PCF8583PF5-112 Datasheet, PDF (18/37 Pages) NXP Semiconductors – Clock and calendar with 240 x 8-bit RAM

NXP Semiconductors
PCF8583
Clock and calendar with 240 x 8-bit RAM
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
S SLAVE ADDRESS 0 A REGISTER ADDRESS A S SLAVE ADDRESS 1 A
DATA
A
R/W
R/W
n bytes
auto increment
(1)
memory register address
no acknowledgement
from master
DATA
1P
last byte
auto increment
memory register address
013aaa041
(1) At this moment master transmitter becomes master receiver and PCF8583 slave receiver becomes slave transmitter.
Fig 19. Master reads after setting word address (write word address; READ data)
acknowledgement
from slave
acknowledgement
from master
no acknowledgement
from master
S SLAVE ADDRESS 1 A
DATA
A
DATA
1P
R/W
n bytes
last byte
auto increment
register address
auto increment
register address
013aaa347
Fig 20. Master reads slave immediately after first byte (READ mode)
PCF8583
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 06 — 6 October 2010
© NXP B.V. 2010. All rights reserved.
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