HA12167FB Datasheet, PDF(21/73 Page) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck (Deck 1 Chip)

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HA12167FB Datasheet, PDF (21/73 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck (Deck 1 Chip)

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HA12167FB/HA12169FB

Serial Data Formatting

Bit Mode Control

Input Voltage

Eaqualizer Voltage Basic DAC

No.

0 Tape

bit 0

selector 1 bit 1 H

H Metal

L Crom

Normal

Reset

I-bit 0 L

E-bit 0 L

B-bit o L

channel

1 Tape

selector 2

2 Tape

H Hi speed selection

speed

L Normal speed selection

3 Meter H Meter sensitivity 20 dB L

sensitivity up

L Meter sensitinity normal

4 Input

bit 4

selector 1 bit 5 H

H VRI3 RPI

L VRI2 VRI1

I-bit 1 L

I-bit 2 L

I-bit 3 L

I=bit 4 L

E-bit 1 L

E-bit 2 L

E-bit 3 L

E-bit 4 L

B-bit 1 L

B-bit 2 L

B-bit 3 L

B-bit 4 L

5 Input

selector 2

I-bit 5 H

ââ

B-bit 5 L

6 REC/PB H PB mode selection H R

I-bit 0 L

E-bit 0 L

B-bit 0

channel

L REC mode selection

7 Input

H PB mode volume gain H

voltage

gain

I-bit 1 L

E-bit 1 L

B-bit 1 L

8 MPX

L Rec mode volume gain

H ON

I-bit 2 L

E-bit 2 L

B-bit 2 L

9 NR

L OFF

H ON

I-bit 3 L

E-bit 3 L

B-bit 3 L

10 B/C

L OFF

I-bit 4 L

E-bit 4 L

B-bit 4 L

11 â

12 Registor

bit 12

selector 1 bit 13 H

H Bias DAC

Input volume

L Equalizer volume Mode control

I-bit 5 H

ââ

B-bit 5 L

13 Registor

selector 2

Rev.3, Jun. 1997, page 21 of 73

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