HD64F2145 datasheet(330/829 Pages) RENESAS

330 / 829 page

Rev. 2.0, 08/02, page 290 of 788

12.8

Interrupt Sources

TMR_0, TMR_1, and TMR_Y can generate three types of interrupts: CMIA, CMIB, and OVI.

TMR_X can generate an ICIX interrupt. Table 12.4 shows the interrupt sources and priorities.

Each interrupt source can be enabled or disabled independently by interrupt enable bits in TCR or

TCSR. Independent signals are sent to the interrupt controller for each interrupt.

The CMIA and CMIB interrupts can be used as DTC activation interrupt sources.

Table 12.4

Interrupt Sources of 8-Bit Timers TMR_0, TMR_1, TMR_Y, and TMR_X

Channel Name

Interrupt Source

Interrupt

Flag

DTC

Activation

Interrupt

Priority

CMIA0

TCORA_0 compare-match

CMFA

Enabled

High

CMIB0

TCORB_0 compare-match

CMFB

Enabled

TMR_0

OVI0

TCNT_0 overflow

OVF

Disabled

CMIA1

TCORA_1 compare-match

CMFA

Enabled

CMIB1

TCORB_1 compare-match

CMFB

Enabled

TMR_1

OVI1

TCNT_1 overflow

OVF

Disabled

CMIAY

TCORA_Y compare-match

CMFA

Enabled

CMIBY

TCORB_Y compare-match

CMFB

Enabled

TMR_Y

OVIY

TCNT_Y overflow

OVF

Disabled

TMR_X

ICIX

Input capture

ICF

Disabled

Low

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