CXA1810 データシートの表示（PDF） - Sony Semiconductor

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CXA1810

Luminance and Color Signal Processing for 8mm VCR

Sony Semiconductor 

CXA1810AQ/AR

Pin

Symbol

No.

Pin voltage

DC

AC

43 DEV CONT Control

—

range:

1.8V to Vcc

Equivalent circuit

150

43

Description

During recording, adjustment

for deviation of Y-FM

modulation.

44 CARR

Control

—

CONT

range:

1.8V to Vcc

150

44

During recording, adjustment

for carrier of Y-FM modulation.

45 PB C IN 3.1V

(PB Y RF)

During playback, chroma RF

(during

+

signal input.

playback) (PB C RF

100mVp-p)

45

150

PB C LPF is built in, so that a

signal with the AFM and ATF

input

50k

components (Y RF + C RF)

3.1V

eliminated can be input.

46 SWP

47 CS

48 SI

49 CK

—

—

High : Vcc,

—

Low : 0V

input

46

150

150

47

48

49

2.05V

RF SWP (switching pulse) and

HCHG (head change) pulse

input. Half H shift, HHS

cancel, ACC channel hold,

and PI/PS switching operate

at VTH = 0.7V. Yd playback

during playback operates at

VTH = 2.05V (same as when

mode Yd is High).

Input to BUS DECODER. CS

is used as chip select, and

data is latched at rising edge.

CK is the clock input. Use a

clock frequency fck of less

than 1.3MHz. SI is used as a

serial input and serial data is

input.

—12—

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