Key Features
- 80C52 Compatible
- 8051 Pin- and Instruction-Set Compatible
- Four Bidirectional I/O Ports
- Three 16-Bit Timer Counters
- 256 Bytes Scratchpad RAM
- On-Chip Memory
- 16kB Flash Memory
- In-System Programmable through Serial Port
- 1kB SRAM for MOVX
- ROMSIZE Feature
- Selects Internal Program Memory Size from 0 to 16k
- Allows Access to Entire External Memory Map
- Dynamically Adjustable by Software
- High-Speed Architecture
- 1 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 Auto Increment/Decrement and Toggle Select
- Supports Four Paged Modes
- Power Management Mode
- Programmable Clock Divider
- Automatic Hardware and Software Exit
- 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
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Applications/Uses
- Appliances (Washers, Microwaves, Etc.)
- Automotive Test Equipment
- Building Energy Control and Management
- Consumer Electronics
- Data Logging
- Gaming Equipment
- Industrial Control and Automation
- Magstripe
- Motor Control
- Programmable Logic Controllers
- Reader/Scanner
- Security and Door Access Control
- Telephones
- Uninterruptible Power Supplies
- Vending
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