參數(shù)資料
型號(hào)： STK17T88-RF45TR
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： PROGRAMMABLE TIMER, PDSO48
封裝： 0.300 INCH, ROHS COMPLIANT, PLASTIC, SSOP-48
文件頁(yè)數(shù)： 16/29頁(yè)
文件大小： 535K
代理商： STK17T88-RF45TR
23
STK17T88
Jan, 2008
Document Control #ML0024 Rev 2.0
0x7FF6
Interrupt
D7
D6
D5
D4
D3
D2
D1
D0
WIE
AIE
PFIE
ABE
H/L
P/L
0
WIE
Watchdog Interrupt Enable. When set to 1 and a watchdog time-out occurs, the
watchdog timer drives the INT pin as well as setting the WDF flag. When set to 0, the
watchdog time-out only sets the WDF flag.
AIE
Alarm Interrupt Enable. When set to 1, the alarm match drives the INT pin as well as
setting the AF flag. When set to 0, the alarm match only sets the AF flag.
PFIE
Power-Fail Enable. When set to 1, a power failure drives the INT pin as well as setting
the PF flag. When set to 0, a power failure only sets the PF flag.
0
Reserved for Future Use
H/L
High/Low. When set to a 1, the INT pin is driven active high. When set to 0, the INT pin
is open drain, active low.
P/L
Pulse/Level. When set to a 1, the INT pin is driven active (determined by H/L) by an
interrupt source for approximately 200 ms. When set to a 0, the INT pin is driven to an
active level (as set by H/L) until the Flags register is read.
0x7FF5
Alarm – Day
D7
D6
D5
D4
D3
D2
D1
D0
M
0
10s Alarm Date
Alarm Date
Contains the alarm value for the date of the month and the mask bit to select or
deselect the date value.
M
Match. Setting this bit to 0 causes the date value to be used in the alarm match. Setting
this bit to 1 causes the match circuit to ignore the date value.
0x7FF4
Alarm – Hours
D7
D6
D5
D4
D3
D2
D1
D0
M
0
10s Alarm Hours
Alarm Hours
Contains the alarm value for the hours and the mask bit to select or deselect the hours
value.
M
Match. Setting this bit to 0 causes the hours value to be used in the alarm match.
Setting this bit to 1 causes the match circuit to ignore the hours value.
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