Difference between revisions of "Ports and Connectors"

From C256 Foenix Wiki
Jump to navigation Jump to search
m (RCA Line In)
m (SD Card)
Line 8: Line 8:
  
 
=== SD Card ===
 
=== SD Card ===
Standard SD Card jack using custom controller logic instantiated on an FPGA.
+
Standard SD Card slot using custom controller logic instantiated on an FPGA.
  
 
=== Joystick Ports ===
 
=== Joystick Ports ===

Revision as of 10:50, 15 February 2020

Front Panel

RCA Line In

These are standard RCA Line-In jacks, 2v P-P nominal.

Headphone Jack

Standard 1/8" stereo headphone jack.

SD Card

Standard SD Card slot using custom controller logic instantiated on an FPGA.

Joystick Ports

The joystick ports, from left to right, are numbered 1,2,3,4.

  • Ports 1 and 2 may be electrically configured as 12 bit (S)NES style ports or as TTL ports.
  • Ports 2 and 4 are ATARI/C64 style ports and include analog inputs.
DB9 1&2 (S)NES 1&2 TTL 3&4 ATARI/C64
1 ignored UP UP
2 ignored DOWN DOWN
3 ignored LEFT LEFT
4 ignored RIGHT RIGHT
5 LATCH Button 1 POT-Y
6 DATA Button 0 BUTTON
7 +5 +5 +5
8 GND GND GND
9 CLK Button 2 POT-X

Reset Switch

"Power" LED

The power LED is under software control.

Rear Panel

Power

The power connector is a 12v center-positive 2.5mm barrel connector. The bare board should operate on as little as 500ma, but you should plan on more if you are adding a floppy drive, hard drive, etc.

Power Switch

Just an ordinary rocker switch.

DVI-I

The Video connector is DVI with digital and analog output suitable for use with passive VGA and HDMI adaptors.

Internal

Serial

The 8-pin serial header follows the DTK/INTEL standard: