2
TMDS181, TMDS181I
ZHCSE70D –AUGUST 2015–REVISED SEPTEMBER 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......................................................... 6
6.1 Absolute Maximum Ratings ...................................... 6
6.2 ESD Ratings.............................................................. 6
6.3 Recommended Operating Conditions....................... 7
6.4 Thermal Information.................................................. 8
6.5 Power Supply Electrical Characteristics ................... 8
6.6 TMDS Differential Input Electrical Characteristics .... 9
6.7 TMDS Differential Output Electrical
Characteristics ......................................................... 10
6.8 DDC, I
2
C, HPD, and ARC Electrical
Characteristics ......................................................... 11
6.9 Power-Up and Operation Timing Requirements..... 12
6.10 TMDS Switching Characteristics........................... 13
6.11 HPD Switching Characteristics ............................. 14
6.12 DDC and I
2
C Switching Characteristics................ 14
6.13 Typical Characteristics.......................................... 15
7 Parameter Measurement Information ................ 15
8 Detailed Description............................................ 24
8.1 Overview ................................................................. 24
8.2 Functional Block Diagram ....................................... 25
8.3 Feature Description................................................. 25
8.4 Device Functional Modes........................................ 31
8.5 Register Maps......................................................... 33
9 Application and Implementation ........................ 40
9.1 Application Information............................................ 40
9.2 Typical Applications ................................................ 40
10 Power Supply Recommendations ..................... 47
11 Layout................................................................... 48
11.1 Layout Guidelines ................................................. 48
11.2 Layout Example .................................................... 49
12 器器件件和和文文档档支支持持 ..................................................... 50
12.1 文档支持................................................................ 50
12.2 相关链接................................................................ 50
12.3 接收文档更新通知 ................................................. 50
12.4 社区资源................................................................ 50
12.5 商标 ....................................................................... 50
12.6 静电放电警告......................................................... 50
12.7 Glossary................................................................ 50
13 机机械械、、封封装装和和可可订订购购信信息息....................................... 50
4 修修订订历历史史记记录录
注：之前版本的页码可能与当前版本有所不同。
Changes from Revision C (July 2016) to Revision D Page
• Added Note 5 to the Power Supply Electrical Characteristic table ....................................................................................... 8
• Deleted text "which is needed for certain HDMI CTS test." from the third paragraph in the Overview section .................. 24
• Changed section: Input Signal Detect Block ....................................................................................................................... 28
• Changed H to X in the first row of the HPD_SNK column in Table 12 ................................................................................ 47
• Changed the IN_Dx column in Table 12 ............................................................................................................................. 47
Changes from Revision B (April 2016) to Revision C Page
• Recommended Operating Conditions, Changed the CONTROL PINS section .................................................................... 7
• DDC, I
2
C, HPD, and ARC Electrical Characteristics, Changed the DDC AND I
2
C section ................................................. 11
Changes from Revision A (October 2015) to Revision B Page
• Recommended Operating Conditions, Added V
IL
"Low-level input voltage at HPD, OE" ...................................................... 7
• Recommended Operating Conditions, Moved pin OE From: V
IH
MIN value of 2 V To: V
IH
MIN value of 2.6 V ................... 7
• Power-Up and Operation Timing Requirements, Deleted the VDD_ramp and VCC_ramp MIN values ............................. 12
• Changed Figure 1 ................................................................................................................................................................ 12
• DDC Functional Description , Changed text "address 22h (see Figure 31) through the I2C interface." To: "address
0Bh through the I2C interface." ............................................................................................................................................ 32
• Added Note to 11–400-kbps in Table 6................................................................................................................................ 35
• Added Note to 11–400-kbps in Table 6................................................................................................................................ 36
