AD9551/PCBZ Analog Devices Inc, AD9551/PCBZ Datasheet - Page 39

• Manufacturer Part Number: AD9551/PCBZ
• Description: BOARD EVAL FOR AD9951
• Manufacturer: Analog Devices Inc

Specifications of AD9551/PCBZ

• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9551
• Primary Attributes: 2 Inputs, 2 Outputs, VCO
• Secondary Attributes: Graphical User Interface, USB Interface
• Silicon Manufacturer: Analog Devices
• Application Sub Type: Clock Generator
• Kit Application Type: Clock & Timing
• Silicon Core Number: AD9551
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

OUT2 Driver Control (Register 0x34)
Table 35.
Address
0x34
Bit
7
6
[5:3]
[2:1]
0
Bit Name
OUT2 drive strength
OUT2 power-down
OUT2 mode control
OUT2 CMOS polarity
Enable SPI control of OUT2
driver control
Description
Controls the output drive capability of the OUT2 driver.
0 = weak.
1 = strong (default).
Controls power-down functionality of the OUT2 driver.
0 = OUT2 active (default).
1 = OUT2 powered down.
OUT2 driver mode selection.
000 = CMOS, both pins active.
001 = CMOS, positive pin active, negative pin tristate.
010 = CMOS, positive pin tristate, negative pin active.
011 = CMOS, both pins tristate.
100 = LVDS.
101 = LVPECL (default).
110 = not used.
111 = not used.
Selects the polarity of the OUT2 pins in CMOS mode.
00 = positive pin logic is true = 1, false = 0/negative pin logic is true = 0, false = 1 (default).
01 = positive pin logic is true = 1, false = 0/negative pin logic is true = 1, false = 0.
10 = positive pin logic is true = 0, false = 1/negative pin logic is true = 0, false = 1.
11 = positive pin logic is true = 0, false = 1/negative pin logic is true = 1, false=0.
These bits are ineffective unless Bits[5:3] select CMOS mode.
Controls OUT2 driver functionality.
0 = OUT2 is LVDS or LVPECL, per the OUTSEL pin (Pin 16) (default).
1 = OUT2 functionality defined by Bits[7:1].
Rev. B | Page 39 of 40
AD9551