oberheimmatrix1000
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
oberheimmatrix1000 [2016-07-28 17:30] – AidanDodds | oberheimmatrix1000 [2016-07-30 07:03] – [Memory Map] gde | ||
---|---|---|---|
Line 5: | Line 5: | ||
http:// | http:// | ||
- | ===== schematic | + | ===== Schematics |
{{ : | {{ : | ||
- | ===== github | + | ===== Github |
https:// | https:// | ||
Line 46: | Line 46: | ||
< | < | ||
- | 0x0000 | + | 0x0000-0x1fff: |
I/O* | I/O* | ||
U819: { | U819: { | ||
- | 0x0000 T1* | + | 0x0000-0x03ff |
- | 0x0400 T2* | + | 0x0400-0x07ff |
- | 0x0800 T3* | + | 0x0800-0x0bff |
- | 0x0c00 T4* | + | 0x0c00-0x0fff |
T1-T4 are 82C54 Programmable Timers | T1-T4 are 82C54 Programmable Timers | ||
0x1000 DAC | 0x1000 DAC | ||
Line 75: | Line 75: | ||
b10000000 - DAC 4 | b10000000 - DAC 4 | ||
- | 0x1400 UORV* { | + | 0x1400-0x17ff |
| | ||
0x1400 - $ U809 - 68850 - UART (if A9 = 0) | 0x1400 - $ U809 - 68850 - UART (if A9 = 0) | ||
Line 82: | Line 82: | ||
} | } | ||
- | 0x1800 SW* | + | 0x1800-0x1bff |
Front panel switches: { | Front panel switches: { | ||
0x1800: Read push buttons 0-7 | 0x1800: Read push buttons 0-7 | ||
Line 97: | Line 97: | ||
} | } | ||
} | } | ||
- | 0x1c00 | + | 0x1c00-0x1fff WRITE ONLY |
U820: { | U820: { | ||
- | 0x1c00 L1* | + | 0x1c00-0x1c7f |
- | | + | |
- | | + | |
- | | + | |
- | $ U818 - 74LS174 - 6bit latch { | + | $ U818 - 74LS174 - 6bit latch, address bank register |
b000001 - VA13 | b000001 - VA13 | ||
b000010 - VA14 | b000010 - VA14 | ||
Line 111: | Line 111: | ||
b100000 | b100000 | ||
} | } | ||
- | | + | |
- | | + | |
- | | + | |
(LED1 to 3 are 7-segment displays labelled DISP 1 to 3 respectively. Segment mapping tbd) | (LED1 to 3 are 7-segment displays labelled DISP 1 to 3 respectively. Segment mapping tbd) | ||
- | | + | |
6 single LEDs { | 6 single LEDs { | ||
0x01 - CHANNEL | 0x01 - CHANNEL | ||
Line 157: | Line 157: | ||
} | } | ||
</ | </ | ||
+ | |||
+ | ===== Component Datasheets ===== | ||
+ | |||
+ | ==== 6850 UART ==== | ||
+ | |||
+ | {{ : | ||
+ | |||
oberheimmatrix1000.txt · Last modified: 2016-09-26 20:21 by gde