參數(shù)資料
型號(hào)： M41T93SQA6F
廠商： STMICROELECTRONICS
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 1 TIMER(S), REAL TIME CLOCK, PQCC16
封裝： 4 X 4 MM, ROHS COMPLIANT, QFN-16
文件頁(yè)數(shù)： 10/49頁(yè)
文件大?。?/td> 719K
代理商： M41T93SQA6F
Clock operation
M41T93
Doc ID 12615 Rev 5
Table 3.
Clock/control register map (32 bytes)
Addr
Function/range BCD format
D7
D6
D5
D4
D3
D2
D1
D0
00h
0.1 seconds
0.01 seconds
Seconds
00-99
01h
ST
10 seconds
Seconds
00-59
02h
0
10 minutes
Minutes
00-59
03h
CB1
CB0
10 hours
Hours (24-hour format)
Century/hours
0-3/00-23
04h
0
Day of week
Day
01-7
05h
0
10 date
Date: day of month
Date
01-31
06h
0
10M
Month
01-12
07h
10 Years
Year
00-99
08h
OUT
FT
DCS
DC4
DC3
DC2
DC1
DC0
Digital calibration
09h
OFIE
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
0Ah
A1IE
SQWE
ABE
Al1 10M
Alarm1month
Al1 month
01-12
0Bh
RPT14
RPT15
AI1 10 date
Alarm1 date
Al1 date
01-31
0Ch
RPT13
HT
AI1 10 hour
Alarm1 hour
Al1 hour
00-23
0Dh
RPT12
Alarm1 10 minutes
Alarm1 minutes
Al1 min
00-59
0Eh
RPT11
Alarm1 10 seconds
Alarm1 seconds
Al1 sec
00-59
0Fh
WDF
AF1
AF2(1)
1.
AF2 will always read ‘0’ if the AL2E bit is set to ‘0’.
BL
TF
OF
0
Flags
10h
Timer countdown value
Timer value
11h
TE
TI/TP
TIE
0
TD1
TD0
Timer control
12h
ACS
AC6
AC5
AC4
AC3
AC2
AC1
AC0
Analog
calibration
13h
RS3
RS2
RS1
RS0
0
AL2E
OTP
SQW
14h
0
Al2 10M
Alarm2 month
SRAM/Al2 month
01-12
15h
RPT24
RPT25
AI2 10 date
Alarm2 month
SRAM/Al2 date
01-31
16h
RPT23
0
AI2 10 hour
Alarm2 date
SRAM/Al2 hour
00-23
17h
RPT22
Alarm2 10 minutes
Alarm2 minutes
SRAM/Al2 min
00-59
18h
RPT21
Alarm2 10 seconds
Alarm2 seconds
SRAM/Al2 sec
00-59
19h-
1Fh
User SRAM (7 bytes)
SRAM
0 = Must be set to zero
OFIE = Oscillator fail interrupt enable
ABE = Alarm in battery backup enable bit
OTP = OTP control bit
A1IE = Alarm1 interrupt enable bit
RB0-RB2 = Watchdog resolution bits
AC0-AC6 = analog calibration bits
RPT11-RPT15 = Alarm 1 repeat mode bits
ACS = analog calibration sign bit
RPT21-RPT25 = Alarm 2 repeat mode bits
AF1, AF2 = Alarm flag
RS0-RS3 = SQW frequency
AL2E = Alarm 2 enable bit
SQWE = Square wave enable
BL = Battery low bit
SRAM/ALM2 = SRAM/Alarm 2 bit
BMB0-BMB4 = Watchdog multiplier bits
ST = Stop bit
CB0, CB1 = Century bits
TD0, TD1 = Timer frequency bits
DC0-DC4 = Digital calibration bits
TE = Timer enable bit
DCS = Digital calibration sign bit
TF = Timer flag
FT = Frequency test bit
TI/TP = Timer interrupt or pulse
HT = Halt update bit
TIE = Timer interrupt enable
OF = Oscillator fail bit
WDF = Watchdog flag
OUT= Output level
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