Datasheet

Data Sheet AD9518-1
Rev. C | Page 43 of 64
CS
SCLK
SDIO
t
HIGH
t
LOW
t
CLK
t
S
t
DS
t
DH
t
C
BIT N BIT N + 1
06430-043
Figure 51. Serial Control Port Timing Diagram—Write
Table 40. Serial Control Port Timing
Parameter Description
t
DS
Setup time between data and rising edge of SCLK
t
DH
Hold time between data and rising edge of SCLK
t
CLK
Period of the clock
t
S
Setup time between
CS
falling edge and SCLK rising edge (start of communication cycle)
t
C
Setup time between SCLK rising edge and
CS
rising edge (end of communication cycle)
t
HIGH
Minimum period that SCLK should be in a logic high state
t
LOW
Minimum period that SCLK should be in a logic low state
t
DV
SCLK to valid SDIO and SDO (see Figure 49)