Analog Devices ADSP-2189M EZ-KIT Lite, Руководство пользователя

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ADSP-2189M EZ-KIT Lite Evaluation System Manual 3-5
EZ-KIT Lite Hardware Reference
Mode Selection Switch
The ADSP-2189M processor can be operated in several modes. While in
most cases you set these modes in software, the EZ-KIT Lite board pro-
vides you with a set of switch settings,
SW3
, that do this for you. The
following graphics and their corresponding descriptions describe these
operating modes.
"
Configuration types 1, 4, and 6 are considered standard operating
settings. Use of these settings allows for easier design and better
memory management.
Table 3-1. Mode Selection Switches
BDMA feature is used to load the first 32 program memory
words from the byte memory space. Program execution is held
off until all 32 words have been loaded. The ADSP-2189M is
configured in Full Memory Mode.
No Automatic boot operations occur. Program execution starts
at external memory location 0. The ADSP-2189M is config-
ured in Full Memory Mode. BDMA can still be used but the
processor does not automatically use or wait for these opera-
tions.
SW3
O
N
O
F
F
CONFIGURATION TYPE 1
(FACTORY DEFAULT)
8 MODE D = 0
7 MODE C = 0
6 MODE B = 0
5 MODE A = 0
1
2
4
3
SW3
O
N
O
F
F
CONFIGURATION TYPE 2
8 MODE D = 0
7 MODE C = 0
6 MODE B = 1
5 MODE A = 0
1
2
4
3