ADSP-BF526BBCZ-4AX View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADSP-BF526BBCZ-4AX

Blackfin® Embedded Processor

Analog Devices 

Preliminary Technical Data

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

Table 40. Serial Ports — External Late Frame Sync

ADSP-BF522/524/526 ADSP-BF523/525/527

VDDEXT =

1.8 V

VDDEXT =

2.5/3.3 V

VDDEXT =

1.8 V

VDDEXT =

2.5/3.3 V

Parameter

Min Max Min Max Min Max Min Max Unit

Switching Characteristics

tDDTLFSE

Data Delay from Late External TFSx

10.0

10.0

12.0

10.0 ns

or External RFSx in multi-channel mode with MFD = 01, 2

tDTENLFSE

Data Enable from External RFSx in multi-channel mode 0.0

0.0

0.0

0.0

ns

with MFD = 01, 2

1 When in multi-channel mode, TFSx enable and TFSx valid follow tDTENLFSE and tDDTLFSE.

2 If external RFSx/TFSx setup to RSCLKx/TSCLKx > tSCLKE/2 then tDDTTE/I and tDTENE/I apply, otherwise tDDTLFSE and tDTENLFSE apply.

EXTERNAL RFSx IN MULTI-CHANNEL MODE WITH MCE = 1

DRIVE

SAMPLE

DRIVE

RSCLKx

tSFSE/I

tHOFSE/I

RFSx

tDTENLFSE

DTx

tDD TL F SE

1ST BIT

LATE EXTERNAL TFSx

DRIVE

SAMPLE

TSCLKx

tSFSE/I

DRIVE

tHOFSE/I

TFSx

DTx

tDDTLFSE

1ST BIT

Figure 25. Serial Ports — External Late Frame Sync

Rev. PrG | Page 51 of 80 | February 2009

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