9.1
Overview
The H8/3006 and H8/3007 have built-in 16-bit timer module with three 16-bit counter channels.
9.1.1
Features
16-bit timer features are listed below.
• Capability to process up to 6 pulse outputs or 6 pulse inputs
• Six general registers (GRs, two per channel) with independently-assignable output compare or
input capture functions
• Selection of eight counter clock sources for each channel:
Internal clocks: φ, φ/2, φ/4, φ/8
External clocks: TCLKA, TCLKB, TCLKC, TCLKD
• Five operating modes selectable in all channels:
Waveform output by compare match
Selection of 0 output, 1 output, or toggle output (only 0 or 1 output in channel 2)
Input capture function
Rising edge, falling edge, or both edges (selectable)
Counter clearing function
Counters can be cleared by compare match or input capture
Synchronization
Two or more timer counters (16TCNTs) can be preset simultaneously, or cleared
simultaneously by compare match or input capture. Counter synchronization enables
synchronous register input and output.
PWM mode
PWM output can be provided with an arbitrary duty cycle. With synchronization, up to
three-phase PWM output is possible
Section 9 16-Bit Timer
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