F256K2

PRODUCT SPECIFICATIONS

Introducing the F256K2

From now on it will be replacing the F256K
Full System Pre-Sale will begin mid-June 2024
Board Upgrade for F256K is now on – May 18th, 2024 (delivery July 2024)

Preliminary Information

System Datasheet

Development Tools

Foenix IDE (Emulator)
(Development System for Foenix Products)

https://github.com/Trinity-11/FoenixIDE/releases

Calypsi C/ASM 65C02 Tool Chain
(Supports Foenix Products)

https://www.calypsi.cc/

F256 Foenix Emulator
(Emulator for the F256 Jr/F256K)

https://github.com/paulscottrobson/junior-emulator

General Specifications

SKU:

F256K2 – F256K2 Main Board + Optical Keyboard + Official F256K2 Enclosure
Release Date: Oct 2024

F256K2L – F256K2 Main Board + F256K Mechanical Keyboard + F256K Enclosure
Release Date: July 2024

F256K2B – F256K2 Main Board Only for F256K upgrade to F256K2
Release Date: May 2024


SYSTEM

  • CPU: On Board W65C816 (TQFP)
  • Runs in Emulation Mode (65C02) in its default state
  • Now the FNX6809 will be integrated with the F256K2 core to support Lvl2 OS9
System General Memory
  • 512KBytes Static RAM (Code & Data)
  • 512KBytes FLASH
  • 128MBytes DDR3 RAM (Graphics & Data)
Media & Network
  • External SDCard (Normal Sizes)
  • Internal SDCard (Micro Sized)
  • IEC Port for connectivity with FNX1591 & FNX1592HD
  • Copper Ethernet Port with Controller with integrated IP Stack
  • WIFI Module with Controller with integrated IP Stack
Sound Sub-system
  • FPGA Integrated – 2x PSG (SN76489) Mono/Stereo
  • FPGA Integrated – 2x Giddeon SID Mono/Stereo
  • FPGA Integrated – OPL3
  • Onboard Wavetable Chip – DREAM – SAM2695
  • Optional MIDI Kit
    (External Midi Connector + WT Daughter B oard Connector)
Video Sub-system
  • New VICKY “The Fourth” 2D/3D* Graphic Engine Core 
  • DVI Output over HDMI connector

*: The early core will do 2D only, but later 3D Graphics functionabilities will be added.

Misc
  • 2x DB9 – 3 Buttons Atari Style Joysticks Ports
  • USB-C Port – For FPGA reprogram/Debug Port/Serial Port
  • PS2 Connector for Mouse or Keyboard
  • FNX4N4S Connector
  • In its final form – Gateron KS-22 Optical Keyboard
Options (extra cost)
  • 256K RAM Expansion Module (Code & Data)
  • 256K FLASH Expansion Module
  • MIDI Connectors
Wiki
wiki.f256foenix.com
    Software Support
    • Comes with an Installed (Flashed) micro-kernel & SuperBASIC on BOOT
    • Can be reflashed with user software
    • USB background debug port to read and write directly in memory to speed up development

    Reference Manual

    https://github.com/pweingar/C256jrManual/blob/main/tex/f256jr_ref.pdf

    VIDEO SUB-SYSTEM

    Graphics Engine

    VICKY “The FOURTH”

    (CFP95600)

    Resolutions

    F256K Compatible Text Modes:
    80×60, 40×60, 80×30, 40×30 (@ 60Hz)
    80×50, 40×50, 80×25, 40×25 (@ 70Hz)

    F256K Compatible Graphics Modes:
    320×240 @ 60Hz
    320×200 @ 70Hz

    F256K2 Compatible Only Graphics Modes:
    320×240 @ 60Hz
    320×200 @ 70Hz
    640×480 @ 60Hz
    640×400 @ 70Hz

    Color Depth

    F256K Compatible:
    256 Colors – 8bits Per Pixel – For All Modes. (4x LUT)
    F256K2 Modes:
    32Bits RGBA

     

    Graphics Engine Features

    F256K Compatible Modes
    3 Layer System + Interstitial Sprites Layer
    Can be any choices of Bitmap or Tiles.
    Out of 3x Bitmap Layers
    Out of 3x Tilemap Layers
    64x Sprites Muxable (8×8, 16×16, 24×24, 32×32)
    DMA Engine (Non-Transparent)

    F256K2 Graphics Engine Features

    TBD

    SYSTEM MISC


    Media

    IEC Port – Commodore Drive – (With Fast Mode Support)
    Full-Size SDCard
    On board uSDCard for permanent Storage

    Network

    Wiznet W6100L Controller with integrated IP Stack
    Wiznet Wifi360 module with integrated IP Stack

    Joysticks

    2x Atari Style Input
    1x MiniDIN9 NES/SNES Connector for NES/SNES Adapter (excluded)

    Keyboard

    F256K2L (F256K Mechanical Keyboard)
    66Keys Mechanical Keyboard with programable 3xRGB Status LEDs

    F256K2
    66Keys Optical Keyboard with programable 4xRGB Status LEDs

    Expansion Slot

    RAM Cartridge
    FLASH Cartridge
    IO Card (VIA) – Developped by a third-party

    Splash Screen LCD

    (Official F256K2 Enclosure)

    280×240 @ 16bits per pixel (SPI Interface)

    AUDIO SUB-SYSTEM

    FPGA Sound

    2x Instances of PSG – SN76489
    2x Instances of Guideon SID
    1x OPL3

    Midi Wavetable 

    Dream SAM2695

    Audio Sampling

    DAC Ports

    Misc

    RCA Stereo Line-Out
    1/8″ inch Headphone Output Connector

     

    MECHANICAL SPECS


    What’s in the box

    F256K2B:
    Main board Assembly + back bezel 
    WiFi antenna
    Internal uSDCard Installed

    F256K2L:
    Main unit with Mechanical keyboard with back bezel 
    WiFi antenna
    Internal uSDCard Installed

    F256K2:
    Main unit with Optical keyboard with back bezel 
    WiFi antenna
    Internal uSDCard Installed

    Enclosure Dimension

    TBD

    Product Weight 

    ~2lb