L9912 datasheet(74/84 Pages) STMICROELECTRONICS

Part #	L9912

Description	Automotive vehicle conform car alternator regulator IC

PDF	84 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

74 / 84 page

SPI interface

L9912

74/84

DocID029639 Rev 2

13.4.15

WATCHDOG CONFIG register [0x06]

Writing to this LOCKED register it is possible to configure the watchdog window parameters

(see the relevant chapter for more details):



Resolution



Start point



Duration

Table 58. WATCHDOG CONFIG register [0x06]

Bit

Reset value

Description

13-12 WDG_Timer_Resolution

00: 512 µs

01: 1024 µs

10: 2048 µs

11: 2048 µs (def value)

11-6

WDG_Valid_Window_Start

0x20

According to the resolution (512/1024/2048

µs) this parameter defines the watchdog

Window start point: 0-32.256/0-64.512/0-

129.024 µs

The default value is 32 that, with the 2048 µs

default resolution gives a 65.536 ms def

value

5-0

WDG_Window_Duration

0x20

According to the resolution (512/1024/2048

µs) this parameter defines the watchdog

Window duration: 0-32.256/0-64.512/0-

129.024 µs

The default value is 32 that, with the 2048 µs

default resolution gives a 65.536 ms def

value

L9912 Datasheet(PDF) 74 Page - STMicroelectronics

L9912 Datasheet(HTML) 74 Page - STMicroelectronics

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

Datasheet Download

Link URL