HD64F2149YV datasheet(401/1075 Pages) RENESAS

401 / 1075 page

Section 12 8-Bit Timers

Rev. 3.00 Jan 18, 2006 page 373 of 1044

REJ09B0280-0300

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

1000

—

TMIX pin input selection

—

Inverted TMIX pin input selection

—

TMRI1 pin input selection

—

Inverted TMRI1 pin input selection

—

TMCI1 pin input selection

—

Inverted TMCI1 pin input selection

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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