H8S2138 Datasheet, PDF (305/1061 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series

9.3 Operation
Section 9 8-Bit PWM Timers [H8S/2138 Group]
9.3.1 Correspondence between PWM Data Register Contents and Output Waveform
The upper 4 bits of PWDR specify the duty cycle of the basic pulse as 0/16 to 15/16 with a
resolution of 1/16, as shown in table 9.4.
Table 9.4 Duty Cycle of Basic Pulse
Upper 4 Bits
0000
Basic Pulse Waveform (Internal)
0 1 2 3 4 5 6 7 8 9 A BC D E F 0
0001
0010
0011
0100
0101
0110
0111
...
1000
1001
1010
1011
1100
1101
1110
1111
Rev. 4.00 Jun 06, 2006 page 251 of 1004
REJ09B0301-0400