AD6654/PCB Analog Devices Inc, AD6654/PCB Datasheet - Page 63

• Manufacturer Part Number: AD6654/PCB
• Description: BOARD EVALUATION FOR AD6654
• Manufacturer: Analog Devices Inc

Specifications of AD6654/PCB

• Module/board Type: Evaluation Board
• For Use With/related Products: AD6554
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

MSBFIRST
SPI Read
During a typical read operation, a one byte address and one
byte instruction are written to the serial port to instruct the
internal control logic as to which registers are to be accessed.
MSBFIRST
SMODE
MODE
SMODE
SCLK
MODE
SDO
SCLK
SCS
SDI
SDO
SCS
SDI
A0
A7
A1
A6
A2
BLOCK END ADDRESS
A5
BLOCK END ADDRESS
A3
A4
A4
A3
A5
A2
A6
A1
A0
A7
Figure 66. SPI Write MSBFIRST = 0
Figure 67. SPI Read MSBFIRST = 1
READ
N0
1
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N6
N1
BLOCK COUNT (Nx)
N5
N2
BLOCK COUNT (Nx)
N4
N3
Register readback data shifts out on the rising edge of SCLK.
The SDO pin is in a high impedance state at all times except
during a read cycle.
N3
N4
N2
N5
N1
N6
WRITE
N0
0
D0
D7
D1
D6
D2
D5
D3
D4
D4
D3
D5
D2
D6
D1
D7
D0
AD6654