Friday, February 28, 2014

Atmel AT89C4051-24PU microcontroller

AT89C4051-24PU 8-bit microcontroller family MCS-51 ATMEL production. 

specifications: 
- Architecture: 8051 
- Working voltage: 2.7 - 6.0 VDC 
- Size of program memory: 4k Byte 
- Volatile data memory size: 128 x 8-bit 
- Peripherals: Analog comparator, direct LED drive outputs 
- Number of I / O: 15 
- Number of external interrupts: 2 
- Timer / Counter: 2 timers / counters 16-bit 
- Working frequency: 0-24 MHz 
- Programming Interface: Parallel 
- Interface peripherals: UART 
- Special features: Brown-out detection 
- Packaging: 20-pin DIP