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Número de pieza
componentes Descripción
M41T94MQ6F(2007) Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Lista de partido
M41T94MQ6F
(Rev.:2007)
Serial real-time clock with 44 bytes NVRAM and reset
STMicroelectronics
M41T94MQ6F Datasheet PDF : 41 Pages
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M41T94
Figure 4. Block diagram
E
SDO
SDI
SCL
SPI
INTERFACE
Crystal
WDI
VCC
32KHz
OSCILLATOR
REAL TIME CLOCK
CALENDAR
44 BYTES
USER RAM
RTC w/ALARM
AF
& CALIBRATION
WATCHDOG
WDF
SQUARE WAVE
Description
IRQ/FT/OUT
(1)
SQW
VBAT
BL
VBL= 2.5V
COMPARE
VSO = 2.5V
COMPARE
RSTIN1
RSTIN2
VPFD = 4.4V COMPARE
(2.65V if THS = VSS)
POR
1. Open drain output
Figure 5. Hardware hookup
RST(1)
AI04785
SPI Interface with
D
(CPOL, CPHA)(1) = Q
('0','0') or ('1','1')
C
Master
(ST6, ST7, ST9,
ST10, Others)
CS3 CS2 CS1
CQD
M41T94
E
CQD
XXXXX
E
CQD
XXXXX
E
AI03686
1. CPOL (clock polarity) and CPHA (clock phase) are bits that may be set in the SPI control register of the MCU.
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