Display + Led Brightness - Bosch DISBLAY DDU 7 Manual

Notice
Bosch Motorsport
▪ Optional 'Down switch' connects ANA01 to GND over a 3 kOhm resistor
▪ 3 kOhm pull‐up resistor in DDU 7 automatically activated
▪ Application: page control from steering wheel or motorcycle
Display page selected at power‐down will show up at next power up automati‐
cally.
The software calibration variable DISPLAY_SWITCH needs to be set:
▪ 0 Rotary switch
▪ 1 Up/Down switch
▪ 2 Up/Down switch with wrap around
By default, the DDU 7 is configured for a 12 position rotary switch.
Connection diagram of up/down switches
De-bounce time of switches is 30 ms.
8.5

Display + LED brightness

▪ 6 position switch connected to analog input ANA02
▪ 3 kOhm pull‐up resistor in DDU 7 automatically activated
▪ 6 position switch connects resistor to GND (43,9 / 142 / 264 / 409 / 609 / 846
Ohm)
DDU 7 Manual
Display Configuration | 8
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