Datasheet

ADP8866 Data Sheet
Rev. A | Page 44 of 52
Table 81.
Bit Name Bit No. Description
N/A 7 Reserved.
SCD7_HB [6:0]
Sink current for the even numbered pulses when heartbeat mode for this channel is enabled. Use the following DAC code schedule.
See Table 39 for a complete list of values.
DAC
Code
Current (mA)
(Full Scale = 25 mA)
LEVEL_SET =
000010
Current (mA)
(Full Scale =
12.5 mA)
LEVEL_SET =
001100
Current (mA)
(Full Scale =
8.25 mA)
LEVEL_SET =
010110
Current (mA)
(Full Scale =
6.25 mA)
LEVEL_SET =
100000
Current (mA)
(Full Scale =
5.0 mA)
LEVEL_SET =
101010
0x00 0.0 0.0 0.0 0.0 0.0
0x01 0.0016 0.0008 0.0005 0.0004 0.0003
0x02 0.0062 0.0031 0.0021 0.0016 0.0012
0x03 0.014 0.0070 0.0047 0.0035 0.0028
…
…
…
…
…
…
0x7F 25.0 12.5 8.33 6.25 5.0
Independent Sink Current LED8—Even Heartbeat Pulses (ISC8_HB)—Register 0x2F
Table 82. ISC8_HB Bit Map
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Reserved
SCD8_HB
Table 83.
Bit Name Bit No. Description
N/A
7
Reserved.
SCD8_HB [6:0]
Sink current for the even numbered pulses when heartbeat mode for this channel is enabled. Use the following DAC code schedule.
See Table 39 for a complete list of values.
DAC
Code
Current (mA)
(Full Scale = 25 mA)
LEVEL_SET = 000010
Current (mA)
(Full Scale =
12.5 mA)
LEVEL_SET = 001100
Current (mA)
(Full Scale =
8.25 mA)
LEVEL_SET = 010110
Current (mA)
(Full Scale =
6.25 mA)
LEVEL_SET = 100000
Current (mA)
(Full Scale =
5.0 mA)
LEVEL_SET =
101010
0x00 0.0 0.0 0.0 0.0 0.0
0x01 0.0016 0.0008 0.0005 0.0004 0.0003
0x02 0.0062 0.0031 0.0021 0.0016 0.0012
0x03 0.014 0.0070 0.0047 0.0035 0.0028
… … … … … …
0x7F 25.0 12.5 8.33 6.25 5.0
Independent Sink Current LED9—Even Heartbeat Pulses (ISC9_HB)—Register 0x30
Table 84. ISC9_HB Bit Map
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved SCD9_HB