HD404654 Datasheet, PDF(47/109 Page) Hitachi Semiconductor

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HD404654 Datasheet, PDF (47/109 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

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HD404654 Series

Timers

The MCU has three timer/counters (A, C, and D).

â¢ Timer A: Free-running timer

â¢ Timer C: Multifunction timer

â¢ Timer D: Multifunction timer

Timer A is an 8-bit free-running timer. Timers C and D are 8-bit multifunction timers, whose functions are

listed in table 22. The operating modes are selected by software.

Table 22 Timer Functions

Functions

Clock source

Prescaler S

External event

Timer functions Free-running

Event counter

Reload

Watchdog

Input capture

Timer outputs

Toggle

0 output

1 output

PWM

Note: â means not available.

Timer A

Available

Timer C

Available

Timer D

Available

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