PPC460EX-SUB800N AMCC, PPC460EX-SUB800N Datasheet - Page 73

• Manufacturer Part Number: PPC460EX-SUB800N
• Manufacturer: AMCC

Revision 1.19 – June 17, 2009
Table 9. Signal Functional Description (Part 10 of 10)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3kΩ to OV
3. Must pull down (recommended value is 1kΩ to GND)
4. If not used, must pull up (recommended value is 3kΩ for LVTTL or 8.2kΩ for PCI to OV
5. If not used, must pull down (recommended value is 1kΩ)
6. Strapping input during reset; pull-up (recommended value is 3kΩ to OV
AMCC Proprietary
Other
Reserved
Power
V
OV
SOV
E1OV
E2OV
GND
AV
PAV
AGND
EAV
EAGND
SPAV
SPAGND
Preliminary Data Sheet
DD
GND) required
DD
DD
DD
DD
DD
DD
DD
DD
Signal Name
To avoid noise pickup problems, some of these balls must be
connected in the board design as shown Table 8 on page 62.
Otherwise, do not connect voltage, ground, or any signals to
these pins.
+1.25V—Logic voltage.
+3.3V—I/O voltage (except DDR SDRAM, Ethernet, and USB).
+1.8V (DDR2) or +2.5V (DDR1)— I/O voltage for DDR SDRAM.
+2.5V—I/O voltage for Ethernet (except SGMII) and USB.
+1.8V—I/O Ethernet (SGMII).
Ground for logic and I/O voltages.
+1.25V—PCI-Express SerDes Analog Supply.
+2.5V—PCI-Express SerDes PLL Analog Supply.
Ground for AV
+2.5V—Filtered analog voltage for Ethernet PLLs.
Ground for EAV
+2.5V—Filtered analog voltage for system PLL.
Ground for SPAV
DD
DD
DD
and PAV
.
DD
.
or 8.2kΩ for PCI to OV
Description
DD
.
460EX – PPC460EX Embedded Processor
DD
DD
) or pull-down (recommended value is 1kΩ to
or equivalent.
DD
or equivalent.
I/O
na
na
na
na
na
na
na
na
na
na
na
na
na
na
Type
na
na
na
na
na
na
na
na
na
na
na
na
na
na
Notes
73