GENERAL DESCRIPTION

The enhanced Z80180/Z8S180/Z8L180? significantly improves on the previous Z80180 models while still providing full backward compatibility with existing Zilog Z80 devices. The Z80180/Z8S180/Z8L180 now offers faster execution speeds, power saving modes, and EMI noise reduction.

FEATURES

■ Code Compatible with Zilog Z80? CPU

■ Extended Instructions

■ Two Chain-Linked DMA Channels

■ Low Power-Down Modes

■ On-Chip Interrupt Controllers

■ Three On-Chip Wait-State Generators

■ On-Chip Oscillator/Generator

■ Expanded MMU Addressing (up to 1 MB)

■ Clocked Serial I/O Port

■ Two 16-Bit Counter/Timers

■ Two Enhanced UARTs (up to 512 Kbps)

■ Clock Speeds: 6, 8, 10, 20, 33 MHz

■ Operating Range: 5V (3.3V@ 20 MHz)

■ Operating Temperature Range: 0°C to +70°C

■ -40°C to +85°C Extended Temperature Range

■ Three Packaging Styles

– 68-Pin PLCC

– 64-Pin DIP

– 80-Pin QFP