Electrical Characteristics
2.1.2
Power Supply Voltage Specification
provides the recommended operating conditions for the MPC8349EA. Note that the values in
are the recommended and tested operating conditions. Proper device operation outside these
conditions is not guaranteed.
Table 2. Recommended Operating Conditions
Parameter
Core supply voltage for 667-MHz core frequency
Core supply voltage
PLL supply voltage for 667-MHz core frequency
PLL supply voltage
DDR and DDR2 DRAM I/O voltage
Three-speed Ethernet I/O supply voltage
Three-speed Ethernet I/O supply voltage
PCI, local bus, DUART, system control and power
management, I
2
C, and JTAG I/O voltage
1
Symbol
V
DD
V
DD
AV
DD
AV
DD
GV
DD
LV
DD1
LV
DD2
OV
DD
Recommended
Value
1.3 V ± 60 mV
1.2 V ± 60 mV
1.3 V ± 60 mV
1.2 V ± 60 mV
2.5 V ± 125 mV
1.8 V ± 90 mV
3.3 V ± 330 mV
2.5 V ± 125 mV
3.3 V ± 330 mV
2.5 V ± 125 mV
3.3 V ± 330 mV
Unit
V
V
V
V
V
V
V
V
Notes
1
1
1
1
—
—
—
—
Note:
GV
DD
, LV
DD
, OV
DD
, AV
DD
, and V
DD
must track each other and must vary in the same direction—either in the positive or
negative direction.
shows the undershoot and overshoot voltages at the interfaces of the MPC8349EA.
G/L/OV
DD
+ 20%
G/L/OV
DD
+ 5%
V
IH
G/L/OV
DD
GND
GND – 0.3 V
V
IL
GND – 0.7 V
Not to Exceed 10%
of t
interface1
Note:
1. t
interface
refers to the clock period associated with the bus clock interface.
Figure 2. Overshoot/Undershoot Voltage for GV
DD
/OV
DD
/LV
DD
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13
8
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
