M37212 Mitsubishi, M37212 Datasheet - Page 10

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

Fig. 7.1 I/O Pin Block Diagram (1)
10
I
I
2
2
Port P0
Ports P4
Ports P1
Ports P1
C-BUS clock
C-BUS data
Data bus
Data bus
Data bus
Data bus
0,
1
0
–P1
, P2, P3
P4
1
4
0
, P3
1
Direction register
Direction register
Direction register
Direction register
Port latch
Port latch
Port latch
Port latch
BSEL0
BSEL1
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
SCL1, SCL2,
SDA1, SDA2
S
IN
, S
CLK
with ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
N-channel open-drain output
CMOS output
Ports P1
Notes 1: Each port is also used as follows :
N-channel open-drain output
Port P0
Note : Each port is also used as follows :
CMOS output
Ports P1
Note : Port P1
N-channel open-drain output
Ports P4
Note : Each port is also used as follows :
2: The output structure of ports P1
P0
A-D8.
P4
P4
1
M37212EFSP/FP
0
0
P1
P1
P1
P1
P1
when using as multi-master I
BUS interface (it is the same with
ports P4
–P1
0
0
1
, P2, P3
, P4
–P0
: S
: S
1
2
3
4
4
4
: SCL1
: SCL2
: SDA1
: SDA2
is N-channel open-drain output
1
OUT(/IN)
CLK
0
3
is also used as OUT2/
: PWM4–PWM7
0
/A-D6
0
and P4
, P3
/A-D7
1
1
).
Rev. 1.0
2
C-
1
–