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Figure 32: DIP slide switches S1[A : D].
Please note the 4 switch labels are on one side and the <ON> label is on the opposite side.
DIP slide switches S1[A:D] condition the value of some system signals as described in Table 13the table below.

 

Scroll pdf title
titleS1X settings description.

switch

S1 label

signal name

<OFF>

<ON>

S1A

1

EEPROM serial data

the USB FX2 microcontroller CANNOT read / write the serial EEPROM

the USB FX2 microcontroller can read / write the serial EEPROM

S1B

2

M2

mode pin M2 = 1

M2 = 0

S1C

3

M1

mode pin M1 = 1

M1 = 0

S1D

4

/MR (master reset)

module reset

module running

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DIP slide switch S1A

DIP slide switches S1A is ON by default, to allow the USB FX2 microcontroller to read the serial EEPROM and enumerate as a custom/specific USB device.

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