Feature
- High-Speed 8051 Architecture
- One Clock-Per-Machine Cycle
- DC to 33MHz Operation
- Single Cycle Instruction in 30ns
- Optional Variable Length MOVX to Access Fast/Slow Peripherals
- Dual Data Pointers with Automatic Increment/Decrement and Toggle Select
- Supports Four Paged Memory-Access Modes
- On-Chip Memory
- 16kB/64kB Flash Memory
- In-Application Programmable
- In-System Programmable Through Serial Port
- 1kB SRAM for MOVX
- 80C52 Compatible
- 8051 Pin and Instruction Set Compatible
- Four Bidirectional, 8-Bit I/O Ports
- Three 16-Bit Timer Counters
- 256 Bytes Scratchpad RAM
- Power-Management Mode
- Programmable Clock Divider
- Automatic Hardware and Software Exit
- ROMSIZE Feature
- Selects Internal Program Memory Size from 0 to 64kB
- Allows Access to Entire External Memory Map
- Dynamically Adjustable by Software
- Peripheral Features
- Two Full-Duplex Serial Ports
- Programmable Watchdog Timer
- 13 Interrupt Sources (Six External)
- Five Levels of Interrupt Priority
- Power-Fail Reset
- Early Warning Power-Fail Interrupt
- Electromagnetic Interference (EMI) Reduction
Applications
- Automated Test Equipment (ATE)
- Building Energy Control and Management
- Building Security and Door Access Control
- Consumer Electronics
- Data Logging
- Gaming Equipment
- HVAC
- Industrial Control and Automation
- Magstripe Reader/Scanner
- Motor Control
- Programmable Logic Controllers
- Telephones
- Uninterruptible Power Supplies
- Vending
- White Goods (Washers, Microwaves, Etc.)
