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MB91155 Datasheet(PDF) 39 Page - fujitsu semiconductor

Part # MB91155
Description  32-bit Proprietary Microcontrollers
PDF  105 Pages
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Manufacturer  FUJITSU [fujitsu semiconductor]
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Logo FUJITSU - fujitsu semiconductor

MB91155 Datasheet(HTML) 39 Page - fujitsu semiconductor

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MB91F155A/MB91155/MB91154
39
• I/O Port (open drain)
Figure PORT-4 Port block attached with a pullup resistor
Notes :
• When using as an input port or for resource input, set the PDR and resource output to “1.”
• During read by RMW, it is the PDR value that is read, not the pin value.
Data bus
PDR read
RMW
= 0
RMW
= 1
pin
Resource input
Resource output
PDR
RMW
PDR : Port Data Register



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