MCIMX31L FREESCALE [Freescale Semiconductor, Inc], MCIMX31L Datasheet - Page 118

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

Electrical Characteristics
Display read operation can be performed with wait states when each read access takes up to 4 display
interface clock cycles according to the DISP0_RD_WAIT_ST parameter in the
DI_DISP0_TIME_CONF_3, DI_DISP1_TIME_CONF_3, DI_DISP2_TIME_CONF_3 Registers.
Figure 58
118
DISPB_PAR_RS
DISPB_PAR_RS
DISPB_PAR_RS
DISPB_D#_CS
DISPB_D#_CS
DISPB_WR
(READ/WRITE)
DISPB_D#_CS
DISPB_WR
(READ/WRITE)
DISPB_WR
(READ/WRITE)
DISPB_BCLK
DISPB_DATA
DISPB_DATA
DISPB_DATA
DISPB_RD
(ENABLE)
DISPB_RD
(ENABLE)
DISPB_RD
(ENABLE)
Figure 57. Asynchronous Parallel System 68k Interface (Type 2) Burst Mode TIming Diagram
shows timing of the parallel interface with read wait states.
Single access mode (all control signals are not active for one display interface clock after each display access)
Burst access mode with sampling by separate burst clock (BCLK)
i.MX31/i.MX31L Advance Information, Rev. 1.4
Burst access mode with sampling by ENABLE signal
Preliminary
Freescale Semiconductor