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