m41t64 STMicroelectronics, m41t64 Datasheet - Page 7

• Manufacturer Part Number: m41t64
• Description: Serial Access Real-time Clock With Alarms
• Manufacturer: STMicroelectronics

Figure 14. M41T65 Block Diagram
Note: 1. Open Drain.
Figure 15. Hardware Hookup for Battery Back-up Operation
Note: 1. Diode required on open drain pin (M41T65 only) for battery (or SuperCap) back-up. Low threshold BAT42 diode recommended.
XTAL
SDA
SCL
2. For M41T62 and M41T65 (Open Drain).
3. For M41T63 and M41T65 (Open Drain).
4. For M41T64 (Open Drain).
V CC
OSCILLATOR
INTERFACE
32KHz
I 2 C
XI
XO
V CC
V SS
IRQ/FT/OUT
M41T6x
WDO
SQW
F 32K
SDA
SCL
(2)
(4)
(3)
REAL TIME CLOCK
OSCILLATOR FAIL
RTC W/ALARM
WATCHDOG
CALENDAR
DETECT
(1)
OFIE
FT
AFE
V CC
Port
Reset Input
SQWIN
Serial Clock Line
Serial Data Line
32KHz CLKIN
MCU
IRQ/FT/OUT
WDO
AI10400
M41T62/63/64/65
(1)
(1)
AI09193
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