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
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