M41T00 Просмотр технического описания (PDF) - STMicroelectronics

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M41T00

Serial real-time clock

STMicroelectronics 

M41T00

Figure 4. Serial bus data transfer sequence

CLOCK

DATA LINE

STABLE

DATA VALID

Device operation

DATA

START

CONDITION

CHANGE OF

DATA ALLOWED

Figure 5. Acknowledge sequences

START

SCLK FROM

MASTER

1

2

DATA OUTPUT

BY TRANSMITTER

MSB

DATA OUTPUT

BY RECEIVER

STOP

CONDITION

AI00587

CLOCK PULSE FOR

ACKNOWLEDGEMENT

8

9

LSB

AI00601

Figure 6. Bus timing requirements sequence

SDA

tBUF

SCL

P

tHD:STA

tR

tF

tHIGH

S

tLOW

tSU:DAT

tHD:DAT

tHD:STA

tSU:STA

SR

tSU:STO

P

1. P = STOP and S = START

AI00589

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