| ??? 03/20/07 05:35 Read: times Msg Score: -2 -2 Message Not Useful |
#135351 - RTC DS12C887 AND HD44780 |
DEAR FRIENDS,
I AM USING RTC DS12C887, AND I CANNOT GET THE MEANING OF PINS LIKE CHIP SELECT,ADDRESS STROBE ,DATA STROBE,R/W.. 1.WHICH PINS R TO BE HIGH WHEN WE SELECT ADDRESS LINES/DATA LINES. 2.WHICH PINS ARE TO BE HIGH WHEN WE SET THE RTC /WHEN WE READ FROM THE RTC.. PLEASE GIVE ME PROPER SUGESSTIONS WITH RESPECT TO 89S52 MICROCONTROLLER... HD44780:-- I HAVE READ THE E TUTORIAL OF THIS DEVICE..BUT EVEN WHEN I PROGRAMMED IT ACCORDINGLY I CANOOT FIND THE SECOND LINE DISLAYED ON THE LCD..PLEASE GIVE ME A FEW SUGGESTIONS... UR'S SINCERELY KHANDAVILLI MAHESH KUMAR |
| Topic | Author | Date |
| RTC DS12C887 AND HD44780 | 01/01/70 00:00 | |
| two suggestions | 01/01/70 00:00 | |
| hd 44780u lcd | 01/01/70 00:00 | |
| microresistors sincerily??? | 01/01/70 00:00 | |
| Let's see your program | 01/01/70 00:00 | |
and also states | 01/01/70 00:00 |