Table of Contents

SAGA SDCard Core

Overview

The SAGA SDCard Core can drive the MicroSD slot embedded on the Vampire boards. For more practical information, see Mounting a MicroSD card article.

Features

  • MicroSD SPI protocol.
  • Works with most SD HC cards, up to Class 10.
  • Works from AmigaOS 3.x with the sagasd.device.
  • Works will all Amiga FileSystems (FFS, SFS, PFS, FAT95).

SDCARD Registers

Register Name Access Size Description
DE0000 saga_sdcard_data RW UBYTE Read and Write Data
DE0004 SAGA_SDCARD_CTL W UWORD Write Control
DE0006 SAGA_SDCARD_STAT R UWORD Read Status
DE000C SAGA_SDCARD_CLK W UWORD Clock Speed

SDCard Definitions

Definition Name Value
nChipSelect SAGA_SDCARD_CTL_NCS (1 « 0)
nCardDetect SAGA_SDCARD_STAT_NCD (1 « 0)
nClockSelect SAGA_SDCARD_CLK_DIV(x) ((x) & 0xff)

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Last modified: le 2019/11/10 09:39

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