參數(shù)資料
型號(hào): STK17T88-RF45
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): 14/29頁(yè)
文件大小: 535K
代理商: STK17T88-RF45
21
STK17T88
Jan, 2008
Document Control #ML0024 Rev 2.0
Register Map Detail
0x7FFF
Real Time Clock – Years
D7
D6
D5
D4
D3
D2
D1
D0
10s Years
Years
Contains the lower two BCD digits of the year. Lower nibble contains the value for
years; upper nibble contains the value for 10s of years. Each nibble operates from 0
to 9. The range for the register is 0-99.
0x7FFE
Real Time Clock – Months
D7
D6
D5
D4
D3
D2
D1
D0
000
10s
Month
Months
Contains the BCD digits of the month. Lower nibble contains the lower digit and oper-
ates from 0 to 9; upper nibble (one bit) contains the upper digit and operates from 0 to
1. The range for the register is 1-12.
0x7FFD
Real Time Clock – Date
D7
D6
D5
D4
D3
D2
D1
D0
0
10s Day of month
Day of month
Contains the BCD digits for the date of the month. Lower nibble contains the lower digit
and operates from 0 to 9; upper nibble contains the upper digit and operates from 0 to 3.
The range for the register is 1-31. Leap years are automatically adjusted for.
0x7FFC
Real Time Clock – Day
D7
D6
D5
D4
D3
D2
D1
D0
00000
Day of week
Lower nibble contains a value that correlates to day of the week. Day of the week is a
ring counter that counts from 1 to 7 then returns to 1. The user must assign meaning
to the day value, as the day is not integrated with the date.
0x7FFB
Real Time Clock – Hours
D7
D6
D5
D4
D3
D2
D1
D0
0
10s Hours
Hours
Contains the BCD value of hours in 24 hour format. Lower nibble contains the lower
digit and operates from 0 to 9; upper nibble (two bits) contains the upper digit and
operates from 0 to 2. The range for the register is 0-23.
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