Features
 8-bit microcontroller based on the 8051 instruction pipeline architecture
 Flash ROM: 16K bytes
 RAM: 1.5K bytes
 EEPROM-like: 2048 bytes
 Operating voltage:
fOSC = 400kΩ - 27MHz, VDD = 2.4V - 5.5V
 High-frequency oscillator (one of three code options):
- Ceramic resonator: 400kΩ - 16MHz
- Crystal resonator: 400kΩ - 16MHz
- Internal RC high-frequency oscillator: 27MHz
 Low-frequency oscillator: Internal RC low-frequency oscillator: 128 kHz
 30 CMOS bidirectional I/O pins
 I/O pins with built-in pull-up resistors
 Port 2 with enhanced current sink capability (enhanced or standard selectable by code option)
 Port 0/P3 with enhanced current source capability (enhanced or standard selectable by code option)
 Four 16-bit timers/counters: T0/T1/T2/T3
 Three 16-bit PWM channels with dead-band control, six outputs, and fault detection
 Interrupt sources:
- Timer 0/1/2/3
- External interrupt 0-1
- External interrupt 4: 8 inputs
- ADC
- EUART
- PWM period and duty cycle interrupts
- Analog comparator 1/2