ATR1842 Datasheet, PDF (5/8 Pages) ATMEL Corporation – Front Monitor Diode for Blu-ray/HD-DVD/ DVD/CD with Serial Interface

ATR1842 [Preliminary]
6. Serial Programming Interface
6.1 Data
MSB2
LSB2
m1 m2 g1 g2 g3 g4 g5 g6
6.2 Mode Setting
The first two bits select the mode/gain level.
Table 6-1.
m1
1
1
0
0
Mode Selection Register
m2
1
0
1
0
Mode Select
High Gain
Middle Gain
Low Gain
Sleep
6.3 Gain Setting
The last six bits are used to finely adjust the gain by ±6 dB.
Table 6-2. Gain Selection Register
g1
g2
g3
g4
g5
g6
1
1
1
1
1
1
…
1
0
0
0
0
0
…
0
0
0
0
0
0
Gain
+6 dB
…
0 dB
…
–6 dB
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