DS1307 データシートの表示（PDF） - Maxim Integrated
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DS1307 Datasheet PDF : 15 Pages
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TIMING DIAGRAM
DS1307 64 x 8, Serial, I2C Real-Time Clock
SDA
tBUF
SCL
STOP START
t LOW
tHD:STA
tR
tF
tHD:STA
tHD:DAT
tHIGH
SU:DAT
tSU:STA
REPEATED
START
tSU:STO
Figure 1. Block Diagram
X1
X2
V CC
GND
V BAT
SCL
SDA
CL
CL
POWER
CONTROL
SERIAL BUS
INTERFACE
AND ADDRESS
REGISTER
1Hz/4.096kHz/8.192kHz/32.768kHz
1Hz
Oscillator
and divider
CONTROL
LOGIC
Dallas
Semiconductor
DS1307
MUX/
BUFFER
RAM
(56 X 8)
CLOCK,
CALENDAR,
AND CONTROL
REGISTERS
USER BUFFER
(7 BYTES)
SQW/OUT
4 of 15
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