參數(shù)資料
型號(hào): M41T00
廠商: 意法半導(dǎo)體
英文描述: Serial Access TIMEKEEPER
中文描述: 串行訪問(wèn)計(jì)時(shí)
文件頁(yè)數(shù): 3/15頁(yè)
文件大小: 99K
代理商: M41T00
3/15
M41T00
Table 3. Register Map
Note: 1. When CEB is set to ’1’, CB will toggle from ’0’ to ’1’ or from ’1’ to ’0’ at the turn of the century (dependent upon the initial value set).
When CEB is set to ’0’, CB will not toggle.
Address
Data
Function/Range
BCD Format
D7
D6
D5
D4
D3
D2
D1
D0
0
ST
10 Seconds
Seconds
Seconds
00-59
1
X
10 Minutes
Minutes
Minutes
00-59
2
CEB
(1)
CB
10 Hours
Hours
Century/Hour
0-1/00-23
3
X
X
X
X
X
Day
Day
01-07
4
X
X
10 Date
Date
Date
01-31
5
X
X
X
10 M.
Month
Month
01-12
6
10 Years
Years
Year
00-99
7
OUT
FT
S
Calibration
Control
Figure 3. Block Diagram
AI00603
SECONDS
OSCILLATOR
32.768 kHz
VOLTAGE
SENSE and
SWITCH
CIRCUITRY
SERIAL
BUS
INTERFACE
DIVIDER
CONTROL
LOGIC
ADDRESS
REGISTER
MINUTES
CENTURY/HOURS
DAY
DATE
MONTH
YEAR
CONTROL
OSCI
OSCO
FT/OUT
VCC
VSS
VBAT
SCL
SDA
1 Hz
Keys:
S = SIGN Bit
FT = FREQUENCY TEST Bit
ST = STOP Bit
OUT = Output level
X = Don’t care
CEB = Century Enable Bit
CB = Century Bit
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