pcf2127a NXP Semiconductors, pcf2127a Datasheet - Page 69
pcf2127a
Manufacturer Part Number
pcf2127a
Description
Integrated Rtc, Tcxo And Quartz Crystal
Manufacturer
NXP Semiconductors
Datasheet
1.PCF2127A.pdf
(79 pages)
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NXP Semiconductors
PCF2127A_1
Product data sheet
Fig 50. SPI-bus timing
WRITE
READ
SDO
SDO
SCL
SDI
SDI
CE
t
su(CE_N)
t
su
R/W
high-Z
high-Z
b7
t
h
SA2
b6
20%
t
Rev. 01 — 21 January 2010
r
t
80%
t(SDI-SDO)
t
f
RA0
b0
t
w(CE_N)
b7
t
d(R)SDO
b7
Integrated RTC, TCXO and quartz crystal
b6
b6
t
clk(H)
t
clk(SCL)
t
clk(L)
t
h(CE_N)
PCF2127A
b0
b0
© NXP B.V. 2010. All rights reserved.
013aaa152
t
dis(SDO)
t
rec(CE_N)
69 of 79
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