M41T60_05 STMICROELECTRONICS [STMicroelectronics], M41T60_05 Datasheet - Page 12

• Manufacturer Part Number: M41T60_05
• Description: Serial access real-time clock
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Clock operation
12/24
Table 2. Register map
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Figure 11. Crystal accuracy across temperature
Address
0
1
2
3
4
5
6
7
0 = Must be set to '0.'
CB0, CB1 = Century Bits
FT = Frequency Test Bits
OFIE = Oscillator Fail Interrupt Enable Bit
OUT = Output level
S = Sign Bit
ST = STOP Bit
Frequency (ppm)
–100
–120
–140
–160
–20
–40
–60
–80
20
OFIE
0
OUT
CB1
D7
ST
0
0
0
–40
–30
CB0
D6
FT
10 Years
0
0
0
–20
10 Seconds
10 Minutes
D5
S
0
0
–10
10 Hours
10 Date
10 M.
Data
0
D4
0
10
Temperature °C
∆F = K x (T – T
F
K
D3
Calibration
0
= –0.036 ppm/°C
20
D2
Seconds
Minutes
T
30
Month
Hours
O
Years
Date
= 25°C ± 5°C
O
)
2
Day
40
D1
2
± 0.006 ppm/°C
50
D0
60
Century/Month 0-3/01-12
2
Calibration
Seconds
Minutes
Hours
Function/Range
70
Date
Year
Day
BCD Format
80
AI07888
M41T60
00-59
00-59
00-23
01-07
01-31
00-99