h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 331
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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10.5
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 the 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, however the priority order
within a channel is fixed. For details, see section 5, Interrupt Controller.
Table 10.36 lists the TPU interrupt sources.
TCLKA
TCLKB
Interrupt Sources
Figure 10.29 Phase Counting Mode Application Example
Edge
detection
circuit
TGRB_0 (pulse width capture)
TGRD_0 (buffer operation)
(position control period)
(speed period capture)
(speed period capture)
(speed control period)
TGRC_0
TCNT_1
TGRA_1
TGRB_1
TCNT_0
TGRA_0
Channel 1
Channel 0
Rev. 2.00 Dec. 05, 2005 Page 293 of 724
Section 10 16-Bit Timer Pulse Unit (TPU)
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REJ09B0200-0200
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