| ??? 10/29/08 18:27 Read: times |
#159491 - It does not matter Responding to: ???'s previous message |
You are not going to drive or sink 27 LEDs You are going to need drivers. I2C or shift register gets you as few as 2 pins. |
| Topic | Author | Date |
| Need help picking 8051 CAN device | 01/01/70 00:00 | |
| Count the output pins | 01/01/70 00:00 | |
| reply | 01/01/70 00:00 | |
| datasheet? | 01/01/70 00:00 | |
| Doesn't the datasheet tell you that? | 01/01/70 00:00 | |
USE MCU with onchip ROM, free 18+ port pins | 01/01/70 00:00 | |
| search here | 01/01/70 00:00 | |
| reply | 01/01/70 00:00 | |
| It does not matter | 01/01/70 00:00 | |
| SILabs has an 8-porter with CAN | 01/01/70 00:00 | |
| C8051F040 | 01/01/70 00:00 | |
| low current LEDs? | 01/01/70 00:00 | |
| Alternative suggestion. | 01/01/70 00:00 |