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MB89051PFM

8-bit Proprietary Microcontrollers CMOS F2MC-8L MB89051 Series

3M 

MB89051 Series

s DIFFERENCES AMONG PRODUCTS

1. Memory Size

• Before evaluating using the FLASH product, it is necessary to confirm its differences from the product that will

actually be used.

2. Current Consumption

• When operating at low speed, FLASH products will consume more current than mask ROM products. However,

in sleep/stop mode the current consumption is the same.

• For detailed information on each package, see “sPACKAGE DIMENSIONS”

3. USB Pull-up Resistor control

• Remains in high impedance state until USB connection take place. Before the USB connection, use USBP

pin output to control pull-up resistance by software.

• The example of connection

Host PC

D+

3.3 V

1.5 kΩ

MB89051 series

USBP pin

RPVP pin

D−

RPVM pin

5

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