Run each microcode phase for a given instruction word. Triggers register inputs and outputs. The microcode handles the phase counter, condition bits (adder S23 and adder carry) as well as execution modes (normal, reset, busreq and interrupt).
Contains the 3 microcode ROM chips on ZIF sockets.
Date: 2022-01-08
| Step | Status ✓ |
|---|---|
| Project name and folder | ✓ |
| Matches main schematic | ✓ |
| Component labels | ✓ |
| Net labels and wires | ✓ |
| All components updated | ✓ |
| Components and nets check | ✓ |
| Symbol design | ✓ |
| JMC logo and QR code | ✓ |
| Screw holes | ✓ |
| Main decoupling capacitor | ✓ |
| 2 GND connectors | ✓ |
| Headers match backplane reference | ✓ |
| Sheet info | ✓ |
| Simulator updated | ✓ |
| Step | Status ✓ |
|---|---|
| File name | ✓ |
| Units set to mil | ✓ |
| Design rules check | ✓ |
| Schematic synced | ✓ |
| All components updated | ✓ |
| Routing design recommendations | ✓ |
| Board layout | ✓ |
| Board size | ✓ |
| Text size and orientation | ✓ |
| Routing optimization pass | ✓ |
| Step | Status ✓ |
|---|---|
| Gerber generated | ✓ |
| PCB built | ? |
| Components fit | ? |
| Components soldered | ? |
| Connectors fit | ? |
| First power on | ? |
| Functional tests | ? |
| Step | Status ✓ |
|---|---|
| Link to Schematic PDF | ✓ |
| Link to Gerber | ✓ |
| Link to EasyEDA export package | ✓ |
| Pictures | ? |
| Assembly guide integration | ? |