Commit graph

26 commits

Author SHA1 Message Date
Gregor Riepl
ba983ad9da Removed some extras and finished routing PCB 2024-09-28 22:15:21 +02:00
Gregor Riepl
b1dd0f0aaf Added UART lib ROM, addr logic and placed ICs 2024-09-09 12:35:14 +02:00
Gregor Riepl
cb53088da3 Revert back to SOP-28
This reverts commit e915f888f8.
2024-09-06 09:22:57 +02:00
Gregor Riepl
e915f888f8 PCB with DIP-28 SRAM 2024-09-06 09:21:51 +02:00
Gregor Riepl
9229cef954 Drop excluded parts from BOM 2024-09-04 07:46:42 +02:00
Gregor Riepl
d3379170c1 Refresh schema and PCB, remove obsolete sections 2024-09-04 07:33:55 +02:00
Gregor Riepl
e6ca30ddba Routed 62c2256 RAM, added speaker 2024-03-13 08:19:07 +01:00
Gregor Riepl
ae654de79a wip v4 variant 2024-03-10 14:44:15 +01:00
Gregor Riepl
5ab7d36e3a Group blocks in schematic 2024-03-10 13:30:34 +01:00
Gregor Riepl
aaa309abfe Add HCT10 option to reduce propagation delay 2024-03-09 11:22:57 +01:00
Gregor Riepl
b814979dab CE should depend on phi2 2024-03-06 23:56:51 +01:00
Gregor Riepl
1a9320a034 Add test points, reorder reset header 2024-03-02 23:58:15 +01:00
Gregor Riepl
68d7e86e99 Layout 2024-02-08 01:33:47 +01:00
Gregor Riepl
aab0e2b974 Added pulse generator to WR pin 2024-02-08 01:32:12 +01:00
Gregor Riepl
5dbada7773 Add measurements and comment about connectors 2023-11-12 22:06:23 +01:00
Gregor Riepl
30086b7cfd Update sheet versions 2023-11-12 21:53:52 +01:00
Gregor Riepl
01487a4c75 Correct pinout for PET mem interface 2023-11-12 21:51:37 +01:00
Gregor Riepl
01de5ae605 Ignore plot output 2023-11-12 21:51:13 +01:00
Gregor Riepl
286b80476c Enlarged vias for cnc production 2023-10-17 23:43:20 +02:00
Gregor Riepl
5cb86b57ba Reposition silk screen 2023-10-17 23:01:18 +02:00
Gregor Riepl
b484a0842c Add sheet descriptions, make some vias more accessible 2023-10-13 21:22:23 +02:00
Gregor Riepl
22778fce4f Designate power connector same as on main board 2023-10-13 14:08:04 +02:00
Gregor Riepl
e20ca7fe49 Add 5V regulator 2023-10-13 14:04:56 +02:00
Gregor Riepl
5f8c386c82 Gate out A15 2023-10-13 11:53:55 +02:00
Gregor Riepl
adcadc5eec Relayout to reduce crossing 2023-10-13 11:04:36 +02:00
Gregor Riepl
741f704ef9 Initial checkin 2023-10-13 09:27:04 +02:00