ADMCF326BR datasheet(5/36 Pages) AD

Part #	ADMCF326BR

Description	28-Lead Flash Memory DSP Motor Controller

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Manufacturer	AD [Analog Devices]

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ADMCF326

–5–

REV. 0

Parameter

Min

Max

Unit

Serial Ports

Timing Requirements:

tSCK

SCLK Period

100

ns

tSCS

DR/TFS/RFS Setup before SCLK Low

15

ns

tSCH

DR/TFS/RFS Hold after SCLK Low

20

ns

tSCP

SCLKIN Width

40

ns

Switching Characteristics:

tCC

CLKOUT High to SCLKOUT

0.25 tCK

0.25 tCK + 20

ns

tSCDE

SCLK High to DT Enable

0

ns

tSCDV

SCLK High to DT Valid

30

ns

tRH

TFS/RFSOUT Hold after SCLK High

0

ns

tRD

TFS/RFSOUT Delay from SCLK High

30

ns

tSCDH

DT Hold after SCLK High

0

ns

tSCDD

SCLK High to DT Disable

30

ns

tTDE

TFS (Alt) to DT Enable

0

ns

tTDV

TFS (Alt) to DT Valid

25

ns

tRDV

RFS (Multichannel, Frame Delay Zero) to DT Valid

30

ns

Speciﬁcations subject to change without notice.

tCC

tSCS

tRD

tRH

tSCDV

tSCDE

tSCDD

tTDV

tRDV

CLKOUT

SCLK

DR

RFSIN

TFSIN

RFSOUT

TFSOUT

DT

TFS

(ALTERNATE

FRAME MODE)

RFS

(MULTICHANNEL MODE,

FRAME DELAY 0 [MFD = 0])

tSCP

tSCK

tSCP

tSCH

tSCDH

tTDE

Figure 2. Serial Port Timing

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ADMCF326BR Datasheet(PDF) 5 Page - Analog Devices

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