MB89485PFM 데이터 시트보기 (PDF) - Fujitsu

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MB89485PFM

(MB89490 Series) 8-bit Proprietary Microcontroller

Fujitsu 

MB89480/480L Series

s DIFFERENCES AMONG PRODUCTS

1. Memory Size

Before evaluating using the piggyback product, verify its differences from the product that will actually be used.

Take particular care on the following point:

• The stack area is set at the upper limit of the RAM.

2. Current Consumption

• For the MB89PV480, the current consumed by the EPROM mounted in the piggy-back socket is needed to

be included.

• When operating at low speed, the current consumed by the one-time PROM product is greater than that for

the mask ROM product. However, the current consumption is roughly the same in sleep and stop mode.

• For more information, see “s ELECTRICAL CHARACTERISTICS”.

3. Oscillation Stabilization Time after Power-on Reset

• For MB89PV480, MB89P485L and MB89485L, there is no power-on stabilization time after power-on reset.

• For MB89P485, there is power-on stabilization time after power-on reset.

• For MB89485, the power-on stabilization time can be selected.

• For more information, please refer to “s MASK OPTION”.

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