MB89673PF 查看數據表（PDF） - Fujitsu

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MB89673PF

8-bit Proprietary Microcontroller

Fujitsu 

MB89670/A 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 points:

• On the MB89P677A, the program area starts from address 8007H but on the MB89677A and MB89PV670A

starts from 8000H.

(On the MB89P677A, addresses 8000H to 8006H comprise the option setting area, option settings can be read

by reading these addresses. On the MB89677A and MB89PV670A, addresses 8000H to 8006H could also be

used as a program ROM. However, do not use these addresses in order to maintain compatibility of the

MB89P677A.)

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

• The external area is used.

2. Current Consumption

• In the case of the MB89PV670A, add the current consumed by the EPROM which is connected to the top socket.

• When operated at low speed, the product with an OTPROM (one-time PROM) or an EPROM will consume

more current than the product with a mask ROM.

However, the current consumption in sleep/stop modes is the same. (For more information, see sections

“s Electrical Characteristics” and “s Example Characteristics.”)

3. Mask Options

Functions that can be selected as options and how to designate these options vary by the product.

Before using options check section “s Mask Options.”

Take particular care on the following point:

• Options are fixed on the MB89PV670A.

s CORRESPONDENCE BETWEEN THE MB89670/A AND MB89670R/AR SERIES

• The MB89670R/AR series is the reduction version of the MB89670/A series.

For their differences, refer to the MB89670R/AR series data sheet.

MB89670/A series

MB89670R/AR series

MB89673

MB89673R

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MB89675R

MB89677A

MB89677AR

MB89P677A MB89PV670A

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