HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 458

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

PWCR—PWM control register
PWDRU—PWM data register U
PWDRL—PWM data register L
454
Bit
Initial value
Read/Write
Note: tø: Period of PWM input clock
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
*
PWDRL7
Clock select
—
—
0 The input clock is ø/2 (tø = 2/ø). The conversion period is 16,384/ø,
1 The input clock is ø/4 (tø = 4/ø). The conversion period is 32,768/ø,
—
—
W
7
1
7
1
7
0
with a minimum modulation width of 1/ø.
with a minimum modulation width of 2/ø.
PWDRL6
—
—
—
—
W
6
1
6
1
6
0
Lower 8 bits of data for generating PWM waveform
PWDRU5 PWDRU4 PWDRU3
PWDRL5 PWDRL4 PWDRL3
—
—
W
W
5
1
5
0
5
0
Upper 6 bits of data for generating PWM waveform
*
*
—
—
W
W
4
1
4
0
4
0
—
—
W
W
3
1
3
0
3
0
H'FFD0
H'FFD1
H'FFD2
PWDRU2 PWDUR1
PWDRL2
—
—
W
W
2
1
2
0
2
0
PWDRL1
—
—
W
W
1
1
1
0
1
0
14-bit PWM
14-bit PWM
14-bit PWM
PWCR0
PWDRU0
PWDRL0
W
W
W
0
0
0
0
0
0