ADN2850 Analog Devices, Inc., ADN2850 Datasheet - Page 4

• Manufacturer Part Number: ADN2850
• Description: Nonvolatile Memory, Dual 1024 Position Programmable Resistors
• Manufacturer: Analog Devices, Inc.

ADN2850
TIMING DIAGRAMS
CPOL = 1
CPOL = 0
SDO
CLK
RDY
SDO
CLK
RDY
SDI
CS
SDI
CS
t
14
*NOT DEFINED, BUT NORMALLY MSB OF CHARACTER JUST RECEIVED.
*NOT DEFINED, BUT NORMALLY LSB OF CHARACTER PREVIOUSLY TRANSMITTED.
t
THE CPOL = 0 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
THE CPOL = 1 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
14
t
8
t
8
t
2
t
2
*
MSB IN
MSB OUT
t
5
t
4
MSB
t
Figure 2b. CPHA = 0 Timing Diagram
Figure 2a. CPHA = 1 Timing Diagram
1
t
MSB
1
t
10
t
4
t
t
5
6
t
7
t
t
6
10
CPHA = 1
t
7
CPHA = 0
–4–
LSB
t
11
LSB
LSB
t
11
LSB OUT
t
3
t
3
*
t
t
15
9
t
t
15
9
t
12
t
t
12
t
17
17
t
16
t
16
t
13
t
13
REV. B