mcs7717 MosChip, mcs7717 Datasheet - Page 16

• Manufacturer Part Number: mcs7717
• Description: Three Port Usb Hub With 1 Serial, 1 Printer
• Manufacturer: MosChip

Page 16
MCS7717
Three Port USB Hub with 1 Serial, 1 Printer
HUB Descriptors
The MCS7717 Hub Controller supports these standard USB Descriptors:
(Bytes)
(Bytes)
Offset
Offset
•
•
•
•
•
10
12
14
15
16
17
0
1
2
4
5
6
7
8
0
1
2
4
5
6
7
8
Device
Configuration
Interface
Endpoint
Hub
bNumConfigurations
bMaxPacketSize0
bDeviceSubClass
bDescriptorType
bDeviceProtocol
bDescriptorType
bNumInterfaces
bConfiguration
iSerialNumber
iConfiguration
bDeviceClass
iManufacturer
wTotalLength
bmAttributes
Field Name
Field Name
MaxPower
bcdDevice
idProduct
idVendor
bLength
bcdUSB
iProduct
bLength
(Bytes)
(Bytes)
Size
Size
1
1
2
1
1
1
1
2
2
2
1
1
1
1
1
1
2
1
1
1
1
1
Configuration Descriptors
Device Descriptors
Value
Value
10,01
10,97
17,77
01,01
22,00
(hex)
(hex)
E0
12
01
09
00
00
08
00
00
00
01
09
02
01
01
00
32
this can be customized using the external EEPROM
this can be customized using the external EEPROM
total length of Configuration, Interface,
this value represents the silicon rev.
Self-Powered with remote wake-up
The MosChip Vendor-ID (9710);
Endpoint and Hub Descriptors
Descriptor Length = 18 Bytes
Descriptor Length = 9 Bytes
USB Specification Rev. 1.1
The MCS7717 Product-ID;
Type = CONFIGURATION
no serial number string
no manufacturer string
configuration value = 1
Packet Size = 8 Bytes
no configuration string
Device Release (1.1);
HUB_CLASSCODE
one configuration
no product string
type = DEVICE
100mA default
one interface
Comments
Comments
(34 Bytes)
n/a
n/a
Rev. 1.7