Rainbow-electronics MAX9258 Manual de usuario descargar pdf (Pagina 17)

MAX9257/MAX9258

______________________________________________________________________________________ 17

Fully Programmable Serializer/Deserializer

with UART/I

C Control Channel

FIRST BIT

SDI

PCLK_OUT

DOUT,

HSYNC_OUT,

VSYNC_OUT

LAST BIT

SERIAL WORD N

SERIAL-WORD LENGTH

SERIAL WORD N+1 SERIAL WORD N+2

SPD1

PARALLEL WORD N-2

PARALLEL WORD N-1 PARALLEL WORD N

NOTE: PCLK_OUT PROGRAMMED FOR RISING LATCHING EDGE.

Figure 14. MAX9258 Serial-to-Parallel Delay

1.0UI0.75UI0.50UI0.25UI0.0UI

+25mV

-25mV

+100mV

-100mV

INPUT TEMPLATE FOR LVDS SERIAL

SDI+

- V

SDI-

NOTE: UI IS ONE SERIAL BIT. TIME INPUT IS MEASURED DIFFERENTIALLY (V

SDI+

- V

SDI-

R1A

F1B

R1B

F1A

(SDO+) - (SDO-)

0.8V

OD(+)

0.8 x | V

OD(+)

+ V

OD(-)

| 0.8 x | V

OD(+)

+ V

OD(-)

0.2V

OD(-)

0.8V

OD(-)

0.2V

OD(-)

0.8V

OD(-)

0.2 x | V

OD(+)

+ V

OD(-)

| 0.2 x | V

OD(+)

+ V

OD(-)

1 0

0.2V

OD(+)

0.8V

OD(+)

0.2V

OD(+)

Figure 15. MAX9258 Jitter Tolerance

Figure 16. Control Channel Transition Time

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 53 54

MAX9257/MAX9258 1
C Control Channel 1

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Rainbow-electronics MAX9258 Manual de usuario Pagina 17

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