PCF2127AT/1 NXP [NXP Semiconductors], PCF2127AT/1 Datasheet - Page 72
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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PCF2127A
NXP Semiconductors
Integrated RTC, TCXO and quartz crystal
START
BIT 7
BIT 6
BIT 0
ACKNOWLEDGE
STOP
PROTOCOL
CONDITION
MSB
(A6)
LSB
(A)
CONDITION
(S)
(A7)
(R/W)
(P)
t
t
t
SU;STA
LOW
HIGH
1 / f
SCL
SCL
t
t
t
BUF
r
f
SDA
t
t
t
t
t
HD;STA
SU;DAT
HD;DAT
VD;DAT
SU;STO
mbd820
2
Fig 52. I
C-bus timing diagram; rise and fall times refer to 30 % and 70 %
14. Application information
For information about application configuration see
Ref. 3
“AN10857”.
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
72 of 80
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