EverDrive-64 v3

The EverDrive-64 v3 is a flash cart made by Krikzz.

Basic information
ROM: Max 64MiB

RTC: supported

Save: 4k/16k bit EEPROM, 32KiB/128KiB SRAM, 128KiB Flash

USB Serial: 512-bytes block read-write

Registers
All registers must be accessed by 32bit word, but it seems only lower 16bits are valid.

High 16bits of all registers seems REG_STATUS on read.

Base PI address for registers is  (Cartridge Domain 2, SRAM area +0x40000)

You should access these registers from CPU through no-cached segment, i.e., ex. for REG_KEY.

0x08040000 (REG_CFG)
R/W

...other regs TBA

USB Serial Communication
TBA