| ??? 02/19/08 20:58 Read: times |
#151168 - There are 16-bit Expanders Responding to: ???'s previous message |
I would suggest that you consider the use of a 16-bit I/O expander:
http://focus.ti.com/docs/prod...a9535.html With this at 0.96/1K it is less than half the cost of your slave MCU idea and you avoid having to mess around with programming the things. Michael Karas |
| Topic | Author | Date |
| lots of i/o | 01/01/70 00:00 | |
| There are 16-bit Expanders | 01/01/70 00:00 | |
| The + and - of the slave processor | 01/01/70 00:00 | |
| the logical solution is to ... | 01/01/70 00:00 | |
| Roll 'yer own, and get exactly what you want | 01/01/70 00:00 | |
| why bother | 01/01/70 00:00 | |
| you're right, if "conventional" I/O ports are OK | 01/01/70 00:00 | |
| Max 7301 | 01/01/70 00:00 | |
| lots of i/o part 2 | 01/01/70 00:00 | |
| Theres a 40way NXP I/O expander | 01/01/70 00:00 | |
| Simple Distributed Concept | 01/01/70 00:00 | |
| very valid point | 01/01/70 00:00 | |
| For sure.....the multi-port job.... | 01/01/70 00:00 | |
| lots of i/o part 3 | 01/01/70 00:00 | |
| I love slave processors | 01/01/70 00:00 | |
MCP23008 | 01/01/70 00:00 |