2
TUSB320
,
TUSB320I
ZHCSDU0E –MAY 2015–REVISED MAY 2017
www.ti.com.cn
版权 © 2015–2017, Texas Instruments Incorporated
目目录录
1 特特性性.......................................................................... 1
2 应应用用.......................................................................... 1
3 说说明明.......................................................................... 1
4 修修订订历历史史记记录录 ........................................................... 2
5 Pin Configuration and Functions......................... 4
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information.................................................. 5
6.5 Electrical Characteristics........................................... 6
6.6 Timing Requirements................................................ 7
6.7 Switching Characteristics.......................................... 7
7 Detailed Description.............................................. 9
7.1 Overview ................................................................... 9
7.2 Feature Description................................................. 10
7.3 Device Functional Modes........................................ 13
7.4 Programming........................................................... 15
7.5 Register Maps......................................................... 16
8 Application and Implementation ........................ 19
8.1 Application Information............................................ 19
8.2 Typical Application .................................................. 21
8.3 Initialization Set Up ................................................ 27
9 Power Supply Recommendations...................... 27
10 Layout................................................................... 27
10.1 Layout Guidelines ................................................. 27
10.2 Layout Example .................................................... 27
11 器器件件和和文文档档支支持持 ..................................................... 28
11.1 相关链接................................................................ 28
11.2 接收文档更新通知 ................................................. 28
11.3 社区资源................................................................ 28
11.4 商标 ....................................................................... 28
11.5 静电放电警告......................................................... 28
11.6 Glossary................................................................ 28
12 机机械械、、封封装装和和可可订订购购信信息息....................................... 28
4 修修订订历历史史记记录录
Changes from Revision D (October 2016) to Revision E Page
• Changed R
VBUS
values From: MIN = 891, TYP = 900, MAX = 909 KΩ To: MIN = 855, TYP = 887, MAX = 920 KΩ ........... 7
Changes from Revision C (September 2016) to Revision D Page
• Changed text for Pin 7 in the Pin Functions table From: "default current mode detected (H); medium or high current
mode detected (L)." To: "Refer to Table 3 for more details." ................................................................................................. 4
• Changed text for Pin 8 in the Pin Functions table From: "default or medium current mode detected (H); high current
mode detected (L)." To: "Refer to Table 3 for more details." ................................................................................................. 4
Changes from Revision B (March 2016) to Revision C Page
• Changed pins CC1 and CC2 values From: MIN = –0.3 MAX = V
DD
+ 0.3 To: MIN –0.3 MAX = 6 in the Absolute
Maximum Ratings................................................................................................................................................................... 5
Changes from Revision A (June 2015) to Revision B Page
• Added Note 1 and 2 to the Pin Functions table...................................................................................................................... 4
• Changed the DESCRIPTION of pin EN_N pin in the Pin Functions table ............................................................................. 4
• Changed the DESCRIPTION of pin V
DD
in the Pin Functions table ....................................................................................... 4
• Changed the MIN, TYP, and MAX values for V
TH_UFP_CC_USB
, V
TH_UFP_CC_MED
, and V
TH_UFP_CC_HIGH
in the Electrical
Characteristics table. .............................................................................................................................................................. 6
• Added Note 2 to the Electrical Characteristics table ............................................................................................................. 6
• Added Test Condition "See Figure 1" to V
BUS_THR
in the Electrical Characteristics .............................................................. 7
• Updated Timing Requirements table with new values. .......................................................................................................... 7
• Added Data hold time, Data valid time, Data valid acknowledge time, and C
bus_400kHz
values to Timing Requirements
table........................................................................................................................................................................................ 7
• Changed the Switching Characteristics table ........................................................................................................................ 7
• Added Note: "SW must make sure..." to the Description of INTERRUPT_STATUS in Table 7 ......................................... 17
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