Programming considerations
Memory
Digi Connect SP and Digi Connect Wi-SP Hardware Reference
14
Memory
Flash memory
Digi Connect SP and Digi Connect Wi-SP have 4 MB of flash memory, which is controlled by chip select
0, located at
0x02000000
.
SDRAM memory
Digi Connect SP and Digi Connect Wi-SP have 16 MB of SDRAM memory, which is controlled by chip
select 1, located at
0x00000000
in the processor address space and aliased at
0x04000000
and
0x08000000
. The application program (EOS) is loaded at address
0x08080000
.
Reset button
Digi Connect SP and Digi Connect Wi-SP have have a push button connected to a GPIO pin. This pin is
named /
INIT
. In the processor, the GPIO register bit associated with /
INIT
is
PORTC5
. The GPIO pin
will read as high normally, and low when the button is pushed.
See
and
for the external location.
