Datasheet

AFE4490

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SBAS602F –DECEMBER 2012–REVISED OCTOBER 2013

ALED2STC: Sample Ambient LED2 Start Count Register (Address = 05h, Reset Value = 0000h)

D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12

0 0 0 0 0 0 0 0 ALED2STC[15:0]

D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

ALED2STC[15:0]

This register sets the start timing value for the ambient LED2 signal sample.

Bits D[23:16] Must be '0'

Bits D[15:0] ALED2STC[15:0]: Sample ambient LED2 start count

The contents of this register can be used to position the start of the sample ambient LED2

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.

ALED2ENDC: Sample Ambient LED2 End Count Register (Address = 06h, Reset Value = 0000h)

D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12

0 0 0 0 0 0 0 0 ALED2ENDC[15:0]

D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

ALED2ENDC[15:0]

This register sets the end timing value for the ambient LED2 signal sample.

Bits D[23:16] Must be '0'

Bits D[15:0] ALED2ENDC[15:0]: Sample ambient LED2 end count

The contents of this register can be used to position the end of the sample ambient LED2

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.

LED1STC: Sample LED1 Start Count Register (Address = 07h, Reset Value = 0000h)

D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12

0 0 0 0 0 0 0 0 LED1STC[15:0]

D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

LED1STC[15:0]

This register sets the start timing value for the LED1 signal sample.

Bits D[23:17] Must be '0'

Bits D[16:0] LED1STC[15:0]: Sample LED1 start count

The contents of this register can be used to position the start 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.

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