DS1390 Maxim, DS1390 Datasheet - Page 7

• Manufacturer Part Number: DS1390
• Description: The low-voltage serial-peripheral interface (SPI™) DS1390/DS1391/DS1394 and the low-voltage 3-wire DS1392/DS1393 real-time clocks (RTCs) are clocks/calendars that provide hundredths of a second, seconds, minutes, hours, day, date, month, and ye
• Manufacturer: Maxim

Figure 3. Timing Diagram—3-Wire Read Transfer
Figure 4. Timing Diagram—3-Wire Write Transfer
SCLK
SCLK
I/O
I/O
CE
CE
t
t
DC
DC
t
CC
A0
A0
t
t
CDH
CDH
t
CC
t
CL
WRITE ADDRESS BYTE
t
R
WRITE ADDRESS BYTE
t
CL
Low-Voltage SPI/3-Wire RTCs with
A1
A1
t
R
t
_____________________________________________________________________
CH
t
CH
t
t
F
F
R/W
R/W
D0
t
CDD
WRITE DATA BYTE
READ DATA BYTE
Trickle Charger
D0
D7
t
CCH
t
CWH
t
CDZ
D7
7