M37212 Mitsubishi, M37212 Datasheet - Page 103

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

Rev. 1.0
P o r t P i D i r e c t i o n R e g i s t e r
Port Pi Direction Register
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
b7 b6 b5 b4 b3 b2 b1 b0
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
2 t o 7
B
1
2
3
4
5
6
7
P o r t P i d i r e c t i o n r e g i s t e r ( D i ) ( i = 3 , 4 ) [ A d d r e s s 0 0 C 7
0
B
0
1
Port Pi direction register (Di) (i=0,1,2) [Addresses 00C1
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
Port Pi direction register
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 a d o u t , t h e v a l u e s a r e i n d e t e r m i n a t e .
P o r t P i d i r e c t i o n r e g i s t e r
N a m e
Name
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : Port Pi
1 : Port Pi
0 : P o r t P i
1 : P o r t P i
0 : P o r t P i
1 : P o r t P i
Addresses 00C1
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
F u n c t i o n s
Functions
0
0
1
1
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
input mode
output mode
i n p u t m o d e
o u t p u t m o d e
i n p u t m o d e
o u t p u t m o d e
with ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
1 6
, 00 C 9
16,
00C3
1 6
]
M37212EFSP/FP
16
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
, 00C5
After reset R W
0
0
0
0
0
0
0
0
0
0
16
16
]
Address 00C7
, 00C3
R W
R W
R —
R W
R W
R W
R W
R W
R W
R W
R W
16
, 00C5
103
16
16