M41T65 STMICROELECTRONICS [STMicroelectronics], M41T65 Datasheet - Page 16

• Manufacturer Part Number: M41T65
• Description: Serial real-time clocks with alarm
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Operation
2.3
Figure 19. WRITE mode sequence
16/41
BUS ACTIVITY:
MASTER
SDA LINE
BUS ACTIVITY:
WRITE mode
In this mode the master transmitter transmits to the M41T6x slave receiver. Bus protocol is
shown in
(R/W=0) is 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 M41T6x slave receiver will
send an acknowledge clock to the master transmitter after it has received the slave address
see
byte.
Figure 16 on page 14
S
Figure 19 on page
ADDRESS
SLAVE
ADDRESS (An)
WORD
and again after it has received the word address and each data
16. Following the START condition and slave address, a logic '0'
Doc ID 10397 Rev 14
DATA n
DATA n+1
DATA n+X
M41T62/63/64/65
P
AI00591