MB90F482 datasheet(51/113 Pages) FUJITSU

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MB90480/485 Series

(3) Input Capture

The input capture module performs the functions of detecting the rising edge, falling edge, or both edges of

signal input from external circuits, and saving the 16-bit free run timer value at that moment to a register. An

interrupt can also be generated at the instant of edge detection.

The input capture module consists of input capture registers and a control register. Each input capture module

has its own external input pin.

• Section of three types of valid edge for external input signals.

Rising edge, falling edge, both edges.

• An interrupt can be generated when a valid edge is detected in the external input signal.

• Register List

•Block Diagram

Input capture data register (IPCP0, IPCP1)

Input capture control register (ICS0, ICS1)

Initial value

00005DH

00005FH

XXXXXXXXB

Initial value

00005CH

00005EH

XXXXXXXXB

Initial value

000060H

00000000B

CP14

CP15

CP13

CP12

CP11

CP10

CP09

CP08

CP06

CP07

CP05

CP04

CP03

CP02

CP01

CP00

R/W

ICP0

ICP1

ICE1

ICE0

EG11

EG10

EG01

EG00

IN0

EG11 EG10 EG01 EG00

ICP1

ICP0

ICE1

ICE0

IN1

Capture data register 0

16-bit timer counter value (T15 to T00)

Capture data register 1

Edge detection

Interrupt

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