Z8L382

www.DataSheet4U.com PRELIMINARY PRODUCT SPECIFICATION 1 Z80382, Z8L382 HIGH-PERFORMANCE DATA COMMUNICATIONS PROCESSORS FEATURES s 1 Embedded Z380ª Microprocessor Ð Maintains Object Code Compatibility with Z80¨ and Z180ª Microprocessors Ð Enhanced Instruction Set for 16-Bit Operation Ð 16 MB Linear Addressing Ð Two Clock Cycle Instruction Execution Minimum Ð Four On-Chip Register Banks Ð BC/DE/HL/IX/IY Augmented to 32 Bits Ð Clock Divide-by-Two and Multiply-by-Two Options Ð Fully Static CMOS Design with Low-Power Standby Mode Ð 16-Bit Internal Bus Ð Dynamic Bus Sizing (8/16-Bit Inter-Operability) 16550 Mimic with I/O Mailbox, DMA Mailbox, and 16 mA Bus Drive Three HDLC Synchronous Serial Channels Ð Serial Data Rate of up to 10 Mbps GCI/SCIT Bus Interface s s s s Eight Advanced DMA Channels with 24-Bit Addressing Plug-and-Play ISA Interface PCMCIA Interface Two Enhanced ASCIs (UARTs) with 16-Bit Baud Rate Generators (BRG) Clocked Serial I/O Channel (CSIO) for Use with Serial Memory Two 16-Bit Timers with Flexible Prescalers Three Memory Chip Selects with Wait-State Generators Watch-Dog Timer (WDT) Up to 32 General-Purpose I/O Pins DC to 20 MHz Operating Frequency @ 5.0V DC to 10 MHz Operating Frequency @ 3.3V 144-Pin QFP and VQFP Style Packages s s s s s s s s s s s GENERAL DESCRIPTION The Z80382 (Z382) is designed to address high-end data communication applications such as digital modems (ISDN, GSM, Mobitex & Modacom), xDSL and analog modems (V.34 and beyond). The...