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M41T94 Scheda tecnica(PDF) 9 Page - STMicroelectronics

Il numero della parte M41T94
Spiegazioni elettronici  Serial Real Time Clock with 44Bytes NVRAM and Reset
PDF  40 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T94 Scheda tecnica(HTML) 9 Page - STMicroelectronics

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M41T94
Summary description
9/40
Figure 4.
Block diagram
1.
Open drain output
Figure 5.
Hardware hookup
1.
CPOL (clock polarity) and CPHA (clock phase) are bits that may be set in the SPI Control register of the MCU.
AI04785
COMPARE
VPFD = 4.4V
VCC
COMPARE
VSO = 2.5V
VBL= 2.5V
BL
COMPARE
Crystal
SPI
INTERFACE
REAL TIME CLOCK
CALENDAR
44 BYTES
USER RAM
RTC w/ALARM
& CALIBRATION
WATCHDOG
SQUARE WAVE
SDO
E
SDI
SCL
RSTIN1
POR
SQW
RST
(1)
WDI
WDF
AF
IRQ/FT/OUT
(1)
VBAT
32KHz
OSCILLATOR
RSTIN2
(2.65V if THS = V
SS
)
AI03686
Master
(ST6, ST7, ST9,
ST10, Others)
SPI Interface with
(CPOL, CPHA)(1) =
('0','0') or ('1','1')
D
Q
C
CS3
CS2
CS1
M41T94
E
XXXXX
CQD
XXXXX
CQD
E
E
CQD



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