4
DRA75P, DRA74P
ZHCSJ46F –DECEMBER 2016–REVISED DECEMBER 2018
www.ti.com.cn
内容
版权 © 2016–2018, Texas Instruments Incorporated
内内容容
1 器器件件概概述述 .................................................... 1
1.1 特性 ................................................... 1
1.2 应用 ................................................... 1
1.3 说明 ................................................... 2
1.4 功能方框图 ........................................... 3
2 修修订订历历史史记记录录............................................... 5
3 Device Comparison ..................................... 6
3.1 Device Comparison Table ............................ 6
3.2 Related Products ..................................... 9
4 Terminal Configuration and Functions ............ 10
4.1 Pin Diagram ......................................... 10
4.2 Pin Attributes ........................................ 10
4.3 Signal Descriptions.................................. 81
4.4 Pin Multiplexing .................................... 122
4.5 Connections for Unused Pins...................... 138
5 Specifications ......................................... 139
5.1 Absolute Maximum Ratings
(1)
..................... 140
5.2 ESD Ratings ....................................... 141
5.3 Power-On Hours (POH)
(2)
......................... 141
5.4 Recommended Operating Conditions ............. 142
5.5 Operating Performance Points..................... 145
5.6 Power Consumption Summary .................... 168
5.7 Electrical Characteristics........................... 168
5.8 VPP Specifications for One-Time Programmable
(OTP) eFuses ...................................... 176
5.9 Thermal Resistance Characteristics ............... 177
5.10 Timing Requirements and Switching
Characteristics ..................................... 179
6 Detailed Description.................................. 345
6.1 Description ......................................... 345
6.2 Functional Block Diagram ......................... 345
6.3 MPU................................................ 347
6.4 DSP Subsystem ................................... 350
6.5 ISS ................................................. 354
6.6 IVA ................................................. 354
6.7 EVE ................................................ 355
6.8 IPU ................................................. 356
6.9 VPE ................................................ 357
6.10 GPU................................................ 359
6.11 ATL Overview...................................... 359
6.12 Memory Subsystem................................ 361
6.13 Interprocessor Communication .................... 364
6.14 Interrupt Controller ................................. 365
6.15 EDMA .............................................. 366
6.16 Peripherals......................................... 367
6.17 On-Chip Debug .................................... 383
7 Applications, Implementation, and Layout ...... 386
7.1 Introduction ........................................ 386
7.2 Power Optimizations ............................... 387
7.3 Core Power Domains .............................. 401
7.4 Single-Ended Interfaces ........................... 413
7.5 Differential Interfaces .............................. 415
7.6 Clock Routing Guidelines .......................... 436
7.7 DDR2/DDR3 Board Design and Layout
Guidelines.......................................... 438
8 Device and Documentation Support.............. 473
8.1 Device Nomenclature .............................. 473
8.2 Tools and Software ................................ 475
8.3 Documentation Support............................ 475
8.4 Receiving Notification of Documentation Updates. 476
8.5 Related Links ...................................... 476
8.6 Community Resources............................. 477
8.7 商标 ................................................ 477
8.8 静电放电警告....................................... 477
8.9 Export Control Notice .............................. 477
8.10 Glossary............................................ 477
9 Mechanical Packaging and Orderable
Information............................................. 478
9.1 Mechanical Data ................................... 478