MCIMX25_10 Datasheet, PDF (104/134 Pages) Freescale Semiconductor, Inc – i.MX25 Applications Processor for Automotive Products

Symbol
t_css
t_csh
t_cyc
t_cl
t_ch
t_ds
t_dh
t_rss
t_rsh
Table 77. SLCDC Serial Interface Timing Parameters
Parameter
Chip select setup time
Chip select hold time
Serial clock cycle time
Serial clock low pulse
Serial clock high pulse
Data setup time
Data hold time
Register select setup time
Register select hold time
Min.
(t_cyc / 2) (±) t_prop
(t_cyc / 2) (±) t_prop
39 (±) t_prop
18 (±) t_prop
18 (±) t_prop
(t_cyc / 2) (±) t_prop
(t_cyc / 2) (±) t_prop
(15 × t_cyc / 2) (±) t_prop
(t_cyc / 2) (±) t_prop
Typ.
—
—
—
—
—
—
—
—
—
Max.
—
—
2641
—
—
—
—
—
—
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
LCD_CLK
LCD_RS
LCD_CS
LCD_DATA[15:0]
trss trsh
tcyc
tds
tdh
command data
display data
(This diagram shows the case CSPOL=0)
LCD_CLK
LCD_RS
trss trsh
tcyc
LCD_CS
LCD_DATA[15:0]
tds
tdh
command data
display data
(This diagram shows the case CSPOL=1)
Figure 77. SLCDC Timing Diagram—Parallel Transfers to LCD Device
i.MX25 Applications Processor for Automotive Products, Rev. 5
104
Freescale Semiconductor