I.MX27L_11 Datasheet, PDF (82/152 Pages) Freescale Semiconductor, Inc – Multimedia Applications Processor Multiple clock and power domains

Electrical Characteristics
4.3.10 Smart Liquid Crystal Display Controller (SLCDC)
Figure 43 and Figure 44 show the timings of the SLCDC, and Table 44 and Table 45 list the timing
parameters.
tcss
LCD_CS
LCD_CLK (LCD_DATA[6])
SDATA (LCD_DATA[7])
RS
tcsh
tcyc
tcl
tch
tds
tdh
MSB
trss
RS=0 => command data, RS=1=> display data
trsh
LSB
This diagram illustrates the timing when the SCKPOL = 1, CSPOL = 0
tcss
LCD_CS
LCD_CLK (LCD_DATA[6])
SDATA (LCD_DATA[7])
RS
tcsh
tcyc
tcl
tch
tds
tdh
MSB
trss
RS=0 => command data, RS=1=> display data
trsh
LSB
This diagram illustrates the timing when the SCKPOL = 0, CSPOL = 0
tcss
tcsh
LCD_CS
LCD_CLK (LCD_DATA[6])
tcyc
tcl
tch
SDATA (LCD_DATA[7])
RS
tds
tdh
MSB
trss
RS=0 => command data, RS=1=> display data
trsh
LSB
This diagram illustrates the timing when the SCKPOL = 1, CSPOL = 1
tcss
tcsh
LCD_CS
LCD_CLK (LCD_DATA[6])
tcyc
tcl
tch
SDATA (LCD_DATA[7])
RS
tds
tdh
MSB
trss
RS=0 => command data, RS=1=> display data
trsh
LSB
This diagram illustrates the timing when the SCKPOL = 0, CSPOL = 1
Figure 43. SLCDC Timing Diagram—Serial Transfers to LCD Device
i.MX27 and i.MX27L Data Sheet, Rev. 1.7
82
Freescale Semiconductor