CYUSB3031-BZXC Ver la hoja de datos (PDF) - Cypress Semiconductor
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CYUSB3031-BZXC Datasheet PDF : 54 Pages
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CYUSB303X
The MMC slave interface features are as follows:
■ Interface operations are compatible with the MMC-System
Specification, MMCA Technical Committee, Version 4.2.
■ Supports booting from an eMMC device connected to the
S-Port. This feature is supported for eMMC devices operating
up to 52-MHz SDR.
■ Supports PMMC interface voltage ranges of 1.7 V to 1.95 V
and 2.7 V to 3.6 V.
■ Supports open drain (both drive and receive open drain signals)
on CMD pin to allow GO_IRQ_STATE (CMD40) for PMMC.
■ Interface clock-frequency range: 0 to 52 MHz.
■ Supports 1-bit, 4-bit, or 8-bit mode of operation. This
configuration is determined by the MMC initialization
procedure.
■ FX3S responds to standard initialization phase commands as
specified for the MMC 4.2 slave device.
■ PMMC mode MMC 4.2 command classes: Class 0 (Basic),
Class 2 (Block read), and Class 4 (Block write), Class 9 (I/O).
FX3S supports the following PMMC commands:
■ Class 0: Basic
CMD0, CMD1, CMD2, CMD3, CMD4, CMD6, CMD7, CMD8,
CMD9, CMD10, CMD12, CMD13, CMD15, CMD19, CMD5
(wakeup support)
■ Class 2: Block Read
CMD16, CMD17, CMD18, CMD23
■ Class 4: Block Write
CMD16, CMD23, CMD24, CMD25
■ Class 9: I-O
CMD39, CMD40
Document Number: 001-84160 Rev. *G
Page 9 of 54
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