82C79 Microcontroller IC
- Programmable Keyboard/Display Interface
- Simultaneous Keyboard Display Operation
- Scanned Keyboard Mode
- Scanned Sensor matrix mode
- Strobed Input Entry Mode
- Built-in 8-Character FIFO or 64 bit Sensor RAM
- Programmable 2-key Lockout or N-key Rollover with contact debounce
- Built-in 16x8 bit Display RAM
- Programmable scan timing
- Extend operating temperature range -400C to +850C
89C51 Atmel Microcontroller IC
- Programmable Keyboard/Display Interface
- Simultaneous Keyboard Display Operation
- Scanned Keyboard Mode
- Scanned Sensor matrix mode
- Strobed Input Entry Mode
- Built-in 8-Character FIFO or 64 bit Sensor RAM
- Programmable 2-key Lockout or N-key Rollover with contact debounce
- Built-in 16x8 bit Display RAM
- Programmable scan timing
- Extend operating temperature range -400C to +850C