The 8051 Microcontroller and Embedded

Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

8255 HANEL

INTERFACING

LCD

Connection To The 8255

(cont

’) Figure 15-10. LCD Connection

8255

+5V

10KPOT

LCD

RESET

RS

E

D0 D7

PA0 PA7 PB0

R/w

PB1PB2

VPP VEE VSS