Example Configuration - Fujitsu MB904 Series Application Note

C-Pin Function
Provided
Not Provided
Table 2.3.2.3.1 Setting of SW3 for C-Pin configuration
2.3.2.4 User Data Bus Switching Configuration
When the probing target CPU pins (P00 to P07, P10 to P17) are based on a special
specification e.g. for high voltage ports, the user data port bus probing circuit must be set
OFF via SW1, SW2. For more details on this configuration please check the description in
the hardware manual.

2.2.3 Example Configuration

The following table show an example configuration for MB90V540 and MB90V495.
SW3.1 SW3.2 SW3.3
OFF OFF OFF
SW1 SW2
All switches OFF All switches OFF
Table 2.3.3.1 Example Configuration of SW3
The following table show an example configuration for MB90V590 and MB90V595.
SW3.1 SW3.2 SW3.3
OFF OFF ON
SW1 SW2
All switches OFF All switches OFF
Table 2.3.3.2 Example Configuration of SW3
© Fujitsu Microelectronics Europe GmbH
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Chapter 2 Hardware Installation
SW3 Setting
SW3.5 SW3.6
OFF ON
ON OFF
SW3.4 SW3.5
OFF OFF
SW3.4 SW3.5
ON OFF
- 13 -
SW3.6 SW3.7 SW3.8
ON OFF OFF
SW3.6 SW3.7 SW3.8
ON OFF OFF
S7
A-B
S7
B-C
MCU-AN-390077-E-V11