ADSP-21160M/ADSP-21160N
seamlessly integrates available software add-ins to support real
time operating systems, file systems, TCP/IP stacks, USB stacks,
algorithmic software modules, and evaluation hardware board
support packages. For more information visit
Program Booting
The internal memory of the ADSP-21160x can be booted at sys-
tem power-up from an 8-bit EPROM, a host processor, or
through one of the link ports. Selection of the boot source is
controlled by the BMS (Boot Memory Select), EBOOT (EPROM
Boot), and LBOOT (Link/Host Boot) pins. 32-bit and 16-bit
host processors can be used for booting.
www.analog.com/cces.
The other Analog Devices IDE, VisualDSP++, supports proces-
sor families introduced prior to the release of CrossCore
Embedded Studio. This IDE includes the Analog Devices VDK
real time operating system and an open source TCP/IP stack.
For more information visit www.analog.com/visualdsp. Note
that VisualDSP++ will not support future Analog Devices
processors.
Phase-Locked Loop
The processor uses an on-chip PLL to generate the internal
clock for the core. Ratios of 2:1, 3:1, and 4:1 between the core
and CLKIN are supported. The CLK_CFG pins are used to
select the ratio. The CLKIN rate is the rate at which the synchro-
nous external port operates.
EZ-KIT Lite Evaluation Board
For processor evaluation, Analog Devices provides wide range
of EZ-KIT Lite® evaluation boards. Including the processor and
key peripherals, the evaluation board also supports on-chip
emulation capabilities and other evaluation and development
features. Also available are various EZ-Extenders®, which are
daughter cards delivering additional specialized functionality,
including audio and video processing. For more information
visit www.analog.com and search on “ezkit” or “ezextender”.
Power Supplies
The processor has separate power supply connections for the
internal (VDDINT), external (VDDEXT), and analog (AVDD and
AGND) power supplies. The internal and analog supplies must
meet the VDDINT and AVDD requirement. The external supply
must meet the 3.3 V requirement. All external supply pins must
be connected to the same supply.
The PLL filter, Figure 6, must be added for each ADSP-21160x
in the system. VDDINT is the digital core supply. It is recom-
mended that the capacitors be connected directly to AGND
using short thick trace. It is recommended that the capacitors be
placed as close to AVDD and AGND as possible. The connection
from AGND to the (digital) ground plane should be made after
the capacitors. The use of a thick trace for AGND is reasonable
only because the PLL is a relatively low power circuit—it does
not apply to any other ADSP-21160x GND connection.
EZ-KIT Lite Evaluation Kits
For a cost-effective way to learn more about developing with
Analog Devices processors, Analog Devices offer a range of EZ-
KIT Lite evaluation kits. Each evaluation kit includes an EZ-KIT
Lite evaluation board, directions for downloading an evaluation
version of the available IDE(s), a USB cable, and a power supply.
The USB controller on the EZ-KIT Lite board connects to the
USB port of the user’s PC, enabling the chosen IDE evaluation
suite to emulate the on-board processor in-circuit. This permits
the customer to download, execute, and debug programs for the
EZ-KIT Lite system. It also supports in-circuit programming of
the on-board Flash device to store user-specific boot code,
enabling standalone operation. With the full version of Cross-
Core Embedded Studio or VisualDSP++ installed (sold
separately), engineers can develop software for supported EZ-
KITs or any custom system utilizing supported Analog Devices
processors.
10 ꢀ
AV
V
DD
DDINT
0.01ꢁF
0.1ꢁF
AGND
Software Add-Ins for CrossCore Embedded Studio
Figure 6. Analog Power (AVDD) Filter Circuit
Analog Devices offers software add-ins which seamlessly inte-
grate with CrossCore Embedded Studio to extend its capabilities
and reduce development time. Add-ins include board support
packages for evaluation hardware, various middleware pack-
ages, and algorithmic modules. Documentation, help,
configuration dialogs, and coding examples present in these
add-ins are viewable through the CrossCore Embedded Studio
IDE once the add-in is installed.
DEVELOPMENT TOOLS
Analog Devices supports its processors with a complete line of
software and hardware development tools, including integrated
development environments (which include CrossCore® Embed-
ded Studio and/or VisualDSP++®), evaluation products,
emulators, and a wide variety of software add-ins.
Integrated Development Environments (IDEs)
Board Support Packages for Evaluation Hardware
For C/C++ software writing and editing, code generation, and
debug support, Analog Devices offers two IDEs.
Software support for the EZ-KIT Lite evaluation boards and EZ-
Extender daughter cards is provided by software add-ins called
Board Support Packages (BSPs). The BSPs contain the required
drivers, pertinent release notes, and select example code for the
given evaluation hardware. A download link for a specific BSP is
The newest IDE, CrossCore Embedded Studio, is based on the
TM
Eclipse framework. Supporting most Analog Devices proces-
sor families, it is the IDE of choice for future processors,
including multicore devices. CrossCore Embedded Studio
Rev. C
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February 2013
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