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HTMOSTM High Temperature Products
Preliminary
HIGH TEMPERATURE 83C51 MICROCONTROLLER
FEATURES
• HTMOS Specified Over -55 to +225°C • 8-bit CPU Optimized For 5 Volt Control Applications • Four 8-bit Bidirectional Parallel Ports • Three 16-bit Timer/Counters with One Up/Down Timer/Counter and Clock Out • Programmable Counter Array with: – Capture/Compare – Software Timer with Watchdog Capability – High Speed Output – Pulse Width Modulator • Interrupt Structure with Seven Sources and Four Priority Levels • Half Duplex Programmable Serial Port with: – Framing Error Detection – Automatic Address Recognition • 64K External Program Memory Address Space • Hermetic 40-Pin Ceramic DIP
HT83C51
• 64K External Data Memory Address Space • 256 Bytes Internal Data Memory • 8K Byte Mask ROM • On-Chip O