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PCF2129AT 数据表(PDF) 59 Page - NXP Semiconductors

部件名 PCF2129AT
功能描述  Integrated RTC, TCXO and quartz crystal
PDF  68 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF2129AT 数据表(HTML) 59 Page - NXP Semiconductors

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PCF2129A_1
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 — 13 January 2010
59 of 68
NXP Semiconductors
PCF2129A
Integrated RTC, TCXO and quartz crystal
14. Application information
For information about application configuration see Ref. 3 “AN10857”.
Fig 42. I2C-bus timing diagram; rise and fall times refer to 30 % and 70 %
PROTOCOL
SCL
SDA
mbd820
BIT 0
LSB
(R/W)
t HD;STA
t
SU;DAT
t
HD;DAT
t
VD;DAT
t SU;STO
t
f
r
t
t
BUF
t
SU;STA
t
LOW
t HIGH
1 / f SCL
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
ACKNOWLEDGE
(A)
STOP
CONDITION
(P)



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