HA12215 Hitachi Semiconductor, HA12215 Datasheet - Page 8

• Manufacturer Part Number: HA12215
• Description: Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
• Manufacturer: Hitachi Semiconductor

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