oberheimmatrix1000
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| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
| oberheimmatrix1000 [2016-08-31 11:52] – [Matrix 6/100 links] gde | oberheimmatrix1000 [2016-09-26 20:21] – Add PIT datasheet gde | ||
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| Line 111: | Line 111: | ||
| 0x1407 - Transmit/ | 0x1407 - Transmit/ | ||
| } | } | ||
| - | 0x1600 - 82C54 Programmable Timer (if A9 = 1) | + | 0x1600 - 82C54 Programmable Timer (if A9 = 1) { |
| This timer is the source of /IRQ back to the 6809 | This timer is the source of /IRQ back to the 6809 | ||
| + | 0x1600 - Counter 0 Register | ||
| + | 0x1601 - Counter 1 Register | ||
| + | 0x1602 - Counter 2 Register | ||
| + | 0x1603 - Control Word Register | ||
| + | } | ||
| } | } | ||
| Line 197: | Line 202: | ||
| {{ : | {{ : | ||
| + | ==== 82C54 Programmable Interval Timer | ||
| + | {{ :82c54.pdf | Datasheet}} | ||
| ===== Using r2 ===== | ===== Using r2 ===== | ||
oberheimmatrix1000.txt · Last modified: 2016-09-26 20:21 by gde