Cypress Semiconductor CY7C68301C Bedienungsanleitung Seite 1

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

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 10 of 4228 N/A N/A NC No connect.29 15 22 SCL O Active for several ms at

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 11 of 426364N/A N/A NC NC No connect.65 N/A N/A GND GND Ground.66 32 39 V

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 12 of 42Additional Pin DescriptionsThe following sections provide additio

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 13 of 42SYSIRQThe SYSIRQ pin provides a way for systems to request servic

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 14 of 42DRVPWRVLDWhen this pin is enabled with bit 0 of configuration add

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 15 of 42RESET#Asserting RESET# for 10 ms resets the entire AT2LP. Inself-

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 16 of 42 Table 6. ATACB Field DescriptionsByte Field Name Field Descript

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 17 of 423 bmATACBRegisterSelect This field controls which of the taskfile

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 18 of 42Operating Modes The different modes of operation and EEPROM infor

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 19 of 42Fused Memory DataWhen no EEPROM is detected at startup, the AT2LP

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 2 of 42ApplicationsThe CY7C68300C/301C and CY7C68320C/321A implementa USB

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 20 of 42MfgCBThe mfg_load and mfg_read vendor-specific commands arepassed

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 21 of 42EEPROM OrganizationThe contents of the recommended 256-byte (2048

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 22 of 42Table 11. Configuration Data Organization ByteAddressConfigurati

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 23 of 42SRST Enable Bit 1Determines if the AT2LP is to do an SRST reset d

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 24 of 420x08 BUTTON_MODE Bit 7Button mode (100-pin package only). Sets AT

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 25 of 420x09 ReservedGeneral Purpose I/O Pin Output EnableBits 7:6Reserve

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 26 of 42Search ATA on VBUS Bit 0Search for ATA devices when VBUS returns.

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 27 of 420x29 bMaxPacketSize0 USB packet size supported for default pipe

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 28 of 420x44 bInterval High speed interval for polling (maximum NAK rate)

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 29 of 420x66 Usage_Page Vendor defined 0x060x67 0xA00x68 0xFF0x69 Usage V

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 3 of 42The ATA/ATAPI port of the AT2LP is connected to one or twomass sto

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 30 of 420x8C bNumEndpoints Number of endpoints used by this interface (ex

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 31 of 420xA7 bString Unicode character LSB ’C’ 0x430xA8 bString Unicode c

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 32 of 42USB String Descriptor–Product0xD1 bLength String descriptor lengt

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 33 of 42Note: More than 0X100 bytes of configuration are shown for exampl

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 34 of 42Programming the EEPROMThere are three methods of programming the

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 35 of 42Absolute Maximum RatingsExceeding maximum ratings may impair the

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 36 of 42AC Electrical CharacteristicsATA Timing CharacteristicsThe ATA in

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 37 of 42Package DiagramsFigure 12. 100-Pin Thin Plastic Quad Flatpack (1

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 38 of 42Figure 13. 56-Pin Shrunk Small Outline Package 056Package Diagra

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 39 of 42Figure 15. 56-Pin QFN (8 X 8 X 0.9 MM) - SawnFigure 14. 56-Pin

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 4 of 42Pin DiagramsThe AT2LP is available in different package types to m

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 40 of 42General PCB Layout Recommendations for USB Mass Storage DesignsTh

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 41 of 42Figure 17 is a plot of solder mask pattern and Figure 18 displays

Document 001-05809 Rev. *B Revised June 03, 2009 Page 42 of 42Purchase of I2C components from Cypress or one of its sublicensed Associated Companies c

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 5 of 42Figure 3. 56-Pin QFN Pinout (CY7C68300C/CY7C68301C)NOTE: Italic l

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 6 of 42Figure 4. 56-Pin SSOP Pinout (CY7C68320C/CY7C68321C)5678910111213

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 7 of 42Figure 5. 56-Pin QFN Pinout (CY7C68320C/CY7C68321C)GNDVCCGPIO2 G

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 8 of 42Figure 6. 100-Pin TQFP Pinout (CY7C68320C/CY7C68321C only)1009998

CY7C68300C, CY7C68301CCY7C68320C, CY7C68321CDocument 001-05809 Rev. *B Page 9 of 42Pin DescriptionsThe following table lists the pinouts for the 56-p