MCIMX35_101 Datasheet, PDF (91/148 Pages) Freescale Semiconductor, Inc – i.MX35 Applications Processors for Industrial and Consumer Products

Table 55. Asynchronous Serial Interface Timing Parameters—Access Level (continued)
ID
Parameter
Symbol
Min.
Typ.¹
Max.
Units
IP55 Controls hold time for read Tdchr Tdicpr – Tdicdr – 1.5
Tdicpr – Tdicdr
—
ns
IP56 Controls setup time for write Tdcsw Tdicuw – 1.5
Tdicuw
—
ns
IP57 Controls hold time for write Tdchw Tdicpw – Tdicdw – 1.5 Tdicpw – Tdicdw
—
ns
IP58 Slave device data delay⁸
Tracc 0
—
Tdrp⁹ – Tlbd¹⁰ – Tdicur
ns
– 1.5
IP59 Slave device data hold time⁸ Troh Tdrp – Tlbd – Tdicdr
+ 1.5
—
Tdicpr – Tdicdr – 1.5
ns
IP60 Write data setup time
Tds Tdicdw – 1.5
Tdicdw
—
ns
IP61 Write data hold time
Tdh Tdicpw – Tdicdw – 1.5 Tdicpw – Tdicdw
—
ns
IP62 Read period²
Tdicpr Tdicpr – 1.5
Tdicpr
Tdicpr + 1.5
ns
IP63 Write period³
Tdicpw Tdicpw – 1.5
Tdicpw
Tdicpw + 1.5
ns
IP64 Read down time⁴
Tdicdr Tdicdr – 1.5
Tdicdr
Tdicdr + 1.5
ns
IP65 Read up time⁵
Tdicur Tdicur – 1.5
Tdicur
Tdicur + 1.5
ns
IP66 Write down time⁶
Tdicdw Tdicdw – 1.5
Tdicdw
Tdicdw + 1.5
ns
IP67 Write up time⁷
Tdicuw Tdicuw – 1.5
Tdicuw
Tdicuw + 1.5
ns
IP68 Read time point⁹
Tdrp Tdrp – 1.5
Tdrp
Tdrp + 1.5
ns
1 _{The exact conditions have not been finalized, but will likely match the current customer requirement for their specific display.}
These conditions may be device specific.
2 _{Display interface clock period value for read:}
Tdicpr
=
THSP_CLK ⋅ c eil
D-----I--S---P----#---_---I--F---_---C----L----K----_---P---E----R----_---R----D---
HSP_CLK_PERIOD
3 _{Display interface clock period value for write:}
Tdicpw
=
THSP_CLK ⋅ ce il
D-----I--S---P----#---_---I--F---_---C----L----K----_---P---E----R----_---W------R--
HSP_CLK_PERIOD
4 _{Display interface clock down time for read:}
Tdicdr
=
1--
2
THSP_CLK
⋅
ceil
2-----⋅_{---D----I--S----P---#---_---I--F---_---C----L----K----_----D----O----W------N----_---R----D---}
HSP_CLK_PERIOD
5 _{Display interface clock up time for read:}
Tdi cur = ^12-- THSP_CLK ⋅ cei l ^2-----â‹---D--H--I--SS----PP---_#---C_---I-L-F---K_----C_---PL---E-K---R-_---I-U-O---P-D--_---R----D---
6 _{Display interface clock down time for write:}
Tdicdw
=
1--
2
THSP_CLK
⋅
ce
i
l
2-----⋅_{---D----I--S----P---#---_---I--F---_---C----L----K----_----D----O----W------N----_---W------R--}
HSP_CLK_PERIOD
7 _{Display interface clock up time for write:}
Tdi cuw = ^12--THSP_CLK ⋅ ce il ^2-----â‹---D--H--I--S-S---PP---#_---_C---I-L-F---K-_--C-_---P-L---EK---R-_----UI-O---P--D-_---W------R--
8 _{This parameter is a requirement to the display connected to the IPU.}
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 8
Freescale Semiconductor
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