CY7C68321C Datasheet PDF - Cypress Semiconductor
| Part Number | CY7C68321C | |
| Description | USB 2.0 to ATA/ATAPI Bridge | |
| Manufacturers | Cypress Semiconductor | |
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There is a preview and CY7C68321C download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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CY7C68300C/CY7C68301C
CY7C68320C/CY7C68321C
EZ-USB AT2LP™ USB 2.0 to
ATA/ATAPI Bridge
EZ-USB AT2LP™ USB 2.0 to ATA/ATAPI Bridge
Features
■ Fixed Function Mass Storage Device - Requires no Firmware
■ Two Power Modes: Self Powered and USB Bus Powered to
enable Bus Powered CF (CompactFlash) Readers and Truly
Portable USB Hard Drives
■ Certified Compliant for USB 2.0 (TID# 40490119), the USB
Mass Storage Class, and the USB Mass Storage Class
Bulk-Only Transport (BOT) Specification
■ Operates at High-Speed (480 Mbps) or Full-Speed (12 Mbps)
USB
■ Complies with ATA/ATAPI-6 Specification
■ Supports 48-bit Addressing for Large Hard Drives
■ Supports ATA Security Features
■ Supports any ATA Command with the ATACB Function
■ Supports Mode for BIOS Boot Support
■ Supports ATAPI Serial Number VPD Page Retrieval for Digital
Rights Management (DRM) Compatibility
■ Supports PIO Modes 0, 3, and 4, Multiword DMA Mode 2, and
UDMA Modes 2, 3, and 4
■ Uses One Small External Serial EEPROM for Storage of USB
Descriptors and Device Configuration Data
■ ATA Interface IRQ Signal Support
■ Supports one or two ATA/ATAPI Devices
■ Supports CompactFlash and one ATA/ATAPI Device
■ Supports Board-level Manufacturing Test using the USB I/F
■ Places the ATA Interface in High Impedance (High Z) to enable
Sharing of the ATA Bus with another Controller such as an
IEEE-1394 to ATA Bridge Chip or MP3 Decoder)
■ Low Power 3.3 V Operation
■ Fully Compatible with Native USB Mass Storage Class Drivers
■ Cypress Mass Storage Class Drivers available for Windows®
(98SE, ME, 2000, XP) and Mac OS X operating systems
Features (CY7C68320C/CY7C68321C only)
■ Supports HID Interface or Custom GPIOs to enable features
such as Single Button Backup, Power Off, and LED-based
Notification
■ 56-pin QFN and 100-pin TQFP Pb-free Packages
■ CY7C68321C is Ideal for Battery Powered Designs
■ CY7C68320C is Ideal for Self and Bus Powered Designs
■ Automotive AEC Grade Option (–40 °C to 85 °C)
Features (CY7C68300C/CY7C68301C only)
■ Pin Compatible with CY7C68300A (using Backward
Compatibility Mode)
■ 56-pin SSOP and 56-pin QFN Pb-free Packages
■ CY7C68301C is Ideal for Battery Powered Designs
■ CY7C68300C is Ideal for Self and Bus Powered Designs
Errata: For information on silicon errata, see “Errata” on page 43. Details include trigger conditions, devices affected, and proposed workaround.
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-05809 Rev. *O
• San Jose, CA 95134-1709 • 408-943-2600
Revised December 2, 2014
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CY7C68300C/CY7C68301C
CY7C68320C/CY7C68321C
Pin Diagrams
The AT2LP is available in different package types to meet a variety of design needs. The CY7C68320C/321C is available in 56-pin
QFN and 100-pin TQFP packages to provide the greatest flexibility for new designs. The CY7C68300C is available in 56-pin SSOP
and QFN package types and CY7C68301C is available in QFN package to ensure backward compatibility with CY7C68300A
designs.
Figure 2. 56-pin SSOP Pinout (CY7C68300C only)
1 DD13
2 DD14
3 DD15
4 GND
5 ATAPUEN (GND)
6 VCC
7 GND
8 IORDY
9 DMARQ
10 AVCC
11 XTALOUT
12 XTALIN
13 AGND
14 VCC
15 DPLUS
16 DMINUS
17 GND
18 VCC
19 GND
20 PWR500 # ( PU 10K)
21 GND(Reserved )
22 SCL
23 SDA
24 VCC
25 DD0
26 DD1
27 DD2
28 DD3
DD12
DD11
DD10
DD9
DD8
( ATA_EN ) VBUS_ ATA_ENABLE
VCC
RESET#
GND
ARESET#
( VBUS_ PWR_ VALID ) DA2
CS1#
CS0#
(DA2 ) DRVPWRVLD
DA1
DA0
INTRQ
VCC
DMACK #
DIOR #
DIOW #
GND
VCC
GND
DD7
DD6
DD5
DD4
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
Note Labels in italics denote pin functionality during CY7C68300A compatibility mode.
Document Number: 001-05809 Rev. *O
Page 5 of 46
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for CY7C68321C electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ CY7C68321C.PDF Datasheet ] | |
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| Part Number | Description | MFRS |
| CY7C68321 | The function is (CY7C68300B / CY7C68301B / CY7C68320 / CY7C68321) EZ-USB AT2LPTM USB 2.0 to ATA/ATAPI Bridge. Cypress Semiconductor | |
| CY7C68321C | The function is USB 2.0 to ATA/ATAPI Bridge. Cypress Semiconductor | |
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