HFA3841 Просмотр технического описания (PDF) - Intersil

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производитель

HFA3841

Wireless LAN Medium Access Controller

Intersil 

Preliminary - HFA3841

AC Electrical Specifications (Continued)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

SYNTHESIZER

SPCLK Period

SPCLK Width Hi

SPCLK Width Lo

SYNCLE to Rising Edge SPCLK

SPDATA Hold Time from Falling Edge of SPCLK

SPCLK Falling Edge to SYNLE Inactive

SERIAL PORT - HFA3824A/HFA3860B

tCYC

90

-

4,000

ns

tH1

tCYC/2 - 10

-

tCYC/2 + 10 ns

tL1

tCYC/2 - 10

-

tCYC/2 + 10 ns

tD1

35

-

-

ns

tD2

0

-

-

ns

tD3

35

-

-

ns

SPCLK Clock Period

High Period

Delay from Clock Falling Edge to SPCSx, SPAS, SPREAD, SPDATA Outputs

Setup Time of SPDATA Read to SPCLK Falling Edge

Hold Time of SPDATA Read from SPCLK Falling Edge

Hold Time of SPDATA Write from SPCLK Falling Edge

SYSTEM INTERFACE - PC CARD IO READ 16

tCYC

tH1, tL1

tCD

tDRS

tDRH

tDWH

90ns

tCYC/2 -10

-

15

0

0

-

4µs

-

tCYC/2 + 10

10

-

ns

-

-

ns

-

-

-

-

Data Delay After SIORDN

Data Hold Following SIORDN

SIORDN Width Time

Address Setup Before SIORDN

SCE(1,2)N Setup Before SIORDN

SCE(1,2)N Hold After SIORDN

SREGN Setup Before SIORDN

SREGN Hold Following SIORDN

SINPACKN Delay Falling from SIORDN

SINPACKN Delay Rising from SIORDN

SIOIS16N Delay Falling from Address

SIOIS16N Delay Rising from Address

SWAITN

Data Delay from SWAITN Rising

SWAITN Width Time

SYSTEM INTERFACE - PC CARD IO WRITE 16

tDIORD

-

tHIORD

0

tWIORD

165

tSUA

70

tSUCE

5

tHCE

20

tSUREG

5

tHREG

0

tDFINPACK

0

dDRINPACK

-

tDFIOIS16

-

tDRIOIS16

-

tDFWT

-

tDRWT

-

tWWT

-

-

100

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

-

ns

-

45

ns

-

45

ns

-

35

ns

-

35

ns

-

35

ns

-

0

ns

-

12,000

ns

Data Setup Before SIOWRN

Data Hold Following SIOWRN

SIOWRN Width Time

Address Setup Before SIOWRN

Address Hold Following SIOWRN

SCE(1,2)N Setup Before SIOWRN

SCE(1,2)N Hold Following SIOWRN

SREGN Setup Before SIOWRN

SREGN Hold Following SIOWRN

tSUIOWR

60

-

tHIOWR

30

-

tWIOWR

165

-

tSUA

70

-

tHA

20

-

tSUCE

5

-

tHCE

20

-

tSUREG

5

-

tHREG

0

-

-

ns

-

ns

-

ns

-

ns

-

ns

-

ns

-

ns

-

ns

-

ns

8

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