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Fujitsu MB2146-270 Operation Manual page 7

Sop-28p (1.27 mm pitch) header board

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4. Notes on Designing
■ Notes on designing printed circuit board for the user system
When the header board is connected to the user system, the parts mounted around the conversion
board in the user system may be touched the header board if the height of the parts is tall. To prevent
this, design the printed circuit board for the user system such that the components do not exceed the
height shown in Figure 2. Figure 2 shows the dimensions of the header board and conversion board.
40.0 mm
CN3 : Incorrect insertion prevention socket
CN1/CN2 : MCU board I/F connector
40.0 mm
Header board
Figure 2 Header board and Conversion board dimensions
Engaged diagram
11.8 mm
20.0 mm
Conversion board
9.0 mm
3

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