參數(shù)資料
型號： CY7C65640A
廠商： Cypress Semiconductor Corp.
英文描述： TetraHub High-Speed USB Hub Controller(TetraHub高速USB Hub控制器)
中文描述： TetraHub高速USB集線器控制器（TetraHub高速USB集線器控制器）
文件頁數(shù)： 7/21頁
文件大?。?/td> 513K
代理商： CY7C65640A
CY7C65640A
Document #: 38-08019 Rev. *H
Page 7 of 21
Unused port DD+/DD– lines can be left floating. The port power, amber, and green LED pins should be left unconnected, and the
overcurrent pin should be tied HIGH. The overcurrent pin is an input and it should not be left floating.
7.0
Default Descriptors
7.1
The standard device descriptor for TetraHub is based on the VID, PID, and DID found in the SPI EEPROM. This VID/PID/DID in
the EEPROM will overwrite the default VID/PID/DID. If no EEPROM is used, the TetraHub will enumerate with the default
descriptor values as shown below.
Device Descriptor
14
36
35
30
29
DD+[1]
AMBER#[1]
GREEN#[1]
OVR#[1]
PWR#[1]
I/O/Z
O
O
Input
O/Z
Z
1
1
1
Z
Downstream D+ Signal
.
LED
. Driver output for Amber LED. Port Indicator Support. Active LOW.
LED
. Driver output for Green LED. Port Indicator Support. Active LOW.
Overcurrent
Condition Detection Input
. Active LOW.
Power
Switch Driver Output
.
Active LOW.
DOWNSTREAM PORT 2
9
DD–[2]
10
DD+[2]
38
AMBER#[2]
37
GREEN#[2]
32
OVR#[2]
31
PWR#[2]
DOWNSTREAM PORT 3
5
DD–[3]
6
DD+[3]
42
AMBER#[3]
41
GREEN#[3]
53
OVR#[3]
54
PWR#[3]
DOWNSTREAM PORT 4
1
DD–[3]
2
DD+[3]
44
AMBER#[3]
43
GREEN#[3]
51
OVR#[3]
52
PWR#[3]
I/O/Z
I/O/Z
O
O
Input
O/Z
Z
Z
1
1
1
Z
Downstream D– Signal
.
Downstream D+ Signal
.
LED
. Driver output for Amber LED. Port Indicator Support. Active LOW.
LED
. Driver output for Green LED. Port Indicator Support. Active LOW.
Overcurrent
Condition Detection Input
. Active LOW.
Power
Switch Driver Output
.
Active LOW.
I/O/Z
I/O/Z
O
O
Input
O/Z
Z
Z
1
1
1
Z
Downstream D– Signal
.
Downstream D+ Signal
.
LED
. Driver output for Amber LED. Port Indicator Support. Active LOW.
LED
. Driver output for Green LED. Port Indicator Support. Active LOW.
Overcurrent
Condition Detection Input
. Active LOW.
Power
Switch Driver Output
.
Active LOW.
I/O/Z
I/O/Z
O
O
Input
O/Z
Z
Z
1
1
1
Z
Downstream D– Signal
.
Downstream D+ Signal
.
LED
. Driver output for Amber LED. Port Indicator Support. Active LOW.
LED
. Driver output for Green LED. Port Indicator Support. Active LOW.
Overcurrent
Condition Detection Input
. Active LOW.
Power
Switch Driver Output
.
Active LOW.
Table 6-1. Pin Assignments
(continued)
Pin
Name
Type
Default
Description
Byte
0
1
2,3
4
5
6
7
8,9
10,11
Full Speed
0x12
0x01
0x0200
0x09
0x00
0x00
0x40
0x04B4
0x6560
High Speed
0x12
0x01
0x0200
0x09
0x00
0x02
0x40
0xx04B4
0x6560
Field Name
Description
bLength
bDescriptorType
bcdUSB
bDeviceClass
bDeviceSubClass
bDeviceProtocol
bMaxPacketSize0
wIdVendor
wIdProduct
18 Bytes
DEVICE_DESCRIPTOR
USB specification 2.0
HUB
None
None
64 bytes
VID (overwritten by what is defined in EEPROM)
PID (overwritten by what is defined in EEPROM)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C65640ALFXC 制造商:Cypress Semiconductor 功能描述:
CY7C65640A-LFXC 功能描述:USB 接口集成電路 USB 2.0 4 Port Hub COM RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
CY7C65640A-LFXCT 功能描述:USB 接口集成電路 USB 2.0 4 Port Hub COM RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
CY7C65640A-LTXC 功能描述:USB 接口集成電路 USB HS Controller RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
CY7C65640A-LTXCKM 制造商:Cypress Semiconductor 功能描述:
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