Changes To Figure 52 - Analog Devices AD9912 Manual

AD9912
Table 10. Serial Control Port, 16-Bit Instruction Word, MSB First
MSB
I15 I14 I13
R/W W1 W0
CSB
SCLK
DON'T CARE
SDIO DON'T CARE R/W W1 W0 A12 A11 A10 A9 A8
CS
SCLK
DON'T CARE
SDIO
R/W W1 W0 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
DON'T CARE
SDO
16-BIT INSTRUCTION HEADER
t
S
CSB
DON'T CARE
SCLK
SDIO DON'T CARE R/W
CSB
SCLK
DON'T CARE
A0 A1 A2 A3
SDIO DON'T CARE
I12 I11 I10
A12 A11 A10
A7 A6 A5 A4 A3 A2
16-BIT INSTRUCTION HEADER
Figure 51. Serial Control Port Write—MSB First, 16-Bit Instruction, Two Bytes Data
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
REGISTER (N) DATA
Figure 52. Serial Control Port Read—MSB First, 16-Bit Instruction, Four Bytes Data
t
DS
t
HI
t
DH
W1 W0 A12 A11 A10
Figure 53. Serial Control Port Write—MSB First, 16-Bit Instruction, Timing Measurements
CSB
SCLK
SDIO
DATA BIT N
SDO
Figure 54. Timing Diagram for Serial Control Port Register Read
A4 A5 A6 A7 A8 A9 A10 A11 A12
16-BIT INSTRUCTION HEADER
Figure 55. Serial Control Port Write—LSB First, 16-Bit Instruction, Two Bytes Data
I9 I8 I7 I6
A9 A8 A7 A6
A1 A0 D7 D6 D5 D4 D3
REGISTER (N) DATA
REGISTER (N – 1) DATA
t
CLK
t
LO
A9 A8 A7 A6 A5
t
DV
DATA BIT N – 1
W0 W1 R/W D0 D1 D2 D3 D4
REGISTER (N) DATA
Rev. D | Page 28 of 40
I5 I4 I3
A5 A4 A3
D2 D1 D0 D7 D6 D5 D4 D3 D2
REGISTER (N – 1) DATA
REGISTER (N – 2) DATA REGISTER (N – 3) DATA
t
H
D4 D3 D2 D1 D0
D5 D6 D7 D0 D1 D2 D3 D4 D5
REGISTER (N + 1) DATA
LSB
I2 I1 I0
A2 A1 A0
DON'T CARE
DON'T CARE
D1 D0
DON'T CARE
DON'T
CARE
DON'T CARE
DON'T CARE
DON'T CARE
D6 D7 DON'T CARE