| ??? 09/12/07 21:11 Read: times |
#144518 - Scoping = "use an oscilloscope" Responding to: ???'s previous message |
Prateek said:
What do you mean by scoping the pins. It means to look the voltage levels on the various pins with an oscilloscope. That will tell you whether Hyperterminal is actually changing the RTS signal, and if it is, whether the signal is making it all the way to P1.1 -- Russ |
| Topic | Author | Date |
| Hardware Flow Control | 01/01/70 00:00 | |
| do you have a pullup resistor on P1.0 ? | 01/01/70 00:00 | |
| No Pullup on P1.0 | 01/01/70 00:00 | |
| no | 01/01/70 00:00 | |
| Pullup Put | 01/01/70 00:00 | |
| scope the pins | 01/01/70 00:00 | |
| Pins Scoped | 01/01/70 00:00 | |
| IC1A is HD74LS00P | 01/01/70 00:00 | |
| Shematic Posted | 01/01/70 00:00 | |
| is everything 5V powered? | 01/01/70 00:00 | |
| Yes | 01/01/70 00:00 | |
| More silly questions | 01/01/70 00:00 | |
| Sillier Ques. | 01/01/70 00:00 | |
| Scoping = "use an oscilloscope" | 01/01/70 00:00 | |
| FYI Erik and Russ; Re: Scope | 01/01/70 00:00 | |
| No line for RTS in cable!!!! | 01/01/70 00:00 | |
| Will it work? | 01/01/70 00:00 | |
| IT finally worked !! | 01/01/70 00:00 | |
| so, you wasted almost a whole day | 01/01/70 00:00 | |
| Aw, c'mon | 01/01/70 00:00 | |
| It may not apply here, but .... | 01/01/70 00:00 | |
A little excessive | 01/01/70 00:00 | |
| even old timers have to debug | 01/01/70 00:00 |