Datasheet

Data Sheet ADPD1080/ADPD1081
Rev. B | Page 65 of 74
Address Data Bit
Default
Value Access Name Description
[13:0] 0x0 R/W BG_THRESH_B The background threshold for Time Slot B that is compared
against the ADC result during the subtract cycles during float
mode. If the ADC result exceeds the value in this register,
BG_COUNT_B is incremented.
0x3E [15:14] 0x0 R/W FLT_LED_SELECT_A Time Slot A LED selection for float LED mode.
0: no LED selected.
1: LED1.
2: LED2.
3: LED3.
13 0 R/W Reserved Write 0x0.
[12:8] 0x03 R/W FLT_LED_WIDTH_A Time Slot A LED pulse width for LED float mode in 1 µs steps.
[7:0] 0x20 R/W FLT_LED_OFFSET_A Time to first LED pulse in float mode for Time Slot A.
0x3F [15:14] 0x0 R/W FLT_LED_SELECT_B Time Slot B LED selection for float LED mode.
0: no LED selected.
1: LED1.
2: LED2.
3: LED3.
13 0 R/W Reserved Write 0x0.
[12:8] 0x03 R/W FLT_LED_WIDTH_B Time Slot B LED pulse width for LED float mode in 1 µs steps.
[7:0] 0x20 R/W FLT_LED_OFFSET_B Time to first LED pulse in Float mode for Time Slot A.
0x58 [15:12] 0x0 R/W Reserved Reserved.
[11:10] 0x0 R/W FLT_MATH34_B Time Slot B control for adding and subtracting Sample 3 and
Sample 4 in a 4 pulse sequence (or any multiple of 4 pulses, for
example, Sample 15 and Sample 16 in a 16-pulse sequence).
00: add third and fourth.
01: add third and subtract fourth.
10: subtract third and add fourth.
11: subtract third and fourth.
[9:8] 0x0 R/W FLT_MATH34_A Time Slot A control for adding and subtracting Sample 3 and
Sample 4 in a 4 pulse sequence (or any multiple of 4 pulses, for
example, Sample 15 and Sample 16 in a 16-pulse sequence).
00: add third and fourth.
01: add third and subtract fourth.
10: subtract third and add fourth.
11: subtract third and fourth.
7 0x0 R/W ENA_INT_AS_BUF Set to 1 to enable the configuration of the integrator as a buffer in
TIA ADC mode.
[6:5] 0x0 R/W FLT_MATH12_B Time Slot B control for adding and subtracting Sample 1 and
Sample 2 in a 4 pulse sequence (or any multiple of 4 pulses, for
example, Sample 13 and Sample 14 in a 16-pulse sequence).
00: add first and second.
01: add first and subtract second.
10: subtract first and add second.
11: subtract first and second.
[4:3] 0x0 R/W Reserved Write 0x0.
[2:1] 0x0 R/W FLT_MATH12_A Time Slot A control for adding and subtracting Sample 1 and
Sample 2 in a 4 pulse sequence (or any multiple of 4 pulses, for
example, Sample 13 and Sample 14 in a 16-pulse sequence).
00: add first and second.
01: add first and subtract second.
10: subtract first and add second.
11: subtract first and second.
0 0x0 R/W Reserved Write 0x0.
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