m41t62 STMicroelectronics, m41t62 Datasheet - Page 9

• Manufacturer Part Number: m41t62
• Description: Serial Access Real-time Clock With Alarms
• Manufacturer: STMicroelectronics

M41T62/63/64/65
Table 2.
Figure 9.
1. Open drain.
2. Defaults to 32KHz on power-up.
Figure 10. M41T63 block diagram
1. Open drain.
2. Defaults to 32KHz on power-up.
XTAL
SDA
SCL
XTAL
SDA
SCL
IRQ/FT/OUT
IRQ/OUT
WDO
SQW
SDA
F
SCL
V
V
Signal names
XO
M41T62 block diagram
XI
32K
CC
SS
OSCILLATOR
INTERFACE
OSCILLATOR
INTERFACE
32KHz
Oscillator input
Oscillator output
Serial data input/output
Serial clock input
Interrupt or OUT output (open drain)
Interrupt, frequency test, or OUT output (open drain)
Programmable square wave - defaults to 32KHz on power-up (open drain for
M41T64 only)
Dedicated 32KHz output (M41T64 only)
Watchdog timer output (open drain)
Supply voltage
Ground
I 2 C
32KHz
I 2 C
REAL TIME CLOCK
OSCILLATOR FAIL
SQUARE WAVE
RTC W/ALARM
OSCILLATOR FAIL
REAL TIME CLOCK
WATCHDOG
SQUARE WAVE
CALENDAR
RTC W/ALARM
DETECT
WATCHDOG
CALENDAR
DETECT
OFIE
SQWE
AFE
SQWE
IRQ/OUT
SQW
Summary description
WDO
SQW
(2)
(2)
(1)
(1)
AI08899a
AI09191
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