WM8311 datasheet(183/302 Pages) WOLFSON

183 / 302 page

Pre-Production

WM8311

PP, May 2012, Rev 3.1

183

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

2:0

USB_ILIM [2:0]

010

Sets the USB current limit

000 = 0mA (USB switch is open)

001 = 2.5mA

010 = 100mA

011 = 500mA

100 = 900mA

101 = 1500mA

110 = 1800mA

111 = 550mA

Note that, when starting up the WM8311 with the

USBVDD supply selected, the USB_ILIM register must

be set to 100mA or higher.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

R16388

(4004h)

Watchdog

WDOG_ENA

Watchdog Timer Enable

0 = Disabled

1 = Enabled (enables the watchdog; does not reset it)

Protected by security key.

WDOG_DEBU

Watchdog Pause

0 = Disabled

1 = Enabled (halts the Watchdog timer for system

debugging)

Protected by security key.

WDOG_RST_S

Watchdog Reset Source

0 = Hardware only

1 = Software only

Protected by security key.

WDOG_SLPE

Watchdog SLEEP Enable

0 = Disabled

1 = Controlled by WDOG_ENA

Protected by security key.

WDOG_RESE

Watchdog Software Reset

0 = Normal

1 = Watchdog Reset (resets the watchdog, if

WDOG_RST_SRC = 1)

9:8

WDOG_SECA

CT [1:0]

Secondary action of Watchdog timeout (taken after 2

timeout periods)

00 = No action

01 = Interrupt

10 = Device Reset

11 = WAKE transition

Protected by security key.

5:4

WDOG_PRIMA

CT [1:0]

Primary action of Watchdog timeout

00 = No action

01 = Interrupt

10 = Device Reset

11 = WAKE transition

Protected by security key.

WM8311 Datasheet(PDF) 183 Page - Wolfson Microelectronics plc

WM8311 Datasheet(HTML) 183 Page - Wolfson Microelectronics plc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL