Pwm Output Control Registers 1 And 2 (Pwocr1, Pwocr2) - Hitachi H8S/2646 Hardware Manual

Bit 3—Counter Start (CST): Bit 3 selects starting or stopping of the PWCNT counter for the
corresponding channel.
Bit 3: CST Description
0 PWCNT is stopped
1 PWCNT is started
Bits 2 to 0—Clock Select (CKS): Bits 2 to 0 select the clock for the PWCNT counter in the
corresponding channel.
Bit 2: CKS2 Bit 1: CKS1
0 0
1
1
*
17.2.2

PWM Output Control Registers 1 and 2 (PWOCR1, PWOCR2)

PWOCR1
Bit 7
OE1H
Initial value 0
Read/Write R/W
PWOCR2
Bit 7
OE2H
Initial value 0
Read/Write R/W
PWOCR is an 8-bit read/write register that enables or disables PWM output. PWOCR1 controls
outputs PWM1H to PWM1A, and PWOCR2 controls outputs PWM2H to PWM2A.
PWOCR is initialized to H'00 upon reset, and in standby mode, watch mode, subactive mode,
subsleep mode, and module stop mode.
Bit 0: CKS0
0
1
0
1
*
6 5
OE1G OE1F OE1E
0 0
R/W R/W
6 5
OE2G OE2F OE2E
0 0
R/W R/W
Description
Internal clock: counts on ø/1
Internal clock: counts on ø/2
Internal clock: counts on ø/4
Internal clock: counts on ø/8
Internal clock: counts on ø/16
4 3
OE1D OE1C
0 0
R/W R/W R/W
4 3
OE2D OE2C
0 0
R/W R/W R/W
(Initial value)
(Initial value)
*: Don't care
2 1 0
OE1B OE1A
0 0 0
R/W R/W
2 1 0
OE2B OE2A
0 0 0
R/W R/W
617