Datasheet

PRELIMINARY ISD1700 SERIES
Publication Release Date: Nov 6, 2008
- 12 - Revision 1.31
7.2
16
SPI OPERATION
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.