Texas Instruments DS100KR800EVK evaluation board DS100KR800EVK/NOPB DS100KR800EVK/NOPB Scheda Tecnica
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DS100KR800EVK/NOPB
SNLS340D – NOVEMBER 2011 – REVISED APRIL 2013
Table 8. SMbus Register Description Table (continued)
Address
Register Name
Bit (s)
Field
Type
Default
Description
0x15
CH1 - CHB1
7:0
Reserved
R/W
0x00
Set bits to 0.
Reserved
0x16
CH1 - CHB1
7:0
EQ Control
R/W
0x2F
IB1 EQ Control - total of 256 levels.
EQ
See
0x17
CH1 - CHB1
7
Short Circuit
R/W
0xAD
1: Enable the short circuit protection
VOD
Protection
0: Disable the short circuit protection
6
Reserved
Set bit to 0.
5:3
Reserved
Set bits to default value - 101.
2:0
VOD Control
OB1 VOD Control
000: 0.7 V
001: 0.8 V
010: 0.9 V
011: 1.0 V
100: 1.1 V
101: 1.2 V (default)
110: 1.3 V
111: 1.4 V
000: 0.7 V
001: 0.8 V
010: 0.9 V
011: 1.0 V
100: 1.1 V
101: 1.2 V (default)
110: 1.3 V
111: 1.4 V
0x18
CH1 - CHB1
7
STATUS
R
0x02
Observation bit for CH1 - CHB1.
DEM
6:5
STATUS
R
Observation bit for CH1 - CHB1.
4:3
Reserved
R/W
Set bits to 0.
2:0
DEM Control
R/W
OB1 DEM Control
000: 0 dB
001: –1.5 dB
010: –3.5 dB (default)
011: –5 dB
100: –6 dB
101: –8 dB
110: –9 dB
111: –12 dB
000: 0 dB
001: –1.5 dB
010: –3.5 dB (default)
011: –5 dB
100: –6 dB
101: –8 dB
110: –9 dB
111: –12 dB
0x19
CH1 - CHB1
7:4
Reserved
R/W
0x00
Set bits to 0.
IDLE Threshold
3:2
IDLE thd
De-assert threshold
00 = 110 mVp-p (default)
01 = 100 mVp-p
10 = 150 mVp-p
11 = 130 mVp-p
00 = 110 mVp-p (default)
01 = 100 mVp-p
10 = 150 mVp-p
11 = 130 mVp-p
(4)
1:0
IDLE tha
Assert threshold
00 = 180 mVp-p (default)
01 = 160 mVp-p
10 = 210 mVp-p
11 = 190 mVp-p
00 = 180 mVp-p (default)
01 = 160 mVp-p
10 = 210 mVp-p
11 = 190 mVp-p
(4)
0x1C
CH2 - CHB2
7:0
Reserved
R/W
0x00
Set bits to 0.
Reserved
0x1D
CH2 - CHB2
7:0
EQ Control
R/W
0x2F
IB2 EQ Control - total of 256 levels.
EQ
See
0x1E
CH2 - CHB2
7
Short Circuit
R/W
0xAD
1: Enable the short circuit protection
VOD
Protection
0: Disable the short circuit protection
6
Reserved
Set bit to 0.
5:3
Reserved
Set bits to default value - 101.
2:0
VOD Control
OB2 VOD Control
000: 0.7 V
001: 0.8 V
010: 0.9 V
011: 1.0 V
100: 1.1 V
101: 1.2 V (default)
110: 1.3 V
111: 1.4 V
000: 0.7 V
001: 0.8 V
010: 0.9 V
011: 1.0 V
100: 1.1 V
101: 1.2 V (default)
110: 1.3 V
111: 1.4 V
(4)
Override the SD_TH pin.
22
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