ASDL-7021 is a class of its own as unlike conventional LSI which utilizes external DMA for implementing fast infrared transfer, complicated bus timing and required additional logic for its interface. ASDL-7021 utilizes two memory banks for external access and internal DMA access; these 2 banks are interchange- able to prevent bus contention. These two banks can be switched using memory select function of the internal register and separates internal bus from external, which enables parallel operation of external microcontroller operation and internal IrDA data transfer operation. ASDL-7021 has embedded Universal Remote Control (RC) function for general purpose remote control communica- tion. Together with Lite-On FIR transceiver and IrSimple software, ASDL-7021 is designed to provide Industry a total solution for high speed wireless connectivity solution in miniature packaging. Applications • Mobile Data Communication and Universal Remote Control - Mobile Phones - PDAs - Digital Still Camera - Printer - Notebooks - Handy Terminal - Dongles - Industrial and Medical Instrument BANK1 FIR block CPU DMA BANK0 BANK1 FIR block CPU DMA |
Podobny numer części - ASDL-7021 |
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Podobny opis - ASDL-7021 |
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