SAM3U_14 Datasheet, PDF (299/1187 Pages) ATMEL Corporation – From 64 to 256 Kbytes embedded Flash

SAM3U Series
19.5.6 Supply Controller Wake Up Mode Register
Name:
SUPC_WUMR
Address: 0x400E121C
Access: Read-write
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
WKUPDBC
–
FWUPDBC
7
6
5
4
3
2
1
0
–
–
–
–
RTCEN
RTTEN
SMEN
FWUPEN
• FWUPEN: Force Wake Up Enable
0 (NOT_ENABLE) = the Force Wake Up pin has no wake up effect.
1 (ENABLE) = the Force Wake Up pin low forces the wake up of the core power supply.
• SMEN: Supply Monitor Wake Up Enable
0 (NOT_ENABLE) = the supply monitor detection has no wake up effect.
1 (ENABLE) = the supply monitor detection forces the wake up of the core power supply.
• RTTEN: Real Time Timer Wake Up Enable
0 (NOT_ENABLE) = the RTT alarm signal has no wake up effect.
1 (ENABLE) = the RTT alarm signal forces the wake up of the core power supply.
• RTCEN: Real Time Clock Wake Up Enable
0 (NOT_ENABLE) = the RTC alarm signal has no wake up effect.
1 (ENABLE) = the RTC alarm signal forces the wake up of the core power supply.
• FWUPDBC: Force Wake Up Debouncer Period
Value
0
1
2
3
4
5
6
7
Name
IMMEDIATE
3_SCLK
32_SCLK
512_SCLK
4096_SCLK
32768_SCLK
Reserved
Reserved
Description
Immediate, no debouncing, detected active at least on one Slow Clock edge.
FWUP shall be low for at least 3 SLCK periods
FWUP shall be low for at least 32 SLCK periods
FWUP shall be low for at least 512 SLCK periods
FWUP shall be low for at least 4,096 SLCK periods
FWUP shall be low for at least 32,768 SLCK periods
Reserved
Reserved
6430F–ATARM–21-Feb-12
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