ML63193 データシートの表示（PDF） - Oki Electric Industry

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ML63193

4-Bit Microcontroller with Built-in 1024-Dot Matrix LCD Driver and Melody Circuit

Oki Electric Industry 

1Semiconductor

FEDL63193-04

ML63193

MASK OPTION

In the ML63193 uses the mask option to specify the following functions:

• Low-Speeed clock oscillation circuit

Specify the crystal oscillation circuit or the RC oscillation circuit for the low-speed clock oscillation

circuit.

• Reset signal sampling

Specify whether or not the reset signal will be sampled at 2 kHz.

When specifying “will carry out 2 kHz sampling,” hold the RESET pin at a “H” level for 1 ms or more.

To use the mask option, assign mask option data in the application program in accordance with the formats below.

The mask option area is an application program execution disabled area.

Mask Option Data Assignment Format

Function

Low-speed clock oscillation circuit

(crystal oscillation circuit/RC oscillation circuit)

Reset signal sampling

(will/will not carry out 2 kHz sampling)

Mask option area

0FFE0H

bit data

Option to be selected

0 Crystal oscillation circuit

bit 0

1 RC oscillation circuit

0 Will carry out 2 kHz sampling

bit 1

1 Will not carry out 2 kHz sampling

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