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AFE4490 Datasheet(PDF) 46 Page - Texas Instruments

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Part # AFE4490
Description  Integrated Analog Front-End for Pulse Oximeters
PDF  70 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE4490 Datasheet(HTML) 46 Page - Texas Instruments

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AFE4490
SBAS602B – DECEMBER 2012 – REVISED FEBRUARY 2013
www.ti.com
LED1ENDC: Sample LED1 End Count (Address = 08h, Reset Value = 0000h)
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
0
0
0
0
0
0
0
0
LED1ENDC[15:0]
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
LED1ENDC[15:0]
This register sets the end timing value for the LED1 signal sample.
Bits D[23:17]
Must be '0'
Bits D[16:0]
LED1ENDC[15:0]: Sample LED1 end count
The contents of this register can be used to position the end of the sample LED1 signal with
respect to the PRP, as specified in the PRPCOUNT register. The count is specified as the
number of 4-MHz clock cycles. Refer to the Using the Timer Module section for details.
0 = 0000h
1 = PRP value
LED1LEDSTC: LED1 LED Start Count Register (Address = 09h, Reset Value = 0000h)
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
0
0
0
0
0
0
0
0
LED1LEDSTC[15:0]
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
LED1LEDSTC[15:0]
This register sets the start timing value for when the LED1 signal turns on.
Bits D[23:16]
Must be '0'
Bits D[15:0]
LED1LEDSTC[15:0]: LED1 start count
The contents of this register can be used to position the start of the LED1 signal with respect
to the PRP, as specified in the PRPCOUNT register. The count is specified as the number
of 4-MHz clock cycles. Refer to the Using the Timer Module section for details.
0 = 0000h
1 = PRP value
LED1LEDENDC: LED1 LED End Count Register (Address = 0Ah, Reset Value = 0000h)
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
0
0
0
0
0
0
0
0
LED1LEDENDC[15:0]
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
LED1LEDENDC[15:0]
This register sets the end timing value for when the LED1 signal turns off.
Bits D[23:16]
Must be '0'
Bits D[15:0]
LED1LEDENDC[15:0]: LED1 end count
The contents of this register can be used to position the end of the LED1 signal with respect
to the PRP, as specified in the PRPCOUNT register. The count is specified as the number
of 4-MHz clock cycles. Refer to the Using the Timer Module section for details.
0 = 0000h
1 = PRP value
46
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Product Folder Links: AFE4490



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