EP9307 Datasheet, PDF (33/48 Pages) Cirrus Logic – ARM9 SOC WITH ETHERNET USB DISPLAY AND TOUCHSCREEN

Motorola SPI
EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
SCLK
(SPO=0)
t_{clk_high}
t_{clk_per}
t_{clk_low}
t_clkrf
SCLK
(SPO=1)
t_DMs
t_DMh
SSPTXD
from master
MSB
t_DMd
t_DSd t_DSs
t_DSd
SSPRXD
from slave
MSB
SFRM
LSB
LSB
Figure 19. SPI Format with SPH=1 Timing Measurement
DS667PP3
©Copyright 2004 Cirrus Logic (All Rights Reserved)
33