MCIMX35_101 Datasheet, PDF (90/148 Pages) Freescale Semiconductor, Inc – i.MX35 Applications Processors for Industrial and Consumer Products

4.9.13.5.10 Serial Interfaces, Electrical Characteristics
Figure 67 depicts timing of the serial interface. Table 55 lists the timing parameters at display access level.
IP49, IP48
DISPB_SER_RS
IP56,IP54
IP57, IP55
DISPB_SD_D_CLK
DISPB_DATA
(Input)
DISPB_DATA
(Output)
IP58
IP50, IP52
read point
Read Data
IP59
IP60
IP51, IP53
IP61
IP67,IP65
IP47
IP64, IP66
IP62, IP63
Figure 67. Asynchronous Serial Interface Timing Diagram
Table 55. Asynchronous Serial Interface Timing Parameters—Access Level
ID
Parameter
Symbol
Min.
IP48 Read system cycle time
IP49 Write system cycle time
IP50 Read clock low pulse width
IP51 Read clock high pulse width
IP52 Write clock low pulse width
Tcycr Tdicpr – 1.5
Tcycw Tdicpw – 1.5
Trl Tdicdr – Tdicur – 1.5
Trh Tdicpr – Tdicdr + Tdicur
– 1.5
Twl Tdicdw – Tdicuw – 1.5
IP53 Write clock high pulse width
IP54 Controls setup time for read
Twh Tdicpw – Tdicdw +
Tdicuw – 1.5
Tdcsr Tdicur – 1.5
Typ.¹
Max.
Tdicpr²
Tdicpr + 1.5
Tdicpw³
Tdicpw + 1.5
Tdicdr⁴ – Tdicur⁵ Tdicdr – Tdicur + 1.5
Tdicpr – Tdicdr + Tdicpr – Tdicdr + Tdicur
Tdicur
+ 1.5
Tdicdw⁶ –
Tdicuw⁷
Tdicdw – Tdicuw + 1.5
Tdicpw – Tdicdw Tdicpw – Tdicdw +
+ Tdicuw
Tdicuw + 1.5
Tdicur
—
Units
ns
ns
ns
ns
ns
ns
ns
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 8
90
Freescale Semiconductor