HA12226F Datasheet, PDF (9/86 Pages) Hitachi Semiconductor – Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)

HA12226F/HA12227F
Parallel-Data Format
Pin No.
15
16
17
22
20
23 *²
24
25
18
19
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
Note: 1. PB EQ logic
A 120/70
Lo
Lo
Hi
Hi
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
B NORM / CROM
Lo
Mid or Hi
Lo
Mid or Hi
PB
Lo
FLAT
FLAT
70 µ
70 µ
Hi
ALC OFF
Bin *¹
*1
REC MUTE OFF
BIAS ON
NR ON
REC MODE PASS
LINE MUTE ON
High speed
REC EQ CROM *¹
Bias CROM
Hi
FLAT
70 µ
FLAT
70 µ
MODE
“Pin Open”
Lo
Lo
Lo
Lo
Lo
Lo
Mid
Lo
Lo
Lo
2. The HA12226F only.
Rev.6, Dec. 2000, page 9 of 86