ShuriZma
/
stella
mirror of https://github.com/stella-emu/stella.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Updated Retron 77 (markdown)

Christian Speckner 2019-01-27 20:20:29 +01:00
parent 6a88d2659a
commit 37d8d262e0
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Retron-77.md

@ -11,7 +11,7 @@ The R77 contains the following hardware
* A Weltrend WT51F104S MCUs that drives the cartridge dumper (connected via UART)
* Another WT51F104S that drives the front panel with the joystick ports (connected via I2C)
* SD card slot
* Micro USB connector (for power only)
* Micro USB connector
There is no onboard flash memory.
@ -35,6 +35,14 @@ There is a single UART header (labelled as UART0) on the mainboard that can be u
[[https://github.com/stella-emu/stella-emu.github.io/blob/master/r77/uart.jpg]]
## USB
The external micro USB connector has its data lines connected and can be used to connect USB peripherals (in conjunction with an USB OTG adaptor to power the device). In addition, there is an additional USB port exposed on the board as JP1:
[[https://github.com/stella-emu/stella-emu.github.io/blob/master/r77/uart.jpg]]
Credit for discovering this (both header and micro USB) goes to Fluxit on AtariAge.
# Software
## Overview