phyCARD-M [PCA-A-M1-xxx]
80
©
PHYTEC Messtechnik GmbH 2010 L-750e_1
Jumper Setting
Description
See
Section
open
Jumper JP1 selects the boot device of
the phyCARD-M
External boot, FLASH enabled as
Boot device
7
1+2 Serial
Bootloader
1
3+4 Internal
Bootloader
1
JP1
1+2,
3+4
Startup mode
1
17.3.3
open
Jumper JP2 connects the input voltage
to connector X32 as supply voltage for
a backlight.
VCC12V Backlight disabled
JP2
closed
VCC12V Backlight connected to
power supply only 12V DC power
supplies allowed
17.3.7.2
1+2
Jumper J1 selects the function of the
AC97 interrupt
Pendown signal of the Audio/Touch
controller at U1 is connected to AC97
interrupt
J1
2+3
GPIO2_IRQ output of the Audio/Touch
controller at U1 connected to AC97
interrupt
17.3.7.3
J2
closed
Jumper J2 configures the I
2
C address of
the LED dimmer at U21
I
2
C device address of LED dimmer
set to 0xC0
17.3.7.2
17.3.10
7
please
see
section 6
for more information on the different boot modes