TMD2621 datasheet(42/59 Pages) OSRAM

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Datasheet, Public

Page 41

[v4-00] 2023-Apr-12

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TMD2621 − Register Overview

PWTIME Register (Address 0xEC)

Figure 58:

PWTIME Register

The PWTIME is implemented using a down counter and starts

counting from very beginning of every proximity measurement

cycle including the initialization time. If enabled, PWTIME needs

to be programmed greater than proximity measurement time,

otherwise it's ignored.

PWTIME =Wait Cycles x2.779ms.

If PWLONG is enabled, then PWTIME =Wait Cycles x2.779ms x12.

Note that PWTIME is ignored if MODE_CFG (CFG3 (0xAB),

bit[6:5])=00b.

PDATA_L Register (Address 0xF4)

Figure 59:

PDATA_L Register

Addr: 0xEC

PWTIME

Bit

Bit Name

Default

Access

Bit Description

7:0

PWTIME

0x00

Value that specifies the proximity wait time in 2.779ms

increments.

Value

Wait Cycles

Wait Time

0x00

2.779ms (33.346ms)

0x01

5.558ms (66.692ms)

0x02

8.336ms (100.038ms)

……

…

0x1F

88.923ms (1.067s)

……

…

0xFF

256

711.381ms (8.537s)

Addr: 0xF4

PDATA_L

Bit

Bit Name

Default

Access

Bit Description

7:0

PDATA_L

0x00

If APC is enabled, this register contains the low byte of

the 14-bit proximity data.

If APC is disabled, this register contains the upper 8

most significant bits of the 10-bit proximity data.

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