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3.4 Subclock (JP: 34, 41)
Some devices like e.g. MB96F326RW support a 32 kHz subclock (X0A, X1A), you can
choose to not support subclock and use these pins as additional port-pins (e.g. P40, P41)
instead.
Please check the related datasheet.
JP41: defines usage of Pin 24 (X0A/P40)
JP34: defines usage of Pin 25 (X1A/P41)
Jumper
JP41 (X0A, P40)
JP34 (X1A, P41)
Default: JP41: 1-2, JP34: 1-2
By default, the 32 kHz-subclock-crystal is connected to the microcontroller.
© Fujitsu Microelectronics Europe GmbH
SK-96320-80PMC User Guide
Chapter 3 Jumpers and Switches
Setting
Description
1-2
Pin 24 is connected to the 32kHz Subclock (X0A)
2-4
Pin 24 is used as P4_0 and is connected to X4-B10
Pin 24 is connected to GND (in case that subclock-
2-3
device is used, but no 32kHz crystal is connected)
1-2
Pin 25 is connected to the 32kHz Subclock (X1A)
2-3
Pin 25 is used as P4_1 and is connected to X4-C9
- 15 -
1
Pin-out JP41:
4
2
3
FMEMCU-UG-960010-12
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