MB89558A 데이터 시트보기 (PDF) - Fujitsu

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MB89558A

8-bit Proprietary Microcontroller

Fujitsu 

MB89550A Series

• Wide Register Functions

The space available for use of wide register functions is as follows.

MB89PV550A 2000H to FFFFH

MB89P558A

4000H to FFFFH

MB89558A

4000H to FFFFH

MB89557A

8000H to FFFFH

• The P40, P41, P84, P85 Pins

On the MB889PV550A, an external oscillator signal equivalent to 64 clock pulses is required to initialize the

P40, P41, P84, and P85 pins. Note therefore that at power-on there is an interval in which the values of these

ports is undefined.

On the MB89P558A, MB89558A, and MB89557A, these ports are set to "Hi-Z" status at power-on.

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