ISD-300A1 Cypress Semiconductor Corp, ISD-300A1 Datasheet - Page 62

• Manufacturer Part Number: ISD-300A1
• Description: IC USB 2.0 BRIDGE BULK 100LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of ISD-300A1

• Applications: USB 2.0 to ATA/ATAPI Bridge
• Interface: ATA, ATAPI
• Voltage - Supply: 3 V ~ 3.6 V
• Package / Case: 100-LQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1459

October 19, 2001
Address
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3A
0x3B
0x3C
iProduct
iSerialNumber
bNumConfigurations
bLength
bDescriptor Type
bcdUSB (LSB)
bcdUSB (MSB)
bDeviceClass
bDeviceSubClass
bDeviceProtocol
bMaxPacketSize0
bNumConfigurations
bReserved
bLength
bDescriptorType
bTotalLength (LSB)
bTotalLength (MSB)
bNumInterfaces
bConfiguration Value
iConfiguration
bmAttributes
bMaxPower
bLength
bDescriptorType
bTotalLength (LSB)
bTotalLength (MSB)
bNumInterfaces
bConfiguration Value
iConfiguration
bmAttributes
Field Name
Index to product string. This entry must equal half of the address value
where the string starts or 0 if the string does not exist.
Index to serial number string. This entry must equal half of the address
value where the string starts or 0 if the string does not exist. The USB
Mass Storage Class Bulk Only Transport Specification requires a unique
serial number.
Number of configurations supported.
Length of device descriptor in bytes.
Descriptor type.
USB Specification release number in BCD.
Device class.
Device subclass.
Device protocol.
Maximum USB packet size supported
Number of configurations supported
Reserved for future use, must be zero
Length of configuration descriptor in bytes.
Descriptor type.
Number of bytes returned in this configuration. This includes the
configuration descriptor plus all the interface and endpoint descriptors.
Number of interfaces supported. The ISD-300A1 only supports one
interface.
The value to use as an argument to Set Configuration to select the
configuration. This value must be set to 0x02
Index to the configuration string. This entry must equal half of the address
value where the string starts or 0 if the string does not exist.
Device attributes for this configuration. Configuration characteristics:
Bit Description
7
6
5
4-0 Reserved, set to 0. ‘0’
Maximum power consumption for this configuration. Units used are
mA*2 (i.e. 0x31 = 98 mA, 0xF9 = 498 mA).
Length of configuration descriptor in bytes.
Descriptor type.
Number of bytes returned in this configuration. This includes the
configuration descriptor plus all the interface and endpoint descriptors.
Number of interfaces supported. The ISD-300A1 only supports one
interface.
The value to use as an argument to Set Configuration to select the
configuration. This value must be set to 0x02
Index to configuration string. This entry must equal half of the address
value where the string starts or 0 if the string does not exist.
Device attributes for this configuration. Configuration characteristics:
Bit Description
7
6
5
4-0 Reserved, set to 0. ‘0’
USB Other Speed Configuration Descriptor 1
USB Standard Configuration Descriptor 1
Reserved.
Self-powered.
Remote wake-up. ‘0’
Reserved.
Self-powered.
Remote wake-up. ‘0’
USB Device Qualifier Descriptor
57
‘1’
‘1’
‘1’
‘1’
On-board default
On-board default
Description
ISD-300A1
Example
SROM
0x5A
0x0A
Data
0x6E
0x01
0x06
0x00
0x02
0x00
0x00
0x00
0x40
0x01
0x00
0x09
0x02
0x27
0x00
0x01
0x02
0x00
0x80
0xF9
0x09
0x07
0x27
0x00
0x01
0x02
0x00
0x80