Mode Selection Switch - Analog Devices ADSP-2189M EZ-KIT Lite Manual

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,
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
SW3
1
2
3
4
CONFIGURATION TYPE 1
(FACTORY DEFAULT)
SW3
1
2
3
4
CONFIGURATION TYPE 2
ADSP-2189M EZ-KIT Lite Evaluation System Manual
BDMA feature is used to load the first 32 program memory
words from the byte memory space. Program execution is held
8 MODE D = 0
off until all 32 words have been loaded. The ADSP-2189M is
7 MODE C = 0
configured in Full Memory Mode.
6 MODE B = 0
5 MODE A = 0
No Automatic boot operations occur. Program execution starts
at external memory location 0. The ADSP-2189M is config-
8 MODE D = 0
ured in Full Memory Mode. BDMA can still be used but the
7 MODE C = 0
processor does not automatically use or wait for these opera-
tions.
6 MODE B = 1
5 MODE A = 0
EZ-KIT Lite Hardware Reference
, that do this for you. The
SW3
3-5