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零件编号
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M41T93RQA6F 查看數據表(PDF) - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
M41T93RQA6F
Serial SPI bus RTC with battery switchover
STMicroelectronics
M41T93RQA6F Datasheet PDF : 51 Pages
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M41T93
Figure 4. Block diagram
CRYSTAL
E
SDI
SCL
SDO
XI
32kHz
OSCILLATOR
XO
SPI
INTERFACE
WRITE
PROTECT
VCC < VRST
VCC
VBAT
VRST/VSO(2)
COMPARE
1. Open drain output
2. V
RST
= V
SO
= 2.93V (S), 2.63V (R), and 2.32V (Z).
REAL TIME CLOCK
CALENDAR
OSCILLATOR FAIL
CIRCUIT
ALARM1
ALARM2
OFIE
A1IE
WATCHDOG
FT
FREQUENCY TEST
OUTPUT DRIVER
8-BIT COUNTER
SQUARE WAVE
OUT
TIE
SQWE
8 BITS OF OTP
USER SRAM (7 Bytes)
INTERNAL
POWER
trec
TIMER
Description
IRQ/FT/OUT(1)
SQW
RST(1)
AI11821
9/51
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