ADSP-BF526BBCZ-4AX 查看數據表（PDF） - Analog Devices

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ADSP-BF526BBCZ-4AX

Blackfin® Embedded Processor

Analog Devices 

Preliminary Technical Data

ADSP-BF522/523/524/525/526/527

General-Purpose Port Timing

Table 44 and Figure 29 describe general-purpose

port operations.

Table 44. General-Purpose Port Timing

ADSP-BF522/524/526

VDDEXT =

1.8 V

VDDEXT =

2.5/3.3 V

Parameter

Min Max Min Max

Timing Requirement

tWFI

General-Purpose Port Ball Input Pulse Width tSCLK + 1

Switching Characteristics

tSCLK + 1

tGPOD

General-Purpose Port Ball Output Delay from 0 9.66 0 9.66

CLKOUT Low

ADSP-BF523/525/527

VDDEXT =

1.8 V

VDDEXT =

2.5/3.3 V

Min Max Min Max

tSCLK + 1

tSCLK + 1

0

8.2

0

6.5

Unit

ns

ns

CLKOUT

GPIO OUTPUT

GPIO INPUT

tG PO D

tWFI

Figure 29. General-Purpose Port Timing

Rev. PrG | Page 55 of 80 | February 2009

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