This chapter explains details of the SD card interface.
1. Overview of SD Card Interface
2. Registers
3. MMC Boot Operation
4. MMC Wait IRQ
2. Registers is created based on SD Specifications Part A2 SD Host Controller Simplified Specification
Version 3.00 (to be called SD Specifications Part A2 later in this document). Only registers having details
different from those explained in SD Specifications Part A2 are explained in 2. Registers. For details of
registers not explained in 2. Registers, refer to SD Specifications Part A2.