HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 366
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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9.5
9.5.1
There are three kinds of TPU interrupt source: TGR input capture/compare match, TCNT
overflow, and TCNT underflow. Each interrupt source has its own status flag and enable/disabled
bit, allowing generation of interrupt request signals to be enabled or disabled individually.
When an interrupt request is generated, the corresponding status flag in TSR is set to 1. If the
corresponding enable/disable bit in TIER is set to 1 at this time, an interrupt is requested. The
interrupt request is cleared by clearing the status flag to 0.
Relative channel priorities can be changed by the interrupt controller, but the priority order within
a channel is fixed. For details, see section 5, Interrupt Controller.
TCLKA
TCLKB
Interrupts
Interrupt Sources and Priorities
detection
circuit
Edge
Figure 9.33 Phase Counting Mode Application Example
TGR0A (speed control period)
TGR0B (pulse width capture)
TGR0D (buffer operation)
(position period capture)
(position control period)
(speed period capture)
TGR1A
TGR1B
TGR0C
TCNT1
TCNT0
Channel 1
Channel 0
+
–
+
–
349
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