ISD1700 SERIES
7.2 SPI OPERATION
TSSmin
TSSH
SS
TSCKlow
TSSS
TSCKhi
SCLK
MOSI
TDIS
TDIH
LSB
MSB
TPD
TDF
(TRISTATE)
MISO
LSB
MSB
Figure 12.8: SPI Operation
PARAMETER
SS Setup Time
SYMBOL
TSSS
MIN
TYP
MAX
UNITS
500
nsec
TSSH
500
nsec
SS Hold Time
Data in Setup Time
Data in Hold Time
Output Delay
TDIS
TDIH
TPD
200
200
nsec
nsec
nsec
nsec
µsec
500
500
Output Delay to HighZ
TDF
TSSmin
1
SS HIGH
SCLK High Time
SCLK Low Time
CLK Frequency
TSCKhi
TSCKlow
F0
400
400
nsec
nsec
KHz
1,000
Power-Up Delay [1]
TPUD
50
msec
[1]
Notes:
The value shown is based upon 8 kHz sampling frequency. Delay increases proportionally for
slower sampling frequency.
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