TCS37209 datasheet(50/88 Pages) OSRAM

50 / 88 page

Datasheet, Public

Page 49

[v5-00] 2023-Nov-27

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TCS3720 − Register Overview

PWM_PRD_H Register (Address 0xB6)

Figure 68:

PWM_PRD_H Register

PWM_PRD register stores the last PWM period. This is 14-bit

divided into 2 registers {PWM_PRD_H, PWM_PRD_L} with

resolution of 1.357μs/bit.

PWM_HIP_L (Address 0xB7)

Figure 69:

PWM_HIP_L

PWM_HIP_H (Address 0xB8)

Figure 70:

PWM_HIP_H

PWM_HIP register stores the last PWM high period. This is 14-bit

divided into 2 registers {PWM_HIP_H, PWM_HIP_L} with

resolution of 1.357μs/bit. It is recommended that PWM signal

is in the frequency range of 45Hz to 10KHz with minimum active

pulse length 16μs.

Addr: 0xB6

PWM_PRD_H

Bit

Bit Name

Default

Access

Bit Description

7:6

Reserved

Reserved. Must be set to default value.

5:0

PWM_PRD_H

000000

The upper 6 bits of the 14-bit PWM period data.

Addr: 0xB7

PWM_HIP_L

Bit

Bit Name

Default

Access

Bit Description

7:0

PWM_HIP_L

0x00

The low byte of the 14-bit PWM signal high period data.

Addr: 0xB8

PWM_HIP_H

Bit

Bit Name

Default

Access

Bit Description

7:6

Reserved

Reserved. Must be set to default value.

5:0

PWM_HIP_H

000000

The upper 6 bits of the 14-bit PWM signal high period data.

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