M37280MF Datasheet, PDF (10/178 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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MITSUBISHI MICROCOMPUTERS
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
SOUT, SCLK
Data bus
Direction register
N-channel open-drain output
Ports P45, P46
Note : Each pin is also used
as follows :
P45 : SOUT
P46 : SCLK
HSYNC, VSYNC
Internal circuit
Ports P40–P44
Data bus
Schmidt input
HSYNC, VSYNC
Port P55
Internal circuit
Input
Ports P40–P44
Note : Each port is also used as below :
P40 : AD4
P41 : INT2
P42 : TIM2
P43 : TIM3
P44 : INT1
CMOS output
Port P55
Note : Port P55 is also used
as pin OUT1.
Ports P32, P47, P51, P56, P57,
P60–P62, P65–P67
Data bus
Port P50
Data bus
Ports latch
Ports latch
Fig. 11.2 I/O Pin Block Diagram (2)
10
N-chanel open drain output
Ports P32, P47, P51, P56, P57,
P60–P62, P65–P67
N-chanel open drain output
Port P50
Note : Port P50 is also used
as pin PWM7.
Rev. 1.0