M37212 Mitsubishi, M37212 Datasheet - Page 105

• Manufacturer Part Number: M37212
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
• Manufacturer: Mitsubishi

Rev. 1.0
I
2
PWM Output Control Register 2
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
C A d d r e s s R e g i s t e r
I C D a t a S h i f t R e g i s t e r
2
b7 b6 b5 b4 b3 b2 b1 b0
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
I
t o
B
0
1
7
2
to
B
0
1
2
3
4
5
7
C a d d r e s s r e g i s t e r ( S 0 D ) [ A d d r e s s 0 0 D 8
PWM output control register 2 (PN) [Address 00D6
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
R e a d / w r i t e b i t
( R B W )
S l a v e a d d r e s s
( S A D 0 t o S A D 6 )
N o t e :
P0
selection bit (PN0)
P0
selection bit (PN1)
DA output polarity
selection bit (PN2)
PWM output polarity
selection bit (PN3)
DA general-purpose
output bit (PN4)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
t o
0
7
B
I
2
2
3
C d a t a s h i f t r e g i s t e r ( S 0 ) [ A d d r e s s 0 0 D 7
/PWM6 output
/PWM7 output
D 0 t o D 7
T o w r i t e d a t a i n t o t h e I C d a t a s h i f t r e g i s t e r a f t e r s e t t i n g t h e M S T b i t t o
“ 0 ” ( s l a v e m o d e ) , k e e p a n i n t e r v a l o f 8 m a c h i n e c y c l e s o r m o r e .
N a m e
Name
N a m e
T h i s i s a n 8 - b i t s h i f t r e g i s t e r t o s t o r e
r e c e i v e d a t a a n d w r i t e t r a n s m i t d a t a .
0 : P0
1 : PWM6 output
0 : P0
1 : PWM7 output
0 : Positive polarity
1 : Negative polarity
0 : Positive polarity
1 : Negative polarity
0 : Output LOW
1 : Output HIGH
< O n l y i n 1 0 - b i t a d d r e s s i n g ( i n s l a v e ) m o d e >
T h e l a s t s i g n i f i c a n t b i t o f a d d r e s s d a t a i s
c o m p a r e d .
0 : W a i t t h e f i r s t b y t e o f s l a v e a d d r e s s a f t e r
1 : W a i t t h e f i r s t b y t e o f s l a v e a d d r e s s a f t e r
< I n b o t h m o d e s >
T h e a d d r e s s d a t a i s c o m p a r e d .
2
S T A R T c o n d i t i o n
R E S T A R T c o n d i t i o n
2
3
F u n c t i o n s
Functions
F u n c t i o n s
with ON-SCREEN DISPLAY CONTROLLER
1 6
1 6
]
]
MITSUBISHI MICROCOMPUTERS
16
]
( r e a d s t a t e )
( w r i t e s t a t e )
After reset
M37212EFSP/FP
I n d e t e r m i n a t e
A f t e r r e s e t
0
0
0
0
0
0
A f t e r r e s e t R W
R W
R W
R W
R W
R W
R W
R —
Address 00D6
Address 00D7
Address 00D8
0
0
R W
R W
R —
R W
105
16
16
16