NS486SXF Datasheet, PDF (41/44 Pages) National Semiconductor (TI) – NS486TMSXF Optimized 32-Bit 486-Class Controller with On-Chip Peripherals for Embedded Systems

3 0 Device Specifications (Continued)
3 3 5 7 LCD CONTROLLER
Symbol
t_lcclf
t_lccl2
t_lcds
t_lcdh
t_lcdd
t_lcfp
t_lcbp
t_lcfs
t_lcfh
t_llsu
t_llcl2
t_w
FIGURE 3-20 LCD Controller Timing Diagram
TABLE 3-18 LCD Controller Timing Specifications
Parameter
Frame Period
Dot Clock Period
LCD Data Situp CL2 Fall
LCD Data Hold CL2 Fall
LCD Data Delay CL2 Rise
CL2 Falling to CL1 Rising
CL1 Falling to CL2 Rising
CLF Setup to CL1 Fall
CLF Hold from CL1 Fall
CL1 Load Setup Time
CL1 Falling to CL2 Falling
Pulse Width
Condition
Programmable
Programmable
Min
Oscx1 6
(t_lccl2) 2-50 ns
(t_lccl2) 2-50 ns
(t_lccl2) 2-50 ns
(t_lccl2) 2-50 ns
(t_lccl2) 2-50 ns
t_lccl2
(t_lccl2) 2-20 ns
(t_lccl2) 2-50 ns
(t_lccl2) 2-50 ns
(t_lccl2) 2-50 ns
TL EE 12514 – 31
Typ
Max
14 3 ms
50 ns
41
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