Analog Devices EZ-KIT Lite ADSP-BF707 System Manual page 43

Table 2-2. IODIR for Hardware Address 0x41
IODIR Register IODIR Register Address Value to be Written to Program Signals
IODIRA
IODIRB
Table 2-3. IODIR for Hardware Address 0x42
IODIR Register IODIR Register Address Value to be Written to Program Signals
IODIRA
IODIRB
Each of the examples in the ADSP-BF707 Board Support Package include
source files that program the soft switches, even if the default settings are
being used. The
are being changed from their default values. The code that programs the
soft switches is located in the
number suffix, in each example.
The following tables
for each of the two Microchip MCP23017 devices.
2
Table 2-4. I C Hardware Address 0x41
GPIO
GPIOA
GPIOB
ADSP-BF707 EZ-KIT Lite Evaluation System Manual
ADSP-BF707 EZ-KIT Lite Hardware Reference
0x00
0x01
0x00
0x01
for each example identifies only the signals that
README
SoftConfig_BF707.c
(Table 2-4 and
MCP23017 Register Address
0x12
0x13
as Outputs
0x40
0x03
as Outputs
0x80
0x83
file, with a version
Table 2-5) outline the default values
Default Value
0xF8
0xFF
2-9