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MPC8349E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 10
Freescale Semiconductor
11
Power Characteristics
Table 5
shows the estimated typical I/O power dissipation for MPC8349E.
Table 5. MPC8349E Typical I/O Power Dissipation
Interface
Parameter
GV
DD
(1.8 V)
GV
DD
(2.5 V)
OV
DD
(3.3 V)
LV
DD
(3.3 V)
LV
DD
(2.5 V)
Unit
Comments
DDR I/O
65% utilization
2.5 V
Rs = 20
Ω
Rt = 50
Ω
2 pair of clocks
200 MHz, 32 bits
—
0.42
W
200 MHz, 64 bits
—
0.55
W
266 MHz, 32 bits
—
0.5
W
266 MHz, 64 bits
—
0.66
W
300 MHz, 32 bits
—
0.54
W
300 MHz, 64 bits
—
0.7
W
333 MHz, 32 bits
—
0.58
W
333 MHz, 64 bits
—
0.76
W
400 MHz, 32 bits
—
400 MHz, 64 bits
—
PCI I/O
load = 30 pF
33 MHz, 64 bits
0.08
W
66 MHz, 64 bits
0.14
W
33 MHz, 32 bits
0.04
W
Multiply by 2 if using 2 ports.
66 MHz, 32 bits
0.07
W
Local bus I/O
load = 25 pF
133 MHz, 32 bits
0.27
W
83 MHz, 32 bits
0.17
W
66 MHz, 32 bits
0.14
W
50 MHz, 32 bits
0.11
W
TSEC I/O
load = 25 pF
MII
0.01
W
Multiply by number of
interfaces used.
GMII or TBI
0.06
W
RGMII or RTBI
0.04
W
USB
12 MHz
0.01
W
Multiply by 2 if using 2 ports.
480 MHz
0.2
W
Other I/O
0.01
W