PCF2129AT NXP [NXP Semiconductors], PCF2129AT Datasheet - Page 57

• Manufacturer Part Number: PCF2129AT
• Description: Integrated RTC, TCXO and quartz crystal
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2129A_1
Product data sheet
Fig 41. 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 — 13 January 2010
r
t
80%
t(SDI-SDO)
t
f
RA0
b0
t
w(CE_N)
b7
t
b7
d(R)SDO
Integrated RTC, TCXO and quartz crystal
b6
b6
t
clk(H)
t
clk(SCL)
t
clk(L)
t
h(CE_N)
PCF2129A
b0
b0
© NXP B.V. 2010. All rights reserved.
013aaa152
t
dis(SDO)
t
rec(CE_N)
57 of 68