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SERIAL REGISTER MAP
SLAS631A – APRIL 2009 – REVISED JULY 2009 ............................................................................................................................................................. www.ti.com
Table 8. Summary of Functions Supported by Serial Interface(1)
REGISTER
REGISTER FUNCTIONS
ADDRESS
A7 - A0
D7
D6
D5
D4
D3
D2
D1
D0
IN HEX
<RESET>
<SERIAL
00
0
Software
READOUT>
Reset
<ENABLE
LOW
20
0
SPEED
mode>
<REF>
<STAND
3F
0
BY>
Internal or external reference
40
0
<POWER DOWN MODES>
<LVDS
CMOS>
41
0
Output
interface
44
<CLKOUT EDGE CONTROL>
0
<DATA FORMAT>
<ENABLE
50
0
INDEPENDENT
0
2s comp or offset
CHANNEL CONTROL>
binary
51
<CUSTOM PATTERN LOW>
0
52
0
<CUSTOM PATTERN HIGH>
<OFFSET CORRECTION
53
0
ENABLE – Common/Ch
0
A>
<GAIN PROGRAMMABILITY – Common/Ch A>
<OFFSET CORRECTION TIME
55
0 to 6 dB in 0.5 dB steps
CONSTANT – Common/ Ch A >
56
<SNRBoost Coeff 1 – Common/ Ch A >
<SNRBoost Coeff 2 – Common/ Ch A >
<FINE GAIN ADJUST – Common/ Ch A >
57
0
+0.001 dB to +0.134 dB, in 128 steps
<SNRBoost
Enable –
59
0
Common/ Ch A
>
62
0
<TEST PATTERNS - Common/ Ch A >
63
0
<OFFSET PEDESTAL – Common/ Ch A >
<OFFSET CORRECTION
66
0
ENABLE– Ch B>
<GAIN PROGRAMMABILITY – Ch B>
<OFFSET CORRECTION TIME
68
0 to 6 dB in 0.5 dB steps
CONSTANT – Ch B>
69
<SNRBoost Coeff 1 – Ch B>
<SNRBoost Coeff 2 – Ch B>
<FINE GAIN ADJUST – Ch B>
6A
0
+0.001 dB to +0.134 dB, in 128 steps
<SNRBoost
6C
0
Enable – Ch
B>
75
0
<TEST PATTERNS - Ch B>
76
0
<OFFSET PEDESTAL – Ch B>
(1)
Multiple functions in a register can be programmed in a single write operation.
18
Copyright 2009, Texas Instruments Incorporated