参数资料
型号: M41T83ZM6F
厂商: STMICROELECTRONICS
元件分类: 时钟/数据恢复及定时提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 14/61页
文件大小: 983K
代理商: M41T83ZM6F
M41T82-M41T83
Clock operation
Doc ID 12578 Rev 12
Table 2.
M41T82 clock/control register map (32 bytes)(1)
1.
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
0
FT
DCS
DC4
DC3
DC2
DC1
DC0
Digital calibration
09h
0
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
0Ah
0
ABE
Al1 10M
Alarm1 month
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(2)
2.
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
0
TD1
TD0
Timer control
12h
ACS
AC6
AC5
AC4
AC3
AC2
AC1
AC0
Analog calibration
13h
0
AL2E
0
SQW
14h
0(3)
3.
As indicated in Table 3, the 0 bits should be written to 0. But in the case of these four bits, when AL2E is 0, registers 14-18h
are SRAM locations and these bits become SRAM cells which are thus excluded from that restriction.
Al2 10M
Alarm2 month
SRAM/Al2 month
01-12
15h
RPT24
RPT25
AI2 10 date
Alarm2 month
SRAM/Al2 date
01-31
16h
RPT23
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
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