mcklaud76 / timmy

Timex Computer 2048 clone with 80KB RAM and PSG on board. Bill of Materials is available at

Timmy

Timex Computer 2048 clone with 80KB RAM on board.

© 2021 KWF

Date: 03/11/2021

The clone (v.0.3) includes:

• Z80A (3.5MHz) CPU,
• Timex SCLD or its replacement called SCLD Q,
• 16KB lower RAM,
• 2 x 32KB upper RAM (bank switching controlled by #FF port),
• 2 x 16KB ROM (selectable),
• AY-3-8910 sound chip controlled via SCLD ports (Timex or ZX128K),
• improved Kempston joystick interface,
• RGB and composite video outputs,
• compatible with TC2048 keyboard,
• RESET button,
• PCB in dimensions and size of the Timex Computer 2048 board,
• MH-M18 Bluetooth (BT) audio module for wireless tape loadig.

Changes to previous revision:

• SCLD footprint corrections,
• corrected edge connector layout,
• added BT audio module,
• added PSG I/O port A connector.

For detailed information visit: Timmy @ speccy.pl

If you are interested in hardware tests watch my YouTube Channel

Photos

Comparision Timmy v0.2 with TC2048 Board:

Testing setup (v1.1):

Colour test output (v1.1):

Warranty

No Warranty of the Project. The Issuer makes no express or implied warranty of any kind whatsoever with respect to the Project.

License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) if not stated otherwise.