IMX53CEC datasheet(115/204 Pages) FREESCALE

Part #	IMX53CEC

Description	Applications Processors for Consumer Products

PDF	204 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Electrical Characteristics

i.MX53xD Applications Processors for Consumer Products, Rev. 2

Freescale Semiconductor

115

4.7.12.2

Ultra DMA (UDMA) Input Timing

Figure 68 shows timing when the UDMA in transfer starts, Figure 69 shows timing when the UDMA in

host terminates transfer, Figure 70 shows timing when the UDMA in device terminates transfer, and

Table 75 lists the timing parameters for UDMA in burst.

Figure 68. UDMA in Transfer Starts Timing Diagram

tn, tj

tkjn

tn= tj= tkjn = time_jn * T – (tskew1 + tskew2 + tskew6)

time_jn

—ton

toff

ton = time_on

× T – tskew1

toff = time_off

× T – tskew1

—

1 tk1 in the MDMA figures (Figure 66 and Figure 67) equals (tk – 2*T).

2 tk1 in the MDMA figures equals (tk – 2*T).

Table 74. MDMA Read and Write Timing Parameters (continued)

ATA

Parameter

Parameter from

Figure 66 (Read),

Figure 67 (Write)

Value

Controlling

Variable

IMX53CEC Datasheet(PDF) 115 Page - Freescale Semiconductor, Inc