HD6432142 datasheet(413/1177 Pages) RENESAS

413 / 1177 page

Section 12 8-Bit Timers

Rev. 4.00 Sep 27, 2006 page 369 of 1130

REJ09B0327-0400

Table 12.3

Input Capture Signal Selection

TCONRI

Bit 4

Bit 7

Bit 6

Bit 3

Bit 1

ICST

SIMOD1

SIMOD0

HFINV

HIINV

Description

—

———

Input capture function not used

—

TMIX pin input signal

—

Inverted signal of TMIX pin input

—

TMRI1 pin input signal

—

Inverted signal of TMRI1 pin input

—

TMCI1 pin input signal

—

Inverted signal of TMCI1 pin input

12.4

Interrupt Sources

The TMR0, TMR1, and TMRY 8-bit timers can generate three types of interrupt: compare-match

A and B (CMIA and CMIB), and overflow (OVI). TMRX can generate only an ICIX interrupt. An

interrupt is requested when the corresponding interrupt enable bit is set in TCR or TCSR.

Independent signals are sent to the interrupt controller for each interrupt. It is also possible to

activate the DTC by means of CMIA and CMIB interrupts from TMR0, TMR1 and TMRY.

An overview of 8-bit timer interrupt sources is given in tables 12.4 to 12.6.

Table 12.4

TMR0 and TMR1 8-Bit Timer Interrupt Sources

Interrupt source

Description

DTC Activation

Interrupt Priority

CMIA

Requested by CMFA

Possible

High

CMIB

Requested by CMFB

Possible

OVI

Requested by OVF

Not possible

Low

Table 12.5

TMRX 8-Bit Timer Interrupt Source

Interrupt source

Description

DTC Activation

ICIX

Requested by ICF

Not possible

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