M37212 Mitsubishi, M37212 Datasheet - Page 50

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

Fig. 8.8.2 A-D Mode Register
Fig. 8.8.3 A-D Control Register
50
A - D C o n t r o l R e g i s t e r
A - D M o d e R e g i s t e r
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
6 , 7
t o
0
5
B
B
3
A - D c o n t r o l r e g i s t e r ( A D C ) [ A d d r e s s 0 0 E F
t o
4
t o
0
2
5
7
A - D m o d e r e g i s t e r ( A D M ) [ A d d r e s s 0 0 E E
N o t h i n g i s a s s i g n e d . T h e s e b i t s a r e w r i t e d i s a b l e b i t s .
W h e n t h e s e b i t s a r e r e e d o u t , t h e v a l u e s a r e “ 0 . ”
D - A c o n v e r t e r s e t b i t s
( A D C 0 t o A D C 5 )
A n a l o g i n p u t p i n s e l e c t i o n
b i t s
( A D M 0 t o A D M 2 )
T h i s b i t i s a w r i t e d i s a b l e b i t .
W h e n t h i s b i t i s r e a d o u t , t h e v a l u e i s “ 0 . ”
S t o r a g e b i t o f c o m p a r i s o n
r e s u l t ( A D M 4 )
N o t h i n g i s a s s i g n e d . T h i s b i t s a r e w r i t e d i s a b l e b i t s .
W h e n t h e s e b i t s a r e r e a d o u t , t h e v a l u e s a r e “ 0 . ”
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
N a m e
N a m e
b 5
0
0
0
1
1
1
b 2 b 1 b 0
0 : I n p u t v o l t a g e < r e f e r e n c e v o l t a g e
1 : I n p u t v o l t a g e > r e f e r e n c e v o l t a g e
0
0
0
0
1
1
1
1
b 4
0
0
1
1
1
0
0
0
1
1
0
0
1
1
b 3
0
0
0
1
1
1
1 6
0 : A - D 1
1 : A - D 2
0 : A - D 3
1 : A - D 4
0 : A - D 5
1 : A - D 6
0 : A - D 7
1 : A - D 8
]
F u n c t i o n s
b 2
0
0
0
1
1
1
F u n c t i o n s
1 6
b 1
0
0
1
0
1
1
]
with ON-SCREEN DISPLAY CONTROLLER
b 0
0
1
0
1
0
1
: 1 / 1 2 8 V c c
: 3 / 1 2 8 V c c
: 5 / 1 2 8 V c c
: 1 2 3 / 1 2 8 V c c
: 1 2 5 / 1 2 8 V c c
: 1 2 7 / 1 2 8 V c c
MITSUBISHI MICROCOMPUTERS
M37212EFSP/FP
A f t e r r e s e t R W
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
R W
R —
R
R —
R W
R W
R —
—
Rev. 1.0