WM8351 datasheet(148/330 Pages) WOLFSON

tên linh kiện	WM8351

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WM8351

Production Data

PD, April 2012, Rev 4.5

148

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R173 (ADh)

CSA Flash

Control

CS1_FLASH_M

ODE

Determines the function of the current

sink

0 = LED mode

1 = Flash mode

CS1_TRIGSRC

Selects the trigger in Flash mode.

0 = Flash triggered by CS1_DRIVE bit

1 = Flash triggered from GPIO pin

configured as FLASH

This bit has no effect when

CS1_FLASH_MODE=0

CS1_DRIVE

Enables the current sink ISINKA

LED mode-

0 = disable LED

1 = enabled LED

FLASH mode-

CS1_TRIGSRC is set to 0. Flash is

started when the bit goes high, it is then

reset at the end of the flash duration.

Duration is determined by

CS1_FLASH_DUR. This bit has no effect

if CS1_TRIGSRC is set to 1.

CS1_FLASH_R

ATE

Determines the Flash rate

0 = Normal Operation. Once per trigger

(Either register bit or GPIO)

1 = Flash will be internally triggered

every 4 second

9:8

CS1_FLASH_D

UR [1:0]

Sets duration of flash

00 = 32ms

01 = 64ms

10 = 96ms

11 = 1024ms

Table 98 Configuring Flash Mode for ISINKA

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