Switch Sw501, Position 2, Xmp/Mcn Mode Select; Switch Sw501, Position 3, 4, Boot Mode Select; Switch Sw501, Position 3,4, Boot Mode Select - Spectrum Digital eZdsp R2812 USB Technical Reference

Spectrum Digital, Inc

2.5.2 Switch SW501, Position 2, XMP/MCn Mode Select

Position 2 on switch SW501 is used to select the XMP/MCn option. The open selection
allows the DSP to operate in the Microprocessor mode. The closed selection allow
the DSP to operate in the Microcontroller mode. The positions are shown in the table
below.

2.5.3 Switch SW501, Position 3, 4, Boot Mode Select

Positions 3 and 4 on switch SW501 along with position 2 are used to determine what
mode the DSP will use for bootloading on power up. The options are shown in the
table below.
Position 2
XMP_MCn
Closed-0
Closed-0
Closed-0
Open-1
* factory default
2-20
Table 15: SW501, Position 2
Position
Open-1 Microprocessor mode
Closed-0 *
* as shipped from factory
Table 16: SW501, Position 3, 4
Position 3
SPICLKA
Open-1
Closed-0
Closed-0
Do not care
Function
Microcontroller mode
Position 4
MDXA
Do not care
Open-1
Closed-0
Do not care Microprocessor
TM
eZdsp
Boot
Mode
SPI *
SCI
H0
Mode
R2812 Technical Reference