M41T62_06 STMICROELECTRONICS [STMicroelectronics], M41T62_06 Datasheet - Page 16

• Manufacturer Part Number: M41T62_06
• Description: Serial Access Real-Time Clock with Alarms
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Operation
2.3
In this mode the master transmitter transmits to the M41T6x slave receiver. Bus protocol is shown in
Figure 19 on page
the bus and indicates to the addressed device that word address “An” will follow and is to be written to the
on-chip address pointer. The data word to be written to the memory is strobed in next and the internal
address pointer is incremented to the next address location on the reception of an acknowledge clock.
The M41T6x slave receiver will send an acknowledge clock to the master transmitter after it has received
the slave address see
data byte.
Figure 19. WRITE mode sequence
16/40
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
WRITE mode
16. Following the START condition and slave address, a logic '0' (R/W=0) is placed on
S
Figure 16 on page 15
ADDRESS
SLAVE
ADDRESS (An)
WORD
and again after it has received the word address and each
DATA n
DATA n+1
DATA n+X
M41T62/63/64/65
AI00591
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