| ??? 11/28/06 07:41 Read: times |
#128597 - reply xdata Responding to: ???'s previous message |
actually sir i made a program for alphabets scrolling on led matrix, and i just display only 20 characters successfully, beacuse of i have 256 bytes of ram and beyond that i cant access, i want to display 50 character and scroll it so for that i need a extra ram for that so i just declare xdata unsigned char xdata Rx_dis_buffer[BUFF_SIZE2, as a global and it direcly access external RAM ??? i dont know about that, so please tell me that like in programming ale pin , write , and read pind should be high and low through software or just only connection of these with 8051 and ram,...
priyanka |
| Topic | Author | Date |
| how to Access External Ram with 8051 in C language | 01/01/70 00:00 | |
| XDATA access | 01/01/70 00:00 | |
| Xdata access | 01/01/70 00:00 | |
| XDATA access | 01/01/70 00:00 | |
| re | 01/01/70 00:00 | |
| You need | 01/01/70 00:00 | |
| bible | 01/01/70 00:00 | |
| Read the Keil Manual | 01/01/70 00:00 | |
| reply xdata | 01/01/70 00:00 | |
| Software access to XDATA | 01/01/70 00:00 | |
| Use a derivative with more ram | 01/01/70 00:00 | |
| She is asking | 01/01/70 00:00 | |
| If that is the case | 01/01/70 00:00 | |
and the answer is | 01/01/70 00:00 |