Revision 1.23 - January 28, 2009
PPC405EX – PowerPC 405EX Embedded Processor
Data Sheet
Table 6. Signal Functional Description (Sheet 7 of 7)
Notes:
1. Receiver input has hysteresis.
2. Must pull up. See “Pull-Up and Pull-Down Resistors” on page 38 for recommended termination values.
3. Must pull down. See “Pull-Up and Pull-Down Resistors” on page 38 for recommended termination values.
4. If not used, must pull up.
5. If not used, must pull down.
6. Strapping input during reset; pull up or pull down as required.
Signal Name
Description
I/O
Type
Notes
Power
VDD
Logic Supply (+1.2V).
I/O Supply (+3.3V).
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
na
OVDD
SVDD
EOVDD
DDR1/2 SDRAM Supply (+2.5V or +1.8V)
Ethernet I/O Supply (+2.5V)
GND
Ground.
SAVDD
System PLL Analog Supply (+2.5V).
System PLL Analog Ground.
SAGND
EAVDD
Ethernet PLL Analog Supply (+2.5V).
Ethernet PLL Analog Ground.
EAGND
AVDD
PCI-Express SerDes Analog Supply (+1.2V)
PCI-Express SerDes PLL Analog Supply (+2.5V).
PCI-Express Analog Ground (for AHVDD and AVDD)
AHVDD
.
AGND
Other
Reserved
Do not connect voltages, grounds, or signals to these pins.
na
na
na
AMCC Proprietary
45
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
