Microchip Technology MA240029 データシート
2010-2011 Microchip Technology Inc.
DS39996F-page 285
PIC24FJ128GA310 FAMILY
REGISTER 22-11: RTCCSWT: POWER CONTROL AND SAMPLE WINDOW TIMER REGISTER
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
PWCSTAB7
PWCSTAB6
PWCSTAB5
PWCSTAB4
PWCSTAB3
PWCSTAB2
PWCSTAB1
PWCSTAB0
bit 15
bit 8
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
PWCSAMP7
PWCSAMP6
PWCSAMP5
(
)
PWCSAMP4
(
)
PWCSAMP3
(
)
PWCSAMP2
)
PWCSAMP1
PWCSAMP0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15-8
PWCSTAB<7:0>:
Power Control Stability Window Timer bits
11111111
=
Stability Window is 255 T
PWCCLK
clock periods
11111110
=
Stability Window is 254 T
PWCCLK
clock periods
...
00000001
00000001
=
Stability Window is 1 T
PWCCLK
clock period
00000000
=
No Stability Window; Sample Window starts when the alarm event triggers
bit 7-0
PWCSAMP<7:0>:
Power Control Sample Window Timer bits
(
)
11111111
=
Sample Window is always enabled, even when PWCEN = 0
11111110
=
Sample Window is 254 T
PWCCLK
clock periods
...
00000001
00000001
=
Sample Window is 1 T
PWCCLK
clock period
00000000
=
No Sample Window
Note
1:
A write to this register is only allowed when RTCWREN = 1.
2:
The Sample Window always starts when the Stability Window timer expires, except when its initial value is 00h.