PCF2127A Datasheet, PDF (70/80 Pages) NXP Semiconductors – Integrated RTC, TCXO and quartz crystal

NXP Semiconductors
PCF2127A
Integrated RTC, TCXO and quartz crystal
CE
SCL
t_{su(CE_N)}
WRITE
SDI
SDO
t_su
t_h
R/W
SA2
high-Z
READ
SDI
b7
b6
SDO
high-Z
Fig 51. SPI-bus timing
t_{w(CE_N)}
t_r
t_f
80%
20%
t_clk(SCL)
t_{h(CE_N)}
t_clk(L)
t_clk(H)
t_{rec(CE_N)}
RA0
b7
b6
b0
b0
t_t(SDI-SDO)
t_d(R)SDO
b7
b6
t_dis(SDO)
b0
013aaa152
PCF2127A_2
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 7 May 2010
© NXP B.V. 2010. All rights reserved.
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