bh7779k ROHM Co. Ltd., bh7779k Datasheet - Page 8

• Manufacturer Part Number: bh7779k
• Description: Audio Signal Processing System
• Manufacturer: ROHM Co. Ltd.

Equivalent circuits for the control and input / output circuits - (3)
8
Video ICs
AUDIO HEAD SWITCH PULSE IN (27pin)
RHS CTRL (26pin)
DATA (8pin) , CLOCK (9pin)
27
(8pin)
9
5k
30k
10k
5k
26
PB
30k
3V
V
V
GND
CC
EE
V
V
GND
CC
EE
V
V
CC
EE
ENVELOPE / Hi - Fi DET OUT (10pin)
MUTE CTRL (6pin)
51k
16k
200
10k
50k
6
3k
50k
10
200
V
V
GND
CC
EE
10k
2.5V
V
V
GND
BH7779K
CC
EE