Renesas PCA7401 Bedienungsanleitung PDF herunterladen (Seite 5)

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

5. FUNCTIONAL BLOCK DIAGRAM

Fig. 5.1 Functional Block Diagram of M37281

( )... M37281EKSP

(AV

)

Clock input

Clock output

OUT

Reset input

CNV

Pins for data slicer

Clock output for OSD/

sub-clock output

Input ports P6

, P6

OSC1/X

CIN

OSC2/X

OUT

Clock input for OSD/

sub-clock input

P1 (8)

Multi-master

C-BUS interface

P3 (2)

SDA1

SCL2

SCL1

SDA2

P2 (8)

P0 (8)

P4 (7)

CLK

OUT

SI/O (8)

INT1

INT2

SYNC

A-D

converter

8-bit

arithmetic

and

logical unit

Accumulator

A (8)

Timer 6

T6 (8)

Timer 5

T5 (8)

Timer 4

T4 (8)

Timer 3

T3 (8)

Timer 2

T2 (8)

Timer 1

T1 (8)

Timer count source

selection circuit

TIM2

TIM3

Data slicer

Instruction

decoder

Control signal

Processor

status

PS (8)

Stack

pointer

S (8)

Index

Y (8)

Index

X (8)

ROM

Program

counter

(8)

Progam

counter

(8)

RAM

Data bus

Clock

generating

circuit

RESET

HOLD

HLF

Address bus

I/O ports

, P3

I/O port P1

I/O port P2

I/O port P0

Input ports P4

–P4

P5 (4)

OUT1

Output port

–P5

Sync

signal input

INT3

PWM6

PWM5

PWM4

PWM3

PWM2

PWM1

PWM0

8-bit

PWM circuit

PWM7

Input ports P7

0 –

A-D converter

SI/O

P7 (3)

OSD circuit

P6(2)

OSD circuit

1 2 3 4 5 6 7 8 9 10 ... 158 159

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