| ??? 01/31/05 18:09 Read: times |
#86219 - What kind od serial data Responding to: ???'s previous message |
TXD and RXD are "RS232" type serial data. They would need level shifters IF the thing you are talking to is using them.
There is also SPI and I2C. the 8051 is great at "bit banging" you can access a single bit on any port. |
| Topic | Author | Date |
| P1 serial data | 01/01/70 00:00 | |
| Why not use the UART? | 01/01/70 00:00 | |
| Pin 10 and 11 | 01/01/70 00:00 | |
| back to basics | 01/01/70 00:00 | |
| OK | 01/01/70 00:00 | |
| will cost you anyhow | 01/01/70 00:00 | |
| Already Have | 01/01/70 00:00 | |
| What kind od serial data | 01/01/70 00:00 | |
| Type of data | 01/01/70 00:00 | |
| RTFM | 01/01/70 00:00 | |
| Wrong end of stick! | 01/01/70 00:00 | |
| Serial | 01/01/70 00:00 | |
| still unspecific | 01/01/70 00:00 | |
| ROM | 01/01/70 00:00 | |
| a ROM can not map anything | 01/01/70 00:00 | |
| End of wrong stick! | 01/01/70 00:00 | |
| Mystery? | 01/01/70 00:00 | |
| its still a mystery | 01/01/70 00:00 | |
| Module | 01/01/70 00:00 | |
| not yet | 01/01/70 00:00 | |
| UART is not a good choice | 01/01/70 00:00 | |
| Manchester | 01/01/70 00:00 | |
| You didn't get it, but that's OK | 01/01/70 00:00 | |
| The Stick! | 01/01/70 00:00 | |
| OK | 01/01/70 00:00 | |
| Yes | 01/01/70 00:00 | |
| Thanks | 01/01/70 00:00 | |
| Extra UART needed? | 01/01/70 00:00 | |
| Wires? Grounding?? | 01/01/70 00:00 | |
| uC to RF module interface wires | 01/01/70 00:00 | |
| disconnect the MAX232 | 01/01/70 00:00 | |
It looks like a straight tranceiver | 01/01/70 00:00 |