interface by using 8051 to LCD | Microcontroller › 8051 › interface by using 8051 to LCD This topic has 1 reply, 2 voices, and was last updated 12 years, 9 months ago by Sagar. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 7, 2011 at 2:28 pm #1429 mamatParticipant can we use pv89v51rd2 to exchange with at89c51???is it the same??? December 7, 2011 at 8:43 pm #6915 SagarParticipant ya it is same. In Keil use sbit to define port pins instead of macros. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In