IO 驱动 LCD , *** *** *** *** FILE NAME: IO_LCD MCU: HT46R22 MASK OPTION: WAKE-UP: PA6,PA7 PULL-HIGH: PA,PB,PC IIC: DISABLE PFD: DISABLE PWM: DISABLE WDT: ENABLE CLRWDT: ONE WDT CLOCK SOURCE: T1 WDT TIME OUT SELECT: W

SIMPLE 8X8 LED MATRIX SCROLLING EXAMPLE 16F872 External 4MHz Xtal Osc LED Matrix columns are conected to PORTC via ULN2004AN to 0v. RC0 - 1st column on left of display LED Matrix rows conected to PORTB via 100 ohm resistors (Resistor val

#FUSES INTRC_IO //Internal RC Osc, no CLKOUT #FUSES NOPUT //No Power Up Timer #FUSES MCLR //Master Clear pin enabled #FUSES NOPROTECT //Code not protected reading #FUSES NOCPD //No EE protection #FUSES NOBROWNOUT //No brownout reset #FUSE