MB89557A View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB89557A

8-bit Proprietary Microcontroller

Fujitsu 

MB89550A Series

s OPTIONS AND CORRESPONDING PRODUCTS

-201 Options

-202 Options

-203 Options

LCD step-up circuit

No step-up circuit

Step-up circuit included

PORT/SEG

dual-use pin selection

SEG8 to SEG31

: SEG/PORT dual use

SEG8 to SEG31

: SEG/PORT dual use

SEG8 to SEG21

: SEG/PORT dual use

SEG22 to SEG31

: N-ch open drain*1

Evaluation model MB89PV550A-201

MB89PV550A-202

MB89PV550A-203

Model

type

One-time model MB89P558A-201

MB89557A

Mask ROM model*2

MB89558A

MB89P558A-202

MB89557A

MB89558A

MB89P558A-203

MB89557A

MB89558A

*1 : The SEG22-SEG31 pins (N-ch open drain) are not subject to the restriction that input voltage (VIN) must be

less than the voltage at the V3 pin.

*2 : Options may be specified at the time of mask ROM ordering.

s OSCILLATOR STABILIZATION WAIT TIME SELECTION

The MB89557A/558A allow a selection of default value for oscillator stabilization wait time, to be selected at the

time of mask ROM ordering.

Oscillator stabilization wait time selection

Remarks

214/FCH

1.31 ms (at F = 12.5 MHz)

217/FCH

10.48 ms (at F = 12.5 MHz)

218/FCH

20.97 ms (at F = 12.5 MHz)

4

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