h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 537
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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)
- Current page: 537 of 766
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16.3.3
PWPR selects the PWM output polarity.
(n = 1, 2)
16.3.4
PWCNT is a 10-bit up-counter incremented by the input clock. The input clock is selected by
clock select bits CKS2 to CKS0 in PWCR.
PWCNT can not be directly accessed by the CPU. PWCNT is initialized to H'FC00, when CST bit
in PWCR is 0.
16.3.5
PWCYR is a 16-bit readable/writable register that sets the PWM conversion cycle. When a
PWCYR compare match occurs, PWCNT is cleared and data is transferred from the buffer register
(PWBFR) to the duty register (PWDTR).
PWCYR should be written to only while PWCNT is stopped. A value of H'FC00 must not be set.
PWCYR is initialized to H'FFFF.
Bit
7
6
5
4
3
2
1
0
Bit Name
OPSnH
OPSnG
OPSnF
OPSnE
OPSnD
OPSnC
OPSnB
OPSnA
PWM Polarity Register (PWPR)
PWM Counter (PWCNT)
PWM Cycle Register (PWCYR)
Initial
Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Output Polarity Select
Each of these bits selects the PWM output polarity.
0: PWM direct output
1: PWM inverse output
Section 16 Motor Control PWM Timer (PWM)
Rev. 2.00 Dec. 05, 2005 Page 499 of 724
REJ09B0200-0200
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