Analog Peripherals:

8 Bit ADC

1)Up To 500ksps

2)Up To 8 External Inputs

3)Programmable Amplifier Gains Of 4,2,1,0.5

4)VRFF From External Pin Or VDD

5)Built-In Temperature Sensor

6)External Conversion Start Input



Comparator

1)Programmable Hysteresis And Response Time

2)Configurable As Interrupt Or Reset Source

3)Low Current (0.5uA)



On-Chip Debug

1.On-chip debug circuitry facilitates full speed,non-intrusive in-system debug (no emulatorrequired)

2.Provides breakpoints, single stepping,inspect/modify memory and registers

3.Superior performance to emulation systems using ICE-chips, target pods, and sockets

4.Complete development kit



Supply Voltage:2.7 to 3.6 V

1.Typical Operating Current:5mA 25 MHz;11uA 32MHz

2.Typical Stop Mode Current:0.1uA

3.Temperature Range:-40℃~85℃



High Speed 8051 Core:

1.Pipelined instruction architecture; executes 70% ofinstructions in 1 or 2 system clocks

2.Up to 25 MIPS throughput with 25 MHz clock

3.Expanded interrupt handler



Memory:

1.256 bytes internal data RAM

2.Up to 8 kB Flash; In-system programmable in 512 byte sectors



Digital Peripherals:

1.8 Port I/O; All 5 V tolerant with high sink current

2.Hardware enhanced UART and SMBus serial ports

3.Three general-purpose 16-bit counter/timers

4.16-bit programmable counter array (PCA) with three capture/compare modules

5.Real time clock mode using PCA or timer and external clock source



Clock Sources:

1.Internal oscillator:24.5MHz with +/-2% accuracy supports UART operation

2.External oscillator:Crystal,RC,C,or clock (1 or 2 pin modes)

3.Can switch between clock sources on-the-fly

4.Useful in power saving modes

5.Board Size:31.02*22.36mm