User`s manual

49
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
Fig. 8.7.3 PWM Mode Register 1
Fig. 8.7.4 PWM Mode Register 2
b
7
b
6
b
5
b
4
b
3
b
2
b1b
0
PWM mode register 1 (PN) [Address 020A 16 ]
B
After reset
R
W
PWM Mode Re
g
ister 1
0
1, 2
0
Nam
e
Function
s
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R
R
PWM counts source
selection bit (PN0)
0 : Count source supply
1 : Count source stop
3
PWM output polarity
selection bit (PN3)
0
0 : Positive polarity
1 : Negative polarity
R
W
4
P0
3 /PWM7 output
selection bit (PN4)
0
0 : P0 3 output
1 : PWM7 output
R
W
0
W
—
5 to 7 Nothing is assigned. These bits are write disable bits.
Wh
e
n
t
h
ese
b
i
ts
a
r
e
r
ead
out,
t
h
e
v
a
l
ues
a
r
e
“
0
.”
R
0
—
b7b6 b5b4b3 b2b1b0
PWM mode register 2 (PW) [Address 020B
16]
B
After reset
RW
PWM Mode Register 2
0
1
2
3
4
0
Name Functions
P0
4/PWM0 output
selection bit (PW0)
0 : P0
4 output
1 : PWM0 output
P06/PWM2 output
selection bit (PW2)
0 : P0
6 output
1 : PWM2 output
P0
7/PWM3 output
selection bit (PW3)
0 : P0
7 output
1 : PWM3 output
P0
0/PWM4 output
selection bit (PW4)
0 : P0
0 output
1 : PWM4 output
5
P0
1/PWM5 output
selection bit (PW5)
0: P0
1 output
1: PWM5 output
7
P05/PWM1 output
selection bit (PW1)
0 : P0
5 output
1 : PWM1 output
0
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
6
P0
2/PWM6 output
selection bit (PW6)
0: P0
2 output
1: PWM6 output
0
RW
Fix this bit to “0.”
0