MPC5200B datasheet(58/78 Pages) FREESCALE

Part #	MPC5200B

Description	SDRAM/DDR Memory Controller

PDF	78 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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MPC5200B Data Sheet, Rev. 1

Electrical and Thermal Characteristics

Freescale Semiconductor

3.3.16 GPIOs and Timers

3.3.16.1 General and Asynchronous Signals

The MPC5200B contains several sets if I/Os that do not require special setup, hold, or valid requirements.

Most of these are asynchronous to the system clock. The following numbers are provided for test and

validation purposes only, and they assume a 133 MHz internal bus frequency.

Figure 45 shows the GPIO Timing Diagram. Table 50 gives the timing specifications.

Figure 45. Timing Diagram—Asynchronous Signals

Table 50. Asynchronous Signals

Sym

Description

Min

Max

Units

SpecID

tCK

Clock Period

7.52

—

A16.1

tIS

Input Setup

—

A16.2

tIH

Input Hold

—

A16.3

tDV

Output Valid

—

15.33

A16.4

tDH

Output Hold

—

A16.5

Output

Input

tCK

valid

tDV

tDH

tIS

tIH

MPC5200B Datasheet(PDF) 58 Page - Freescale Semiconductor, Inc

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