Support both MOV & MOVX instruction. MOVX instruction is for GPIOA~GPIOF port. MOV instruction is for typical 8051 I/O. MCU provides 4 GPIO pins supporting 8051 Port 0 functions, can use MOV, SETB and CLR instruction to set the level status of GPIO. For more details please consult the GPIO Example Program.

Due to WT56F216/WT51F104 both build in LVD/LVDR, it can reach the effect by Low Voltage Detection Reset. For more details please consult the Low Voltage Detection Reset (LVDR) section in the Data Sheet.

It takes 16ms from WT56F216/WT51F104 power-up to Reset completed.

The GPIO initial value of WT56F216/WT51F104 is Input Tri-state, and thus LED will not blink.

Both WT56F216/WT51F104 support emulated E2PROM, and thus all status can be saved in flash after completing each power-on procedure. For more details please consult the Emulated E2PROM application documents.

WT56F216 programming 16Kbyte takes 20 seconds.

Tested by the qualified LAB, EFT can reach ±4KV; ESD Contact can reach ±4KV; Air can reach ±15KV.

1.Single Mode: turning on ADC & enabling Single conversion, then reading data after the conversion is completed.

2.Continuous Mode: turning on ADC & enabling continuous conversion, and MCU will keep on converting. After the convertion is completed, it will update A/D converter converting High/Low bytes Register.

3.Timer Auto Mode: working together with the time set by the Watch timer, Timer auto converting ADC data.

PWM Control Register provides output phase setting bit.

It can support external crystal oscillator 4 MHz or 8 MHz but requiring enabling ISP_CHG_12M & UART_ISP_CHG bit in the program. IRC_12M_PD1 & IRC_12M_PD2 can be turned off only after the Source clock selecting external oscillator. For more details please consult the Power Management section and Example program in the Data Sheet.