-  High Performance CHMOS EPROM/ROM/CPU

- 12/24/33 MHz Operations

- Three 16-Bit Timer/Counters

- Programmable Clock Out

- Up/Down Timer/Counter

- Three Level Program Lock System

- 8K/16K/32K On-Chip Program Memor-

- 256 B-tes of On-Chip Data RAM

- Improved Quick Pulse Programming Algorithm

- Boolean Processor

- 32 Programmable I/O Lines

- 6 Interrupt Sources

- Programmable Serial Channel with:

– Framing Error Detection

– Automatic Address Recognition

- TTL and CMOS Compatible Logic Levels

- 64K External Program Memory Space

- 64K External Data Memory Space

- MCS… 51 Microcontroller Compatible Instruction Set

- Power Saving Idle and Power Down Modes

- ONCE (On-Circuit Emulation) Mode

- Four-Level Interrupt Priority

- Extended Temperature Range Except for 33 MHz Offering (-40°Cto +85°C)