
Automatic RF MESFET Amplifier
Drain-Current Controllers
t CSW
CS
t CSS
t CSS
t CL
t CH
t CP
t CSH
SCLK
t DH
t DS
DIN
C7
C6
D1
D0
t DV
DOUT
Figure 1. SPI Serial-Interface Timing Diagram
SDA
t DO
t TR
t F
t LOW
t R
t SU;DAT
t F
t HD;STA
t SP
t R
t BUF
SCL
S
t HD;STA
t HD;DAT
t HIGH
t SU;STA
Sr
t SU;STO
P
S
S = START, Sr = REPEATED START, P = STOP
Figure 2. Slow-/Fast-Speed Timing Diagram
SDA
t FDA
Sr
t RDA
Sr P
t SU;STA
t HD;STA
t HD;DAT
t SU;DAT
t SU;STO
SCL
t RCL1
t FCL
t RCL
t RCL1
Sr = REPEATED START, P = STOP
t HIGH
t LOW
t LOW
t HIGH
Figure 3. High-Speed Timing Diagram
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