Rainbow-electronics MAX9258 Bedienungsanleitung PDF herunterladen (Seite 12)

MAX9257/MAX9258

12 ______________________________________________________________________________________

Fully Programmable Serializer/Deserializer

with UART/I

C Control Channel

MAX9258 Pin Description (continued)

PIN NAME FUNCTION

16 TX LVCMOS/LVTTL Control Channel UART Input. TX is internally pulled up to V

CCOUT

17 LOCK

Open-Drain Lock Output. LOCK asserts high to indicate PLLs are locked with correct serial-word

boundary alignment. LOCK asserts low to indicate PLLs are not locked or incorrect serial-word

boundary alignment was detected. Pull up to V

CCOUT

with a 1k

resistor.

18 PCLK_OUT LVCMOS/LVTTL Recovered Clock Output

19 VSYNC_OUT LVCMOS/LVTTL Vertical SYNC Output

20 HSYNC_OUT LVCMOS/LVTTL Horizontal SYNC Output

21, 28–35,

40–46

DOUT[15:0] LVCMOS/LVTTL Data Outputs

22, 39 V

CCOUT

Output Supply Voltage. V

CCOUT

is the supply for all output buffers. Bypass V

CCOUT

to GND

OUT

with

0.1µF and 0.001µF capacitors in parallel as close as possible to the device with the smallest value

capacitor closest to V

CCOUT

23, 38, 48 GND

OUT

Output Supply Ground

26 V

CCSPLL

Spread-Spectrum PLL Supply Voltage. Bypass V

CCSPLL

to GND

SPLL

with 0.1µF and 0.001µF

capacitors in parallel as close as possible to the device with the smallest value capacitor closest to

CCSPLL

27 GND

SPLL

SPLL Ground

47 CCEN

LVCMOS/LVTTL Control Channel Enabled Output. CCEN asserts high to indicate that control

channel is enabled.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 53 54

MAX9257/MAX9258 1
C Control Channel 1

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