HD404374FT datasheet(69/161 Pages) RENESAS

69 / 161 page

HD404374/HD404384/HD404389/HD404082/HD404084 Series

Rev.5.00, Sep.11.2003, page 69 of 161

Timers

The MCU incorporates three timers, A to C.

• Timer A: Free-running timer

• Timer B: Multifunctional timer

• Timer C: Multifunctional timer

Timer A is an 8-bit free-running timer. Timers B and C are 8-bit multifunctional timers; Each one of their

have the functions shown in table 25 and their operating mode can be set by the program.

Table 25

Timer Functions

Functios

Timer A

Timer B

Timer C

Prescaler S

Available

Prescaler W*

Available

—

Clock source

External event

—

Available

—

Free-running

Available

Time-base*

Available

—

Event counter

—

Available

—

Reload

—

Available

Timer functions

Watchdog

—

Available

Toggle

—

Available

Timer outputs

PWM

—

Available

Note:

— implies not available

* Applies to HD404374 Series

Timer A

Timer A Functions

Timer A has the following functions.

• Free-running timer

• Realtime clock time base

The block diagram of timer A is shown in figure 32.

HD404374FT Datasheet(PDF) 69 Page - Renesas Technology Corp

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