Isd1700 series, 12 - 7.2 spi, Figure 12.8: spi operation – Rainbow Electronics ISD1700 User Manual
Page 12

ISD1700 SERIES
- 12 -
7.2 SPI
O
PERATION
T
SSH
T
SSmin
T
SCKhi
T
SSS
T
DIS
T
DIH
T
SCKlow
T
DF
(TRISTATE)
SS
SCLK
MOSI
MISO
LSB
T
PD
MSB
LSB
MSB
Figure 12.8: SPI Operation
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
SS
Setup Time
T
SSS
500
nsec
SS
Hold Time
T
SSH
500
nsec
Data in Setup Time
T
DIS
200
nsec
Data in Hold Time
T
DIH
200
nsec
Output Delay
T
PD
500
nsec
Output Delay to HighZ
T
DF
500
nsec
SS
HIGH
T
SSmin
1
µsec
SCLK High Time
T
SCKhi
400
nsec
SCLK Low Time
T
SCKlow
400
nsec
CLK Frequency
F
0
1,000
KHz
Power-Up Delay
[1]
T
PUD
50 msec
Notes:
[1]
The value shown is based upon 8 kHz sampling frequency. Delay increases proportionally for
slower sampling frequency.