Atr1842 [preliminary, Serial programming interface, 1 data 6.2 mode setting – Rainbow Electronics ATR1842 User Manual
Page 5: 3 gain setting
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9109AS–DVD–08/07
ATR1842 [Preliminary]
6.
Serial Programming Interface
6.1
Data
6.2
Mode Setting
The first two bits select the mode/gain level.
6.3
Gain Setting
The last six bits are used to finely adjust the gain by ±6 dB.
MSB2
LSB2
m1
m2
g1
g2
g3
g4
g5
g6
Table 6-1.
Mode Selection Register
m1
m2
Mode Select
1
1
High Gain
1
0
Middle Gain
0
1
Low Gain
0
0
Sleep
Table 6-2.
Gain Selection Register
g1
g2
g3
g4
g5
g6
Gain
1
1
1
1
1
1
+6 dB
…
…
1
0
0
0
0
0
0 dB
…
…
0
0
0
0
0
0
–6 dB
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