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Microcomputer based on the Z80 processor
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2017-05-23
board complete, generate gerber (x2) files
hardware
Nao Pross
49
-0
/
+0
2017-05-19
finish wiring and add eurocard compliant standard holes
Nao Pross
161
-0
/
+0
2017-05-19
wiring for 7 segment displays and traces for the remaining CPU signals
Nao Pross
50
-0
/
+0
2017-05-18
new traces for cpu signals and for high address to the MMU / addr decoder
Nao Pross
25
-0
/
+0
2017-05-18
wiring for CTC (U8) to address bus and data bus
Nao Pross
15
-0
/
+0
2017-05-18
wiring for P4 and P5 (I/O ports) and circuits for CLKs and RST
Nao Pross
4
-0
/
+0
2017-05-18
wires from DB-9 and HDR5x2 connector to MAX214 (U7) and crystal for TL16C550
Nao Pross
30
-0
/
+0
2017-05-09
created new layout (starting over)
Nao Pross
58
-0
/
+0
2017-05-05
complete wiring for serial interface connector and logic
Nao Pross
84
-0
/
+0
2017-05-05
add switches datasheets for footprints
Nao Pross
5
-0
/
+0
2017-04-28
start printed circuit board design
Nao Pross
123
-0
/
+0
2017-04-13
scheme update and PCB start
Nao Pross
37
-0
/
+0
2017-04-04
schematic complete
Nao Pross
112
-0
/
+0
2017-03-31
added iospace address decoder
Nao Pross
10
-0
/
+0
2017-03-23
changed scheme layout
Nao Pross
104
-0
/
+0
2017-03-17
hardware nearly finished
Nao Pross
324
-0
/
+0
2017-03-06
hw: moved everything to one sheet
Nao Pross
215
-0
/
+0
2017-02-24
hw: created library project, doc: added 74LS193 datasheet
Nao Pross
12
-0
/
+0
2017-02-24
hw: created sch, doc: added uart datasheet
Nao Pross
1
-0
/
+0
2017-02-14
hw: created z80acpu in sch library
Nao Pross
10
-0
/
+0