HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 325

• Manufacturer Part Number: HD6432160
• Description: Hitachi 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

12.5.4
TCNT is cleared when compare-match A or compare-match B occurs, depending on the setting of
the CCLR1 and CCLR0 bits in TCR. Figure 12.8 shows the timing of clearing the counter by a
compare-match.
12.5.5
TCNT is cleared at the rising edge of an external reset input, depending on the settings of the
CCLR1 and CCLR0 bits in TCR. The width of the clearing pulse must be at least 1.5 states. Figure
12.9 shows the timing of clearing the counter by an external reset input.
Timing of Counter Clear at Compare-Match
TCNT External Reset Timing
Ø
Compare-match
signal
TCNT
Ø
External reset
input pin
Clear signal
TCNT
Figure 12.9 Timing of Counter Clear by External Reset Input
Figure 12.8 Timing of Counter Clear by Compare-Match
N – 1
N
N
Rev. 2.0, 08/02, page 285 of 788
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