參數(shù)資料
型號(hào): NJW1154
廠商: New Japan Radio Co., Ltd.
英文描述: 2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
中文描述: 2通道電子音量與輸入選擇
文件頁數(shù): 5/6頁
文件大小: 99K
代理商: NJW1154
NJW1154
– 5 –
I
DEFINITION OF I
2
C REGISTER
I
2
C BUS FORMAT
MSB LSB MSB LSB MSB LSB
S
Slave Address
A
Select Address
A
Data
A
P
1bit 8bit 1bit 8bit 1bit 8bit 1bit 1bit
S: Starting Term
A: Acknowledge Bit
P: Ending Term
SLAVE ADDRESS
MSB LSB
1
0
0
0
0
0
1
R/W
R/W=0: Receive Only
R/W=1: No Output Data
CONTROL REGISTER TABLE
The select address sets each function (Volume, Selector).
The auto increment function cycles the select address as follows.
00H
01H
02H
00H
BIT
Select
Address
D7
D6
D5
D4
D3
D2
D1
D0
00H
Don’t Care
VOLa
01H
Don’t Care
VOLb
02H
Don’t Care
Selector
CONTROL REGISTER DEFAULT VALUE
Control register default values are as follows :
Select
Address
D7
00H
1
01H
1
02H
0
BIT
D6
1
1
0
D5
1
1
0
D4
1
1
0
D3
1
1
0
D2
1
1
0
D1
1
1
0
D0
1
1
0
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