ADSP-2196MKCA-160X Просмотр технического описания (PDF) - Analog Devices
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ADSP-2196MKCA-160X Datasheet PDF : 68 Pages
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ADSP-2196
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For current information contact Analog Devices at 800/262-5643
September 2001
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Figure 3. ADSP-2196 Memory Map, with On-Chip ROM
peripherals can access the DSP’s off-chip boot memory
space. After reset, the DSP always starts executing instruc-
tions from the on-chip boot ROM. Depending on the boot
configuration, the boot ROM code can start booting the
DSP from boot memory. For more information, see Booting
Modes on page 15.
Interrupts
The interrupt controller lets the DSP respond to 17 inter-
rupts with minimum overhead. The controller implements
an interrupt priority scheme as shown in Table 1. Applica-
tions can use the unassigned slots for software and
peripheral interrupts.
Table 1. Interrupt Priorities/Addresses
Interrupt
Emulator (NMI)—
Highest Priority
Reset (NMI)
Power-Down (NMI)
Loop and PC Stack
IMASK/ Vector
IRPTL Address1
NA
NA
0
0x00 0000
1
0x00 0020
2
0x00 0040
Table 1. Interrupt Priorities/Addresses (Continued)
Interrupt
Emulation Kernel
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
User Assigned Interrupt
IMASK/ Vector
IRPTL Address1
3
0x00 0060
4
0x00 0080
5
0x00 00A0
6
0x00 00C0
7
0x00 00E0
8
0x00 0100
9
0x00 0120
10
0x00 0140
11
0x00 0160
12
0x00 0180
8
This information applies to a product under development. Its characteristics and specifications are subject to change with-
REV. PrA
out notice. Analog Devices assumes no obligation regarding future manufacturing unless otherwise agreed to in writing.
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