njw1221 New Japan Radio Co.,Ltd, njw1221 Datasheet - Page 7

• Manufacturer Part Number: njw1221
• Description: 4.1-channel Electronic Volume With 5 Bands Parametric Equalizer
• Manufacturer: New Japan Radio Co.,Ltd

♦I
♦SLAVE ADDRESS
♦CONTROL REGISTER TABLE
<Write Mode>
DEFINITION OF I
2
C BUS FORMAT
Address
The select address sets each function (Input Selector, Input Gain, Main Volume, Loudness, Parametric Equalizer,
High Pass Filter, Low Pass Filter, Fader Volume, Subwoofer Volume, Headphone Volume, Beep Control, Other Settings).
The auto increment function cycles the select address as follows.
00H→01H→02H→03H→04H→05H→06H→07H→08H→09H→0AH→0BH→0CH→0DH→0EH→0FH→10H→11H→00H
1bit
Select
MSB
0CH
0DH
S
0AH
0BH
0EH
0FH
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
10H
11H
1
MSB
S: Starting Term
A: Acknowledge Bit
P: Ending Term
0
LOUDNESS
Slave Address
EQTEST
SA RST
SM SP
D7
*
*
*
*
*
*
*
*
*
8bit
2
0
C REGISTER
EQ1FC
EQ5FC
Slave Address
EQPASS
0
SA DET
SM HP
LSB
INPUT SELECTOR
D6
EQ1Q
EQ2Q
EQ3Q
EQ4Q
EQ5Q
0
1bit
A
SUBW SW
MSB
SSMAIN
BSEL
0
D5
Select Address
EQ2FC
HPF
0
8bit
BCEQ1
BCEQ2
BCEQ3
BCEQ4
BCEQ5
SSEQ
BEEP
D4
LSB
0
MAIN VOL
HP VOL
LSB
BIT
80(h)
Hex
SUBW VOL
FADER FR
FADER RR
FADER RL
FADER FL
SSFADER
1bit
-
SATEST
PHASE
A
D3
MSB
EQ3FC
LPFORDER
BEEP VOL
HPTEST
SS SW
Data
D2
8bit
INPUT GAIN
EQ1LVL
EQ2LVL
EQ3LVL
EQ4LVL
EQ5LVL
VR1TEST
LSB
D1
NJW1221
1bit
SS TIME
A
EQ4FC
LPF
1bit
* : Don’t Care
VR2TEST
P
– 7 –
D0