HA12179F データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12179F

Audio Signal Processer for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp)

Hitachi -> Renesas Electronics 

HA12179F

Pin Discription (VCC = 9 V Single supply, Ta = 25°C, No signal, The value in the table

show typical value.) (cont)

Pin No.

21

Terminal

name

MS OUT

DC

Zin voltage Equivalent circuit

—

—

MS VCC

Description

Music sensor

output to MPU

22

VCC

—

VCC

—

23

MS V

CC

20

D GND

—

0.0 V —

27

MS GND

49

GND

50

48

FIN

51

—

VCC/2

46

RIN

53

45

NFI

54

28

NOI

29

FFI

Rev.1, Apr. 1994, page 6 of 40

D GND

Power supply

Digital (Logic)

ground

Music sensor

ground

Ground

PB-EQ input for

forward

PB-EQ input for

reverse

Negative

feedback

terminal of PB-

EQ amp.

Negative

feedback input

for normal speed

Negative

feedback input

for FF or REW

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