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TUSB2077APT 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
接口芯片
封装:
LQFP-48
描述:
TEXAS INSTRUMENTS TUSB2077APT 接口, USB, USB收发器, USB 2.0, 3 V, 3.6 V, LQFP, 48 引脚
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TUSB2077APT数据手册
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EXTMEM
OVRCUR3
OVRCUR2
PWRON7
DP6
DM6
OVRCUR6
PWRON6
DP5
DM5
OVRCUR5
PWRON5
DP4
DM4
OVRCUR4
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
SUSPND
DP0PUR
DP0
DM0
GND
RESET
EECLK
EEDATA/GANGED
V
CC
BUSPWR
PWRON1
OVRCUR1
HUBCFG
DM7
MODE
V
XTAL1/CLK48
XTAL2
DP3
PWRON4
GND
DM2
DP2
PWRON3
DM3
OVRCUR7
GND
PORTPWR
DP1
DM1
PT PACKAGE
(TOP VIEW)
39
38
37
46
44
43
42
41
40
47
48
45
20
21
22
23
13
14
15
16
17
24
18
19
DP7
PORTDIS
PWRON2
CC
NC - No internal connection
TUSB2077A
www.ti.com
SLLS414D –MARCH 2000– REVISED AUGUST 2011
7-PORT HUB FOR THE UNIVERSAL SERIAL BUS
WITH OPTIONAL SERIAL EEPROM INTERFACE
Check for Samples: TUSB2077A
1
FEATURES
• New Functional Terminals Introduced to
Reduce the Board Material Cost
• Fully Compliant With the USB Specification as
– 3 LED Indicator Control Outputs Enable
a Full-Speed Hub: TID #20240226
Visualized Monitoring of 6 Different
• Integrated USB Transceivers
Hub/Port Status (HUBCFG, PORTPWR,
• 3.3-V Low Power ASIC Logic
PORTDIS)
• Two Power Source Modes
– Output Terminal Available to Disable
– Self-Powered Mode Supporting Seven
External Pullup Resistor on DP0 for 15 ms
Downstream Ports
After Reset or After Change on BUSPWR
– Bus-Powered Mode Supporting Four
and Enable Easy Implementation of
Downstream Ports
Onboard Bus/Self- Power Dynamic
Switching Circuitry
• All Downstream Ports Support Full-Speed and
Low-Speed Operations
• Available in 48-Terminal LQFP Package
(1)
• Power Switching and Overcurrent Reporting Is
Provided Ganged or Per Port
• Supports Suspend and Resume Operations
• Suspend Status Terminal Available for
External Logic Power Down
• Supports Custom Vendor ID and Product ID
With External Serial EEPROM
• 3-State EEPROM Interface Allows EEPROM
Sharing
• Push-Pull Outputs for PWRON Eliminate the
Need for External Pullup Resistors
• Noise Filtering on OVRCUR Provides Immunity
to Voltage Spikes
• Supports 6-MHz Operation Through a Crystal
Input or a 48-MHz Input Clock
(1) JEDEC descriptor S−PQFP−G for low-profile quad flatpack
(LQFP).
xxx
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2000–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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