User's Manual

Universal Scientific Industrial Corp.
Doc No. Rev
1.4
Date.
2011/12/09
Page
15
Description
Product Specification – WM-G-MR-09-Ref2
6.2.3 G-SPI PROTOCOL TIMING
G-SPI Host Interface Transaction Timing
G-SPI Host Interface Inter-Transaction Timing
SPI Interface Timing Data
Symbol Parameter Min Typ Max Units
TSCLK Clock Period 20 -- -- ns
TWH Clock High 5 -- -- ns
TWL Clock Low 9 -- -- ns
TWR Clock Rise Time -- -- 1 ns
TWF
Clock Fall Time -- -- 1 ns
TH
SDI Hold Time 2.5 -- -- ns
TSU SDI Setup Time 2.5 -- -- ns
TV SDO Hold Time 5 -- -- ns
TCSS SCSn Fall to Clock 5 -- -- ns
TCSH Clock to SCSn Rise 0 -- -- ns
TCRF SCSn Rise to SCSn Fall 400 -- -- ns
NOTE: Over full range of values specified in the Recommended Operating Condition unless
Otherwise specified.