PCF2127AT/1 NXP [NXP Semiconductors], PCF2127AT/1 Datasheet - Page 60
![no-image](/images/no-image-200.jpg)
PCF2127AT/1
Manufacturer Part Number
PCF2127AT/1
Description
Integrated RTC, TCXO and quartz crystal
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF2127AT1.pdf
(80 pages)
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NXP Semiconductors
PCF2127A_2
Product data sheet
Fig 44. Bus protocol, writing to RAM
P/S
S
1
1
0
0
data byte (RAM address)
All information provided in this document is subject to legal disclaimers.
1
1
slave address
data byte 1Ah
slave address
data bytes
0
0
0 to n
0
0
Rev. 02 — 7 May 2010
0
0
1
1
write bit
write bit
from PCF2127A
from PCF2127A
from PCF2127A
from PCF2127A
acknowledge
acknowledge
acknowledge
acknowledge
0
0
A
A
A
A
P
Integrated RTC, TCXO and quartz crystal
register address 1Ah
register address 1Ch
data byte 1Bh
from PCF2127A
from PCF2127A
from PCF2127A
acknowledge
acknowledge
acknowledge
PCF2127A
A
A
A
© NXP B.V. 2010. All rights reserved.
set RAM
address
RAM write
command
write data
to RAM
001aaj720
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