Cypress Semiconductor CY7C68301C Manual de usuario Pagina 1

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CEZ-USB AT2LP™ USB 2.0 toATA/ATAPI BridgeCypress Semiconductor Corporation • 198 Champion Court • San Jose,

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 10 of 4430 16 23 SDA I/O Data signal for I2C interface. (See SCL,

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 11 of 4467 33 40 INTRQ I[6]Input ATA interrupt request.68 34 41 D

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 12 of 4495 49 56 DD12 I/O[8]High Z ATA data bit 12.96 50 1 DD13 I

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 13 of 44Additional Pin DescriptionsThe following sections provide

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 14 of 44Figure 7. SYSIRQ Latching AlgorithmDRVPWRVLDWhen this pi

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 15 of 44ATA Interface PinsThe ATA Interface pins must be connecte

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 16 of 44files, provides an easy way to enable and modify the HIDf

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 17 of 442 bmATACBActionSelect This field controls the execution o

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 18 of 443 bmATACBRegisterSelect This field controls which of the

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 19 of 44Operating Modes The different modes of operation and EEPR

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 2 of 44ApplicationsThe CY7C68300C/301C and CY7C68320C/321C implem

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 20 of 44Fused Memory DataWhen no EEPROM is detected at startup, t

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 21 of 44MfgCBThe mfg_load and mfg_read vendor-specific commands a

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 22 of 44EEPROM OrganizationThe contents of the recommended 256-by

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 23 of 44Table 11. Configuration Data Organization Byte AddressCo

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 24 of 44SRST Enable Bit 1Determines if the AT2LP is to do an SRST

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 25 of 440x08 BUTTON_MODE Bit 7Button mode (100-pin package only).

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 26 of 440x09 ReservedGeneral Purpose I/O Pin Output EnableBits 7:

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 27 of 44Search ATA on VBUS Bit 0Search for ATA devices when VBUS

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 28 of 440x2A bNumConfigurations Number of configurations supporte

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 29 of 44USB Bulk In Endpoint0x45 bLength Length of this descripto

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 3 of 44ContentsIntroduction ...

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 30 of 44(Optional) HID Report Descriptor0x66 Usage_Page Vendor de

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 31 of 440x8B bAlternateSetting Value used to select an alternate

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 32 of 44USB String Descriptor–Manufacturer0xA5 bLength String des

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 33 of 440xCE bString Unicode character MSB 0x000xCF bString Unico

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 34 of 44Note More than 0X100 bytes of configuration are shown for

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 35 of 44Programming the EEPROMThere are three methods of programm

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 36 of 44Absolute Maximum RatingsExceeding maximum ratings may imp

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 37 of 44AC Electrical CharacteristicsATA Timing CharacteristicsTh

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 38 of 44Package DiagramsFigure 11. 100-pin Thin Plastic Quad Fla

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 39 of 44Figure 13. 56-pin QFN 8 × 8 mm LF56AFigure 14. 56-pin Q

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 4 of 44IntroductionThe EZ-USB AT2LP (CY7C68300C/CY7C68301C andCY

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 40 of 44General PCB Layout Recommendations for USB Mass Storage D

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 41 of 44Figure 16. Plot of the Solder Mask (White Area)Figure 17

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 42 of 44Acronyms Document ConventionsUnits of MeasureAcronym Desc

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 43 of 44Document History PageDescription Title: CY7C68300C/CY7C68

Document Number: 001-05809 Rev. *K Revised May 24, 2012 Page 44 of 44All products and company names mentioned in this document may be the trademarks

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 5 of 44Pin DiagramsThe AT2LP is available in different package ty

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 6 of 44Figure 3. 56-pin QFN Pinout (CY7C68300C/CY7C68301C)Note I

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 7 of 44Figure 4. 56-pin QFN Pinout (CY7C68320C/CY7C68321C)GNDVCC

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 8 of 44Figure 5. 100-pin TQFP Pinout (CY7C68320C only)1009998979

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument Number: 001-05809 Rev. *K Page 9 of 44Pin DescriptionsThe following table lists the pinouts for