MB89945PF データシートの表示（PDF） - Fujitsu

部品番号

コンポーネント説明

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MB89945PF

8-bit Proprietary Microcontroller

Fujitsu 

MB89940 Series

s PACKAGE AND CORRESPONDING PRODUCTS

Package

FPT-48P-M16

MQP-48C-P01

MB89943

MB89945

MB89P945

×

MB89PV940

×

: Available ×: Not available

Note: For more information about each package, see section “s Package Dimensions.”

s DIFFERENCES AMONG PRODUCTS

1. Memory Size

Prior to evaluating/developing the software for the MB89940 series, please check the differences between the

product types.

• RAM/ROM configurations are dependent on the product type.

• If the bottom address of the stack is set to the upper limit of the RAM address, it should be relocated when

changing the product type.

2. Power Dissipation

• For the piggyback product, add the power dissipation of the EEPROM on the piggyback.

• The power dissipation differs between the product types.

3. Technology

The mask ROM product is fabricated with a 0.5 µm CMOS technology whereas the other products with 0.8 µm

CMOS technology.

Also the mask ROM product contains the on-chip voltage regulator for the internal 3.0 power supply. For details,

refer to MB89940 Series Hardware Manual.

4. Mask Option

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.”

• No options are available for the piggyback product.

• The power-on reset and reset output options are always activated with the mask ROM product.

• Pull-up option must not be specified with the pins used as LCD outputs.

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