MPC8541CPXAJD(2006) View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MPC8541CPXAJD
(Rev.:2006)

PowerQUICC™ III Integrated Communications Processor Hardware Specifications

Freescale Semiconductor 

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

DUART

Output

Z0 = 50 Ω

RL = 50 Ω

GVDD/2

Figure 5. DDR AC Test Load

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

7 DUART

This section describes the DC and AC electrical specifications for the DUART interface of the

MPC8541E.

7.1 DUART DC Electrical Characteristics

Table 16 provides the DC electrical characteristics for the DUART interface of the MPC8541E.

Table 16. DUART DC Electrical Characteristics

Parameter

Symbol

Test Condition

Min

Max

High-level input voltage

VIH

VOUT ≥ VOH (min) or

2

OVDD + 0.3

Low-level input voltage

Input current

VIL

VOUT ≤ VOL (max)

–0.3

0.8

IIN

VIN 1 = 0 V or VIN = VDD

—

±5

High-level output voltage

VOH

OVDD = min,

OVDD – 0.2

—

IOH = –100 μA

Low-level output voltage

VOL

OVDD = min, IOL = 100 μA

—

0.2

Note:

1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.

Unit

V

V

μA

V

V

MPC8541E PowerQUICC™ III Integrated Communications Processor Hardware Specifications, Rev. 4

Freescale Semiconductor

19

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