Cirrus-logic CS61584A Manuel d'utilisateur télécharger pdf (Page 14)

CS61584A

14 DS261PP5

DS261PP5

SWITCHING CHARACTERISTICS - JTAG (T

= -40 to 85 °C; TV+, RV+ = nominal ± 0.3 V;

Inputs: Logic 0 = 0 V, Logic 1 = RV+)

Parameter Symbol Min Max Unit

Cycle Time t

cyc

200 - ns

J-TMS/J-TDI to J-TCK Rising Setup Time t

50 - ns

J-TCK Rising to J-TMS/J-TDI Hold Time t

50 - ns

J-TCK Falling to J-TDO Valid t

-60ns

J-TCK

J-TMS

J-TDI

J-TDO

cyc

Figure 12. JTAG Switching Characteristics

CS61584A

14 DS261F1

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 53 54

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Cirrus-logic CS61584A Manuel d'utilisateur Page 14