89C2051-24SI smd/soic-20

89C2051-24SI , 8051 family 8-bit microcontroller 

specifications: 
- Architecture: 8051
- Working voltage: 2.7V to 6V
- Program memory size: 2KB
- Volatile data memory size: 128 Bytes
- Peripherals: Analog Comparator.
- Number of I / O: 15
- Number of external interrupts: 2
- Timer / Counter: Two 16-bit Timer / Counters
- Working frequency: 0 Hz to 24 MHz
- Programming interface: Parallel (not ISP)
- Interface peripherals: UART
- Special features: Low-power Idle and Power-down Modes
- Packaging: SOIC-20