HA12215F Datasheet, PDF (8/69 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12215F
Parallel-Data Format
Pin No. Pin Name
15
ALC ON/OFF
16
PB A/B
17
A 120/70
22
RM ON/OFF
20
BIAS ON/OFF
23
NR ON/OFF
24
REC/PB/PASS
25
LM ON/OFF
18
NORM/HIGH
19
B NORM/CROM/
METAL
Note: 1. PB EQ logic
Lo
ALC ON
Ain *¹
*1
REC MUTE ON
BIAS OFF
NR OFF
REC MODE
LINE MUTE OFF
Normal speed
REC EQ Normal *¹
Bias Normal
Mid
—
—
—
—
—
—
PB MODE
—
—
REC EQ CROM *¹
Bias CROM
Hi
ALC OFF
Bin *¹
*1
REC MUTE OFF
BIAS ON
NR ON
REC MODE PASS
LINE MUTE ON
High speed
REC EQ METAL *¹
Bias METAL
MODE
“Pin Open”
Lo
Lo
Lo
Lo
Lo
Lo
Mid
Lo
Lo
Lo
PB EQ Logic
A 120/70
Lo
Lo
Hi
Hi
B NORM / CROM / METAL
Lo
Hi or Mid
Lo
Hi or Mid
PB
Lo
FLAT
FLAT
70 µ
70 µ
Hi
FLAT
70 µ
FLAT
70 µ
Rev.5, Oct. 1999, page 8 of 69