FEATURES1.	Standard 8051 Instruction set, fast machine cycle
	Executes instructions six times faster than standard 8051
2.	8K Bytes Flash Program Memory
	Support “In Circuit Programming” (ICP) for the Flash code
	Code Protection Capability
	10K erase times at least
	10 years data retention at least
3.	128 Bytes EEPROM Memory
	50K erase times at least
	10 years data retention at least
4.	Total 512 Bytes SRAM (IRAM+XRAM)
	256 Bytes IRAM in the 8051 internal data memory area
	256 Bytes XRAM in the 8051 external data memory area (accessed by MOVX Instruction)
5.	Two System Clock type Selections
	Fast clock from Internal RC (FRC, 16.5888 MHz)
	Slow clock from Internal RC (SRC, 80 KHz)
	System clock can be divided by 1/2/4/16 option
6.	8051 Standard Timer – Timer0/1/2
	16-bit Timer0, also supports T0O clock output for Buzzer application
	16-bit Timer1, also supports T1O clock output for Buzzer application
	16-bit Timer2, also supports T2O clock output for Buzzer application
7.	15-bit Time3
	Clock source is Slow clock or FRC/512
	Interrupt period can be clock divided by 32768/16384/8192/128 option
8.	8051 Standard UART
	One Wire UART option
9.	Two independent 16 bits PWMs with period-adjustment/buffer-reload/clear and hold function
10.	One Master I2C Interface
11.	12-bit ADC with 12 Channels External Pin Input, 2 Channels Internal Reference Voltage and 1 OPA Output Voltage
12.	Build-In OP Amp x 1 for the IGBT Current Sensing
	Low Power Rail-to-Rail Input / Output
	Vos < |2mV| by calibration
	High Gain-Bandwidth 2.1MHz
	High Open Loop Gain 90dB
	CMRR 80dB, PSRR 80dB
13.	Build-In Voltage Comparator x 5
	Vos < |2mV| by calibration
	|40mV| Hysteresis Option (Disable / Enable)
	Phase Protect Detector (PPD)
14.	One 9-Bit Programmable Pulse Generator (PPG) Output Channel
	Sing Pulse Mode / Synchronous Mode
	Direct / Approach Reload Mode
	Programmable Output Delay Time (Synchronous Mode only)
	Auto-Decrement Pulse Width Control
	Over-Voltage / Over-Current Protection
15.	Multiplication and division 
	8 bits Multiplier & Divider (standard 8051)
	16 bits Multiplier & Divider
	32 bits ÷ 16 bits hardware Divider
16.	Integrated 16-bit Cyclic Redundancy Check function
17.	20 Sources, 4-level Priority Interrupt
	Timer0/Timer1/Timer2/Timer3 Interrupt
	INT0/INT1 Falling-Edge/Low-Level Interrupt
	Port1 Pin Change Interrupt
	UART TX/RX Interrupt
	P3.7 (INT2) Interrupt
	ADC Interrupt
	I2C Interrupt
	PPG/PPD Interrupt
	CMP1~5 Interrupt
	PWM0/PWM1 Interrupt
18.	Pin Interrupt can Wake up CPU from Power-Down (Stop) mode
	P3.2/P3.3 (INT0/INT1) Interrupt & Wake-up
	P3.7 (INT2) Interrupt & Wake-up
	Each Port1 pin can be defined as Interrupt & Wake-up pin (by pin change)
19.	Max. 17 Programmable I/O pins
	CMOS Output
	Pseudo-Open-Drain, or Open-Drain Output
	Schmitt Trigger Input
	Pin Pull-up can be Enable or Disable
20.	Independent RC Oscillating Watchdog Timer
	400ms/200ms/100ms/50ms Selectable WDT Timeout options
21.	Five types Reset
	Power on Reset
	Selectable External Pin Reset
	Software Command Reset
	Selectable Watchdog Timer Reset
	Selectable Low Voltage Reset
22.	4-level Low Voltage Reset
	2.7V/3.2V/3.8V/4.3V
23.	Four Power Saving Operation Modes
	Fast/Slow/Idle/Stop Mode
24.	On-chip Debug/ICE interface
	Use P3.0/P3.1 pin
	Share with ICP programming pin
25.	Operating Voltage and Current
	VCC=3.7V ~ 5.5V @FSYSCLK=16.5888 MHz
	VCC=2.5V ~ 5.5V @FSYSCLK=8.2944 MHz
	ICC=52µA @Stop mode, LVR enable, PWRSAV=0, VCC=5V
	ICC=47µA @Stop mode, LVR enable, PWRSAV=0, VCC=3V
	ICC<0.1µA @Stop mode, LVR disable, PWRSAV=1, VCC=5V
26.	Operating Temperature Range
	–40*C ~ +85*C
27.	Package Types
	SOP 20-pin (300 mil)
	SOP 16-pin (150 mil)