BU38603 Просмотр технического описания (PDF) - ROHM Semiconductor

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Компоненты Описание

производитель

BU38603

System control servo

ROHM Semiconductor 

Video ICs

BU38603 / BU38703 / BU38803

10 22 43

Iadin

A

A SW1

V1

B

C

TEST pin (2-9)

D/A

23

1

10 64

•Application example

Serial bus

CSYNC

Pseudo VSYNC

Count pulse

Fig.3

8MHz

Capstan control Drum control

Control

SI / O

Interrupt

PI / O

CPU ROM / RAM

Timer FRC Data shift

VHPULSE

Watchdog

Servo mode

PWM

Head amplifier

· chroma

Pattern generator

Linear time counter

A/D

VISSVASS

Amplifier gain control

RESET

CFG. CTL divider

DFGAMP

DPG

CFGAMP

REF

voltage

CTLAMP

ENVIN

Head amplifier SW

Chroma rotary SW

AHSW

VHSW

CTL coil

DFG DPG CFG

Fig.4

6

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