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AM5706BCBDDEA

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型号: AM5706BCBDDEA
PDF文件:
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功能描述: Sitara Processors
PDF文件大小: 4339.62 Kbytes
PDF页数: 共392页
制造商: TI1[TI store]
制造商LOGO: TI1[TI store] LOGO
制造商网址: http://www.ti.com
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120%
ADVANCEINFORMATION
330
AM5706, AM5708
SPRS961B AUGUST 2016REVISED SEPTEMBER 2017
www.ti.com
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Product Folder Links: AM5706 AM5708
Detailed Description Copyright © 2016–2017, Texas Instruments Incorporated
Two Interrupt outputs configured independently to service either ECC or CBUF interrupt events
The OCM controller does not have a memory protection logic and does not support endianism conversion.
For more information, see section On-Chip Memory (OCM) in chapter Memory Subsystem of the device
TRM.
6.7 Interprocessor Communication
6.7.1 MailBox
Communication between the on-chip processors of the device uses a queued mailbox-interrupt
mechanism.
The queued mailbox-interrupt mechanism allows the software to establish a communication channel
between two processors through a set of registers and associated interrupt signals by sending and
receiving messages (mailboxes).
The device implements the following mailbox types:
System mailbox:
Number of instances: 13
Used for communication between: MPU, DSP1, IPU1, and IPU2 subsystems
Reference name: MAILBOX(1..13)
IVA mailbox:
Number of instances: 1
Used for communication between: IVA local user (ICONT1, or ICONT2) and three external users
(selected among MPU, DSP1, IPU1, and IPU2 subsystems)
Reference name: IVA_MBOX
Each mailbox module supports the following features:
Parameters configurable at design time
Number of users
Number of mailbox message queues
Number of messages (FIFO depth) for each message queue
32-bit message width
Message reception and queue-not-full notification using interrupts
Support of 16-/32-bit addressing scheme
Power management support
For more information, see chapter MailBox of the device TRM.
6.7.2 Spinlock
The Spinlock module provides hardware assistance for synchronizing the processes running on multiple
processors in the device:
Cortex®-A15 microprocessor unit (MPU) subsystem
Digital signal processor (DSP) subsystem DSP1
Dual Cortex-M4 image processing unit (IPU) subsystems IPU1 and IPU2
The Spinlock module implements 256 spinlocks (or hardware semaphores), which provide an efficient
way to perform a lock operation of a device resource using a single read-access, avoiding the need of
a readmodify- write bus transfer that the programmable cores are not capable of.
For more information, see chapter Spinlock Module of the device TRM.
6.8 Interrupt Controller
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