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PCF2127AT/1 bảng dữ liệu(PDF) 61 Page - NXP Semiconductors

tên linh kiện PCF2127AT/1
Giải thích chi tiết về linh kiện  Integrated RTC, TCXO and quartz crystal
PDF  80 Pages
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nhà sản xuất  NXP [NXP Semiconductors]
Trang chủ  http://www.nxp.com
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PCF2127AT/1 bảng dữ liệu(HTML) 61 Page - NXP Semiconductors

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PCF2127A_2
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 7 May 2010
61 of 80
NXP Semiconductors
PCF2127A
Integrated RTC, TCXO and quartz crystal
Fig 45. Bus protocol, reading from RAM
001aaj722
S
slave address
1
0
1
0
0
0
1
0
write bit
A
A
set RAM
address
RAM
read command
read data
from RAM
acknowledge
from PCF2127A
acknowledge
from PCF2127A
register address 1Ah
A
A
acknowledge
from PCF2127A
P/S
slave address
0 to n
data bytes
1
0
1
0
0
0
1
0
write bit
A
A
acknowledge
from PCF2127A
acknowledge
from PCF2127A
no acknowledge
register address 1Dh
acknowledge
from PCF2127A
data byte 1Bh
data byte 1Ah
A
P
last data byte
P/S
slave address
1
0
1
0
0
0
1
1
read bit
A
A
acknowledge
from master
acknowledge
from PCF2127A
data byte



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