CYUSB303X View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

Manufacturer

CYUSB303X

EZ-USB® FX3S SuperSpeed USB Controller

Cypress Semiconductor 

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

Share Link: