| ??? 02/01/10 14:45 Read: times Msg Score: +1 +1 Good Answer/Helpful |
#172834 - Did you provide a resistor... Responding to: ???'s previous message |
If you read the DS1307 data sheet you will see "The SQW/OUT pin is open drain and requires an external pull-up resistor". Have you provided for this resistor in your circuit?
Michael Karas |
| Topic | Author | Date |
| problem with ds1307 andi2c | 01/01/70 00:00 | |
| Did you provide a resistor... | 01/01/70 00:00 | |
pull up on ds1307 sqwout | 01/01/70 00:00 | |
| Pullup resistor size... | 01/01/70 00:00 | |
| clock halt bit? | 01/01/70 00:00 | |
| ds1307 and i2c problem | 01/01/70 00:00 | |
| A 10MHz analog scope is fine for 100kHz i2c | 01/01/70 00:00 |