HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 233

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HD6475328-CP10

Manufacturer Part Number
HD6475328-CP10
Description
original Hitachi CMOS microcomputer unit (MCU)
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
Timing of Compare-Match Clear
Depending on the CCLR1 and CCLR0 bits in the TCR, the timer counter can be cleared when
compare-match A or B occurs. Figure 11-5 shows the timing of this operation.
11.3.3 External Reset of TCNT
When the CCLR1 and CCLR0 bits in the TCR are both set to “1,” the timer counter is cleared on
the rising edge of an external reset input. Figure 11-6 shows the timing of this operation.
ø
Internal
compare-match
signal
TCNT
ø
External reset
input (TMRI)
Internal clear
pulse
TCNT
Figure 11-5 Timing of Compare-Match Clear
Figure 11-6 Timing of External Reset
N – 1
N
217
N
H’00
H’00

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