Datasheet

25
LDC1612 , LDC1614
www.ti.com SNOSCY9A –DECEMBER 2014–REVISED MARCH 2018
Product Folder Links: LDC1612 LDC1614
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7.6.23 Address 0x15, CLOCK_DIVIDERS1
Figure 36. Address 0x15, CLOCK_DIVIDERS1
15 14 13 12 11 10 9 8
FIN_DIVIDER1 RESERVED FREF_DIVIDER1
7 6 5 4 3 2 1 0
FREF_DIVIDER1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 22. Address 0x15, CLOCK_DIVIDERS1 Field Descriptions
Bit Field Type Reset Description
15:12 FIN_DIVIDER1 R/W
0000 Channel 1 Input Divider
Sets the divider for Channel 1 input. Used when the Sensor
frequency is greater than the maximum F
IN
.
b0000: Reserved. Do not use.
FIN_DIVIDER1 ≥ b0001:
ƒ
in1
= ƒ
SENSOR1
÷FIN_DIVIDER1
11:10 RESERVED R/W 00 Reserved. Set to b00.
9:0 FREF_DIVIDER1 R/W
0x000 Channel 1 Reference Divider
Sets the divider for Channel 1 reference. Use this to scale the
maximum conversion frequency.
0x000: Reserved. Do not use.
FREF_DIVIDER1 ≥ 0x001:
ƒ
REF1
= ƒ
CLK
÷FREF_DIVIDER1
7.6.24 Address 0x16, CLOCK_DIVIDERS2 (LDC1614 only)
Figure 37. Address 0x16, CLOCK_DIVIDERS2
15 14 13 12 11 10 9 8
FIN_DIVIDER2 RESERVED FREF_DIVIDER2
7 6 5 4 3 2 1 0
FREF_DIVIDER2
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 23. Address 0x16, CLOCK_DIVIDERS2 Field Descriptions
Bit Field Type Reset Description
15:12 FIN_DIVIDER2 R/W 0000 Channel 2 Input Divider
Sets the divider for Channel 2 input. Must be set to ≥2 if the
Sensor frequency is ≥ 8.75MHz.
b0000: Reserved. Do not use.
FIN_DIVIDER2 ≥ b0001:
ƒ
IN2
= ƒ
SENSOR2
÷FIN_DIVIDER2
11:10 RESERVED R/W 00 Reserved. Set to b00.
9:0 FREF_DIVIDER2 R/W 0x000 Channel 2 Reference Divider
Sets the divider for Channel 2 reference. Use this to scale the
maximum conversion frequency.
0x000: Reserved. Do not use.
FREF_DIVIDER2 ≥ 0x001:
ƒ
REF2
= ƒ
CLK
÷FREF_DIVIDER2