Renesas PCA7401 Manual de usuario descargar pdf (Pagina 11)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP

M37281MKH–XXXSP,M37281EKSP

MITSUBISHI MICROCOMPUTERS

Rev. 1.0

N-channel open-drain output

Ports P45, P46

Note : Each pin is also used

as follows :

P45 : SOUT

P46 : SCLK

CMOS output

Port P55

Note : Port P55 is also used

as pin OUT1.

Schmidt input

HSYNC, VSYNC

Fig. 7.2 I/O Pin Block Diagram (2)

SYNC

, V

SYNC

OUT

, S

CLK

Port P5

Data bus

Direction register

Internal circui

Data bus

Ports P4

–P4

Internal circui

Internal circuit

Ports P5

–P5

Output

Ports P52–P54

Note : Each port is also used as follows :

P52 : R/R1

P53 : G/G1

P54 : B/B1

Input

Ports P40–P44

Note : Each port is also used as follows :

P40 : AD4

P41 : INT2

P42 : TIM2

P43 : TIM3

P44 : INT1

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 158 159

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