參數(shù)資料
型號(hào): CY7C65640-LFXC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: 總線控制器
英文描述: TetraHub High-speed USB Hub Controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, QCC56
封裝: 8 X 8 MM, LEAD FREE, QFN-56
文件頁(yè)數(shù): 12/27頁(yè)
文件大小: 675K
代理商: CY7C65640-LFXC
CY7C65640
Document #: 38-08019 Rev. *E
Page 12 of 27
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.
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
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