F256JR2 (a.k.a. JrJr)
PRODUCT SPECIFICATIONS

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)
F256 Foenix Emulator
(Emulator for the F256 Jr)
General Specifications
SYSTEM
Low-Cost WDC W65C816S System
- CPU: WDC65C816 @ 6.29Mhz
System General Memory
- 512KBytes Static RAM (Actually has a 1Mx16 on board)
- 512KBytes FLASH
Options (extra cost)
- 256K Flash Expansion Module
- 256K RAM Expansion Module (Code Memory)
Other CPU Options
- FNX6809 – a FPGA Load exists that incorportate the CPU & System and officially runs OS9.
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
More Information
Wiki : wiki.f256foenix.com

VIDEO SUB-SYSTEM
Graphics Engine
TinyVicky Mark II
Resolutions
Text Modes:
80×60, 40×60, 80×30, 40×30 (@ 60Hz)
80×50, 40×50, 80×25, 40×25 (@ 70Hz)
Graphics Modes:
320×240 @ 60Hz
320×200 @ 70Hz
Color Depth
256 Colors – 8bits Per Pixel – For All Modes. (4x LUT)
Graphics Engine Features
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)
DVI Output on Micro-HDMI Connector
STEM MISC
Media
Micro SDCard on Top Front (Main)
Micro SDCard on bottom (Parmanent Storage)
Communication Ports
1x USB-C Port for Debug
1x USB-C Port for System Serial
1x UART for Wiznet Wizfi360 Module
1x UART on Expansion Connector
1x UART for MIDI on Expansion Connector
Joysticks
2x Atari Style Input in Expansion Connector
1x NES/SNES Connector for NES/SNES Adapter (excluded)
Others
Expansion Connector to allow Memory Expansion or Else.
AUDIO SUB-SYSTEM
FPGA Sound
2x FPGA PSG – SN76489
2x FPGA SID
1x FPGA OPL3
3x Voices Per Channel or 6x Voices Mono
Audio Sampling
No DAC Port (as of the writing of this specs)
Misc
2.5mm Stereo Line-Out (in the Back)
2.5mm Headphone Connector (in the Front)
MECHANICAL SPECS
Enclosure Dimension
Nano-ITX Standard Form Factor
Product Weight
TBD