m41t66 STMicroelectronics, m41t66 Datasheet - Page 12

• Manufacturer Part Number: m41t66
• Description: Real-time Clocks
• Manufacturer: STMicroelectronics

Operation
2.3
Figure 10. WRITE mode sequence
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WRITE mode
In this mode the master transmitter transmits to the M41T66 slave receiver. Bus protocol is
shown in
placed on 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 M41T66 slave receiver will
send an acknowledge clock to the master transmitter after it has received the slave address
see
byte.
Figure 7 on page 11
Figure
10. Following the START condition and slave address, a logic '0' (R/W=0) is
and again after it has received the word address and each data
M41T66