TEA6420 查看數據表（PDF） - STMicroelectronics
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TEA6420 Datasheet PDF : 7 Pages
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TEA6420
SOFTWARE SPECIFICATION
1. Chip address
1001 1000
1001 1010
Address
HEX
98
9A
2. Data bytes
Output select
X
0
0
G1
G0
I2
I1
I0
0
1
1
0
1
1
Input select
X
Q1
Q0
G1
G0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
Gain select
X
Q1
Q0
0
0
I2
I1
I0
0
1
1
0
1
1
ADDR
0
1
Output 1
Output 2
Output 3
Output 4
Input 1
Input 2
Input 3
Input 4
Input 5
Mute
Gain = 6 dB
Gain = 4 dB
Gain = 2 dB
Gain = 0 dB
X = don’t care - MSB is transmitted first
Example : X1001100 connects output 3 with input 5 at a gain of 4dB
The following are selected after power-on reset : input 5 selected for all outputs ; gain = 0dB.
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