Revision 1.12 - Novenber 20, 2007
PPC405EX – PowerPC 405EX Embedded Processor
Preliminary 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)
CMOS supply (+2.5V)
GND
System ground.
AVDD
Logic Analog supply (+1.2V)
System analog supply (+2.5V).
System analog ground.
SAVDD
SAGND
EAVDD
EAGND
AHVDD
AGND
Ethernet analog supply (+2.5V).
Ethernet analog ground.
SerDes analog supply (+2.5V).
Analog ground.
Other
Reserved
Do not connect voltages, grounds, or signals to these pins.
na
na
na
AMCC Proprietary
45
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
