AD9518-2 Analog Devices, Inc., AD9518-2 Datasheet - Page 43

• Manufacturer Part Number: AD9518-2
• Description: 6-output Clock Generator With Integrated 2.2 Ghz Vco
• Manufacturer: Analog Devices, Inc.

Table 39. Serial Control Port, 16-Bit Instruction Word, MSB First
MSB
I15
R/W
SCLK
SCLK
SCLK
SDIO
SDIO
SDIO
SDO
CS
CS
CS
DON'T CARE
DON'T CARE
DON'T CARE
DON'T CARE
DON'T CARE
SCLK
SDIO
CS
DON'T CARE
R/W
I14
W1
DON'T CARE
DON'T CARE
W1
R/W
A0 A1 A2 A3
W0
16-BIT INSTRUCTION HEADER
W1
A12
A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
I13
W0
W0
A12
t
S
R/W
A11 A10 A9 A8 A7
A4
I12
A12 = 0
16-BIT INSTRUCTION HEADER
16-BIT INSTRUCTION HEADER
t
A5 A6 A7 A8
DS
Figure 46. Serial Control Port Write—MSB First, 16-Bit Instruction, Timing Measurements
W1
Figure 45. Serial Control Port Read—MSB First, 16-Bit Instruction, Four Bytes Data
Figure 44. Serial Control Port Write—MSB First, 16-Bit Instruction, Two Bytes Data
Figure 48. Serial Control Port Write—LSB First, 16-Bit Instruction, Two Bytes Data
SCLK
SDIO
SDO
W0
t
DH
CS
I11
A11 = 0
Figure 47. Timing Diagram for Serial Control Port Register Read
A12
A6 A5
A9 A10 A11 A12
A11
t
HI
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
A4 A3 A2
REGISTER (N) DATA
I10
A10 = 0
DATA BIT N
A10
t
LO
W0
t
DV
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A9
W1
A1 A0
t
CLK
I9
A9
R/W
A8
D7 D6 D5 D4 D3
D0
DATA BIT N – 1
I8
A8
REGISTER (N – 1) DATA
A7
D1
REGISTER (N) DATA
REGISTER (N) DATA
D2 D3 D4
A6
I7
A7
A5
I6
A6
D2 D1 D0 D7
D5 D6 D7
D4
I5
A5
REGISTER (N – 2) DATA
D3
D0
I4
A4
D2
D6 D5
REGISTER (N – 1) DATA
D1 D2
REGISTER (N + 1) DATA
D1
I3
A3
D4 D3 D2
D3 D4 D5
D0
REGISTER (N – 3) DATA
I2
A2
t
C
D1 D0
D6
DON'T CARE
DON'T CARE
I1
A1
D7
AD9518-2
DON'T CARE
DON'T CARE
LSB
I0
A0
DON'T CARE
DON'T CARE
DON'T CARE
DON'T
CARE