oberheimmatrix1000
Differences
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Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
oberheimmatrix1000 [2016-08-31 11:52] – [Matrix 6/100 links] gde | oberheimmatrix1000 [2016-09-26 20:21] (current) – [6850 UART] gde | ||
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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