M38B53M4-059FP datasheet(73/355 Pages) MITSUBISHI

73 / 355 page

38B5 Group User’s Manual

1-57

HARDWARE

FUNCTIONAL DESCRIPTION

Fig. 63 Interrupt interval determination operation example (at both-sided edge active)

Fig. 62 Interrupt interval determination operation example (at rising edge active)

Fig. 61 Structure of interrupt interval determination control register

Interrupt interval determination control register

(IIDCON: address 003116)

Interrupt interval determination circuit operating selection bit

0 : Stopped

1 : Operating

Counter sampling clock selection bit

0 : f(XIN)/128

1 : f(XIN)/256

Noise filter sampling clock selection bits (INT2)

00 : Filter stop

01 : f(XIN)/32

10 : f(XIN)/64

11 : f(XIN)/128

One-sided/both-sided edge detection selection bit

0 : One-sided edge detection

1 : Both-sided edge detection (can be used when using a noise filter)

Not used (return “0” when read)

Remote control

interrupt request

(When IIDCON4 = “0”)

Noise filter

sampling clock

INT2 pin

Acceptance of

interrupt

Counter sampling

clock

8-bit binary up

counter value

Interrupt interval

determination

Remote control

interrupt request

Counter overflow

interrupt request

Remote control

interrupt request

(When IIDCON4 = “1”)

Noise filter

sampling clock

INT2 pin

Acceptance of

interrupt

Counter sampling

clock

8-bit binary up

counter value

Interrupt interval

determination

Remote control

interrupt request

Counter overflow

interrupt request

Remote control

interrupt request

Remote control

interrupt request

M38B53M4-059FP Datasheet(PDF) 73 Page - Mitsubishi Electric Semiconductor

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