MPC8349E View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MPC8349E

PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications

Freescale Semiconductor 

DDR SDRAM

Figure 4 shows the DDR SDRAM output timing for address skew with respect to any MCK.

MCK[n]

MCK[n]

tMCK

tAOSKEWmax)

ADDR/CMD

CMD

NOOP

tAOSKEW(min)

ADDR/CMD

CMD

NOOP

Figure 4. Timing Diagram for tAOSKEW Measurement

Figure 5 provides the AC test load for the DDR bus.

Output

Z0 = 50 Ω

RL = 50 Ω

OVDD/2

Figure 5. DDR AC Test Load

Table 15 shows the DDR SDRAM measurement conditions.

Table 15. DDR SDRAM Measurement Conditions

Symbol

VTH

VOUT

Notes:

1. Data input threshold measurement point.

2. Data output measurement point.

DDR

MVREF ± 0.31 V

0.5 × GVDD

Unit Notes

V

1

V

2

MPC8349E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 10

18

Freescale Semiconductor

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