Rainbow-electronics ATA6839 Manual de usuario descargar pdf (Pagina 12)

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4955C–AUTO–09/07

ATA6839 [Preliminary]

8. Serial Interface: Timing

Parameters Test Conditions Timing Chart No. Symbol Min. Typ. Max. Unit

DO enable after CS falling edge C

= 100 pF 1 t

ENDO

200 ns

DO disable after CS rising edge C

= 100 pF 2 t

DISDO

200 ns

DO fall time C

= 100 pF - t

DOf

100 ns

DO rise time C

= 100 pF - t

DOr

100 ns

DO valid time C

= 100 pF 10 t

DOVal

200 ns

CS setup time 4t

CSSethl

225 ns

CS setup time 8t

CSSetlh

225 ns

CS high time Input register bit 14 (SCT) = high 9 t

CSh

17 ms

CS high time Input register bit 14 (SCT) = low 9 t

CSh

2.1 ms

CLK high time 5t

CLKh

225 ns

CLK low time 6t

CLKl

225 ns

CLK period time - t

CLKp

500 ns

CLK setup time 7 t

CLKSethl

225 ns

CLK setup time 3 t

CLKSetlh

225 ns

DI setup time 11 t

DIset

40 ns

DI hold time 12 t

DIHold

40 ns

1 2 ... 7 8 9 10 11 12 13 14 15 16 17

Features 1
1. Description 1
ATA6839 [Preliminary] 10
Headquarters International 17
Product Contact 17

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