MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
SOUT, SCLK
N-channel open-drain output
Direction register
Ports SOUT, SCLK
Note : Each pin is also used
as below :
Data bus
SOUT : P45
SCLK : P46
HSYNC, VSYNC
R, G, B, OUT1
Schmidt input
HSYNC, VSYNC
CMOS output
R, G, B, OUT1
Internal circuit
Internal circuit
Note : Each pin is also used
as below :
R : P52 B : P54
G : P53 OUT1 : P55
Ports P40–P44
Data bus
Ports P40–P44
Note : Each port is also used as below :
P40 : AD4
P41 : INT2
P42 : TIM2
P43 : TIM3
P44 : INT1
N-channel open-drain output
Ports P32, P47, P50, P51, P56,
P57, P65-P67
Data bus
Port latch
Ports P50, P60–P62
Note : Port P50 is also used
Data bus
Port latch
as PWM7
Fig. 90. I/O pin block diagram (2)
78
MITSUBISHI [ Mitsubishi Group ]
