M38B53M4-059FP datasheet(229/355 Pages) MITSUBISHI

Part #	M38B53M4-059FP

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

PDF	355 Pages

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Manufacturer	MITSUBISHI [Mitsubishi Electric Semiconductor]

Direct Link	http://www.mitsubishichips.com

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229 / 355 page

38B5 Group User’s Manual

APPLICATION

2-141

2.7 Interrupt interval determination function

Figure 2.7.10 shows the setting of relevant registers.

Fig. 2.7.10 Setting of relevant registers

CPU mode register (address 003B16)

CPUM

High-speed (f(XIN)) mode operation (Note)

Interrupt edge selection register (address 003A16)

INT2 pin: Falling edge active

INTEDGE

Interrupt interval determination register (address 003016)

Determination of header/data (0/1) with this value

IID

Interrupt request register 1 (address 003C16)

Determination of remote controller/counter overflow interrupt request bit

IREQ1

Interrupt interval determination control register (address 003116)

Interrupt interval determination circuit: Operating

IIDCON

010

Counter sampling clock: f(XIN)/256

Noise filter sampling clock: f(XIN)/64

One-sided edge detection

Interrupt control register 1 (address 003E16)

Remote controller/counter overflow interrupt: Disabled

ICON1

Note: The interrupt interval determination

function cannot be used in the low-

speed mode.

M38B53M4-059FP Datasheet(PDF) 229 Page - Mitsubishi Electric Semiconductor