| ??? 09/26/07 04:52 Read: times |
#145000 - Using 2051 Responding to: ???'s previous message |
I have 3 pins free of U3 and 2 pins of U1( master MCU).How can I connect the LCD,still 1 pin short for 4 bit mode.Is it possible without using any other support IC because it works perfect with slave 89c51/52. |
| Topic | Author | Date |
| AT89c2051 power up sequence | 01/01/70 00:00 | |
| any schematics? | 01/01/70 00:00 | |
| No schematics right now | 01/01/70 00:00 | |
| at least... | 01/01/70 00:00 | |
| Single step | 01/01/70 00:00 | |
| And what was it, then? | 01/01/70 00:00 | |
| RE: And what was it, then? | 01/01/70 00:00 | |
| what LCD? | 01/01/70 00:00 | |
| RE: what LCD | 01/01/70 00:00 | |
| OK so why was the LCD blank? | 01/01/70 00:00 | |
| RE: OK so why was the LCD blank? | 01/01/70 00:00 | |
| data conflict/posting pictures | 01/01/70 00:00 | |
| RE:data conflict/posting pictures | 01/01/70 00:00 | |
| Schematics | 01/01/70 00:00 | |
| Complete schematic | 01/01/70 00:00 | |
| please use smaller pictures and png/gif | 01/01/70 00:00 | |
| Done | 01/01/70 00:00 | |
| Using 2051 | 01/01/70 00:00 | |
| make a full terminal from U3 | 01/01/70 00:00 | |
| Add some diodes | 01/01/70 00:00 | |
| RE:Add some diodes | 01/01/70 00:00 | |
| Multiplexing | 01/01/70 00:00 | |
| Pull ups | 01/01/70 00:00 | |
| Not required. | 01/01/70 00:00 | |
try this code | 01/01/70 00:00 |