參數(shù)資料
型號(hào)： CY7C68320C
廠商： Cypress Semiconductor Corp.
英文描述： EZ-USB AT2LP USB 2.0 to ATA/ATAPI Bridge(EZ-USB AT2LP USB 2.0到ATA/ATAPI橋接器)
中文描述： 的EZ - USB AT2LP產(chǎn)品的USB 2.0的ATA / ATAPI橋（的EZ - USB AT2LP產(chǎn)品的USB 2.0到ATA / ATAPI接口橋接器）
文件頁(yè)數(shù)： 22/42頁(yè)
文件大?。?/td> 761K
代理商： CY7C68320C
CY7C68300C/CY7C68301C
CY7C68320C/CY7C68321C
Document 001-05809 Rev. *A
Page 22 of 42
Table 11.Configuration Data Organization
Byte
Address
Note
Devices running in Backward Compatibility (CY7C68300A) Mode must use the CY7C68300A EEPROM organization, and
not the format shown in this document. Refer to the
CY7C68300A data sheet
for the CY7C68300A EEPROM format.
AT2LP Configuration
0x00
EEPROM signature byte 0
I
2
C EEPROM signature byte 0. This byte must be 0x53 for
proper AT2LP pin configuration.
0x01
EEPROM signature byte 1
I
2
C EEPROM signature byte 1. This byte must be 0x4B for
proper AT2LP pin configuration.
0x02
APM Value
ATA Device Automatic Power Management Value. If an
attached ATA device supports APM and this field contains
other than 0x00, the AT2LP issues a SET_FEATURES
command to Enable APM with this value during the drive
initialization process. Setting APM Value to 0x00 disables
this functionality. This value is ignored with ATAPI devices.
0x03
Reserved
Must be set to 0x00.
0x04
bVSCBSignature Value
Value in the first byte of the CBW CB field that designates
that the CB is to be decoded as vendor specific ATA
commands instead of the ATAPI command block. See
“Functional Overview” on page 15
for more detail on how
this byte is used.
0x05
Reserved
Bits 7:6
Enable mode page 8
Bit 5
Enable the write caching mode page (page 8). If this page
is enabled, Windows disables write caching by default,
which limits write performance.
0= Disable mode page 8.
1= Enable mode page 8.
Disable wait for INTRQ
Bit 4
Poll status register rather than waiting for INTRQ. Setting
this bit to 1 improves USB BOT test results but may
introduce compatibility problems with some devices.
0 = Wait for INTRQ.
1 = Poll status register instead of using INTRQ.
BUSY Bit Delay
Bit 3
Enable a delay of up to 120 ms at each read of the DRQ bit
where the device data length does not match the host data
length. This allows the CY7C68300C/CY7C68301C to work
with most devices that incorrectly clear the BUSY bit before
a valid status is present.
0 = No BUSY bit delay.
1 = Use BUSY bit delay.
Short Packet Before Stall
Bit 2
Determines if a short packet is sent before the STALL of an
IN endpoint. The USB
Mass Storage Class Bulk-Only Speci-
fication
allows a device to send a short or zero-length IN
packet before returning a STALL handshake for certain
cases. Certain host controller drivers may require a short
packet before STALL.
0 = Do not force a short packet before STALL.
1 = Force a short packet before STALL.
Configuration
Item Name
Configuration
Item Description
Required
Contents
Variable
Contents
0x53
0x4B
0x00
0x00
0x24
0x07
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CY7C68301C EZ-USB AT2LP USB 2.0 to ATA/ATAPI Bridge(EZ-USB AT2LP USB 2.0到ATA/ATAPI橋接器)
CY7C68300C EZ-USB AT2LP USB 2.0 to ATA/ATAPI Bridge(EZ-USB AT2LP USB 2.0到ATA/ATAPI橋接器)
CY7C68321C EZ-USB AT2LP USB 2.0 to ATA/ATAPI Bridge(EZ-USB AT2LP USB 2.0到ATA/ATAPI橋接器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C68320C-100AXA 功能描述:接口 - 專用 EZ-USB AT2LP USB 2.0 to ATA/ATAPI Bridge RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
CY7C68320C-100AXAT 功能描述:接口 - 專用 USB-ATA 50mA 4V RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
CY7C68320C-100AXC 功能描述:接口 - 專用 USB Hi Spd Peripherals RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
CY7C68320C-100AXCKJ 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述:
CY7C68320C-56LFXC 功能描述:接口 - 專用 USB Hi Spd Peripherals RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
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