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DM385 Datasheet(PDF) 159 Page - Texas Instruments

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Part # DM385
Description  DM385 and DM388 DaVinci??Digital Media Processor
PDF  281 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DM385 Datasheet(HTML) 159 Page - Texas Instruments

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DM385, DM388
www.ti.com
SPRS821D – MARCH 2013 – REVISED DECEMBER 2013
7.5
Interrupts
The device has a large number of interrupts to service the needs of its many peripherals and subsystems.
The ARM Cortex-A8 and Media Controller are capable of servicing these interrupts. The following sections
list the device interrupt mapping and multiplexing schemes.
7.5.1
ARM Cortex-A8 Interrupts
The ARM Cortex-A8 Interrupt Controller (AINTC) is responsible for prioritizing all service requests from the
System peripherals and generating either IRQs or FIQs to the Cortex-A8. The AINTC has the capability to
handle up to 128 requests, and the priority of the interrupt inputs are programmable. Table 7-26 lists the
interrupt sources for the AINTC.
For more details on ARM Cortex-A8 interrupt control, see the Interrupt Controller section of the Chip Level
Resources chapter in the device-specific Technical Reference Manual.
Table 7-26. ARM Cortex-A8 Interrupt Controller (AINTC) Interrupt Sources
Cortex-A8
ACRONYM
SOURCE
INTERRUPT NUMBER
0
EMUINT
Cortex-A8 Emulation
1
COMMTX
Cortex-A8 Emulation
2
COMMRX
Cortex-A8 Emulation
3
BENCH
Cortex-A8 Emulation
4
ELM_IRQ
ELM
5
–
Reserved
6
–
Reserved
7
NMI
NMIn Pin
8
–
Reserved
9
L3DEBUG
L3 Interconnect
10
L3APPINT
L3 Interconnect
11
TINT8
TIMER8
12
EDMACOMPINT
EDMA CC Completion
13
EDMAMPERR
EDMA Memory Protection Error
14
EDMAERRINT
EDMA CC Error
15
WDTINT0
Watchdog Timer 0
16
–
Reserved
17
USBSSINT
USB Subsystem
18
USBINT0
USB0
19
USBINT1
USB1
20-27
–
Reserved
28
SDINT1
MMC/SD1
29
SDINT2
MMC/SD2
30
I2CINT2
I2C2
31
I2CINT3
I2C3
32
GPIOINT2A
GPIO2 A
33
GPIOINT2B
GPIO2 B
34
USBWAKEUP
USB Subsystem Wakeup
35
PCIeWAKEUP
PCIe Wakeup
36
DSSINT
HDVPSS
37
–
Reserved
38
HDMIINT
HDMI
39
ISS_IRQ_5
ISS
Copyright © 2013, Texas Instruments Incorporated
Power, Reset, Clocking, and Interrupts
159
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Product Folder Links: DM385 DM388



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