WM8311GEB/V Wolfson Microelectronics, WM8311GEB/V Datasheet - Page 166

• Manufacturer Part Number: WM8311GEB/V
• Description: POWER MANAGEMENT SUBSYSTEM, 121BGA
• Manufacturer: Wolfson Microelectronics

Specifications of WM8311GEB/V

• Supply Voltage: 5.5V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 7
• Digital Ic Case Style: BGA
• No. Of Pins: 121
• No. Of Regulated Outputs: 9
• Operating Temperature Range: -40°C To
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

WM8311
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Table 110 Controlling the Watchdog Timer
The Watchdog timeout interrupt event is indicated by the WDOG_TO_EINT register field. This
secondary interrupt triggers a primary Watchdog Interrupt, WDOG_INT (see Section 23). This can be
masked by setting the mask bit as described in Table 111.
R16401
(4011h)
Interrupt Status
1
R16409
(4019h)
Interrupt Status
1 Mask
Table 111 Watchdog Timer Interrupts
ADDRESS
ADDRESS
BIT
5:4
2:0
BIT
11
11
CT
WDOG_PRIMA
CT
WDOG_TO
[2:0]
LABEL
WDOG_TO_EINT
IM_WDOG_TO_EINT
LABEL
DEFAULT
111
01
(taken after 2 timeout periods)
00 = No action
01 = Interrupt
10 = Device Reset
11 = WAKE transition
Protected by user key
Primary action of Watchdog timeout
00 = No action
01 = Interrupt
10 = Device Reset
11 = WAKE transition
Protected by user key
Watchdog timeout period
000 = 0.256s
001 = 0.512s
010 = 1.024s
011 = 2.048s
100 = 4.096s
101 = 8.192s
110 = 16.384s
111 = 32.768s
Protected by user key
Watchdog timeout interrupt.
(Rising Edge triggered)
Note: Cleared when a ‘1’ is written.
Interrupt mask.
0 = Do not mask interrupt.
1 = Mask interrupt.
Default value is 1 (masked)
DESCRIPTION
PP, December 2009, Rev 3.0
DESCRIPTION
Pre-Production
166