Renesas Hitachi H8S/2194 Series Hardware Manual page 998

H'D120: PWM Data Register L PWDRL: 14-Bit PWM
Bit :
7
PWDRL7
Initial value :
0
R/W : W
H'D121: PWM Data Register U PWDRU: 14-Bit PWM
Bit :
7
—
Initial value : 1
—
R/W :
H'D122: PWM Control Register PWCR: 14-Bit PWM
Bit :
7
—
Initial value : 1
—
R/W :
H'D126: 8-Bit PWM Data Register 0 PWR0: 8-Bit PWM
Bit :
7
PW07
Initial value :
0
W
R/W :
H'D127: 8-Bit PWM Data Register 1 PWR1: 8-Bit PWM
Bit :
7
PW17
Initial value : 0
W
R/W :
6 5
PWDRL6 PWDRL5 PWDRL4
0 0
W W
6 5
—
PWDRU5 PWDRU4
1 0
—
W
6 5
— —
1 1
— —
Clock select bit
Input clock is φ/2 (tφ = 2/φ)
0
Generate PWM waveform with conversion frequency of
16384/φ and minimum pulse width of 1/φ
Input clock is φ/4 (tφ = 4/φ)
1
Generate PWM waveform with conversion frequency of
32768/φ and minimum pulse width of 2/φ
Note: * tφ: PWM input clock frequency
6 5
PW06 PW05
0 0
W W
6 5
PW16 PW15
0 0
W W
4 3
PWDRL3 PWDRL2
0 0
W W
4 3
PWDRU3 PWDRU2
0 0
W W
4 3
— —
1 1
— —
4 3
PW04 PW03 PW02
0 0
W W
4 3
PW14 PW13 PW12
0 0
W W
Rev. 2.0, 11/00, page 971 of 1037
2 1 0
PWDRL1 PWDRL0
0 0 0
W W W
2 1 0
PWDRU1 PWDRU0
0 0 0
W W W
2 1 0
— —
PWCR0
1 1 0
— —
R/W
2 1
PW01 PW00
0 0
W W W
2 1
PW11 PW10
0 0
W W W
0
0
0
0