Rainbow-electronics MAX3301E Manual do Utilizador descarregar pdf (Página 11)

MAX3301E

USB On-the-Go Transceiver and Charge Pump

______________________________________________________________________________________ 11

Test Circuits and Timing Diagrams (continued)

90%

10%

Figure 5. Rise and Fall Times

PLH

D+

D-

CRS_F

, V

CRS_L

OLD

OHD

CRS_F

, V

CRS_L

DAT_VP

SE0_VM

PHL

Figure 6. Timing of DAT_VP, SE0_VM to D+, D- in VP_VM

Mode (dat_se0 = 0)

PLH

D+

D-

CRS_F

, V

CRS_L

OLD

OHD

CRS_F

, V

CRS_L

DAT_VP

SE0_VM

PHL

Figure 7. Timing of DAT_VP, SE0_VM to D+/D- in DAT_SE0

Mode (dat_se0 = 1)

PDZ

D+ OR D-

OLD

+ 0.3V

OHD

- 0.3V

/ 2 V

/ 2

PZD

OE/INT

Figure 8. Enable and Disable Timing

PHL

PLH

D+

D-

RCV

DAT_VP

SE0_VM

/ 2

PLH

PHL

D+/D- RISE/FALL TIMES ≤ 8ns, V

= 1.8V, 2.5V, OR 3.3V

Figure 9. D+/D- to RCV, DAT_VP, SE0_VM Propagation Delays

(VP_VM Mode)

PHL

D+

D-

DAT_VP

SE0_VM

/ 2

PLH

D+/D- RISE/FALL TIMES ≤ 8ns, V

= 1.8V, 2.5V, OR 3.3V

Figure 10. D+/D- to DAT_VP, SE0_VM Propagation Delays

(DAT_SE0 Mode)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 32 33

MAX3301E 1

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