MCIMX31L FREESCALE [Freescale Semiconductor, Inc], MCIMX31L Datasheet - Page 123

• Manufacturer Part Number: MCIMX31L
• Description: Multimedia Applications Processors
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Freescale Semiconductor
DISPB_RD (ENABLE_L)
DISPB_DATA[17]
(ENABLE_H)
IP27 Read system cycle time
IP28 Write system cycle time
IP29 Read low pulse width
IP30 Read high pulse width
IP31 Write low pulse width
IP32 Write high pulse width
IP33 Controls setup time for read
IP34 Controls hold time for read
IP35 Controls setup time for write
DISPB_PAR_RS
ID
DISPB_D#_CS
DISPB_WR
(READ/WRITE)
DISPB_DATA
(Input)
DISPB_DATA
(Output)
Figure 62. Asynchronous Parallel System 68k Interface (Type 2) Timing Diagram
Parameter
Table 51. Asynchronous Parallel Interface Timing Parameters—Access Level
Symbol
IP37
Tcycw
Tdcsw
IP46,IP44
Tdcsr
Tdchr
Tcycr
i.MX31/i.MX31L Advance Information, Rev. 1.4
IP35,IP33
Twh
Twl
Trh
Trl
IP47
Tdicpr-1.5
Tdicpw-1.5
Tdicdr-Tdicur-1.5
Tdicpr-Tdicdr+Tdicur-1.5
Tdicdw-Tdicuw-1.5
Tdicpw-Tdicdw+
Tdicuw-1.5
Tdicur-1.5
Tdicpr-Tdicdr-1.5
Tdicuw-1.5
IP45, IP43
IP39
IP31, IP29
Min.
Preliminary
IP42, IP41
Read Data
read point
IP28, IP27
Tdicpr
Tdicpw
Tdicdr
Tdicpr-Tdicdr+
Tdicur
Tdicdw
Tdicpw-Tdicdw+
Tdicuw
Tdicur
Tdicpr-Tdicdr
Tdicuw
Typ.
2
4
3
6
-Tdicur
-Tdicuw
IP38
1
5
7
IP36, IP34
Tdicpr+1.5
Tdicpw+1.5
Tdicdr-Tdicur+1.5
Tdicpr-Tdicdr+Tdicur+1.5
Tdicdw-Tdicuw+1.5
Tdicpw-Tdicdw+
Tdicuw+1.5
IP32, IP30
IP40
Electrical Characteristics
Max.
–
–
–
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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