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1500457 Datasheet(PDF) 11 Page - Freescale Semiconductor, Inc

Part No. 1500457
Description  Integrated Host Processor Hardware Specifications
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

1500457 Datasheet(HTML) 11 Page - Freescale Semiconductor, Inc

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MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13
Freescale Semiconductor
11
Power Characteristics
Table 5 shows the estimated typical I/O power dissipation for MPC8349EA.
2 Typical power is based on a voltage of V
DD = 1.2 V, a junction temperature of TJ = 105°C, and a Dhrystone benchmark
application.
3 Thermal solutions may need to design to a value higher than typical power based on the end application, T
A target, and I/O
power.
4 Maximum power is based on a voltage of V
DD = 1.2 V, worst case process, a junction temperature of TJ =105°C, and an
artificial smoke test.
5 Typical power is based on a voltage of V
DD = 1.3 V, a junction temperature of TJ = 105°C, and a Dhrystone benchmark
application.
6 Maximum power is based on a voltage of V
DD = 1.3 V, worst case process, a junction temperature of TJ =105°C, and an
artificial smoke test.
Table 5. MPC8349EA Typical I/O Power Dissipation
Interface
Parameter
GVDD
(1.8 V)
GVDD
(2.5 V)
OVDD
(3.3 V)
LVDD
(3.3 V)
LVDD
(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
0.31
0.42
W
200 MHz, 64 bits
0.42
0.55
W
266 MHz, 32 bits
0.35
0.5
W
266 MHz, 64 bits
0.47
0.66
W
300 MHz, 32 bits
0.37
0.54
W
300 MHz, 64 bits
0.50
0.7
W
333 MHz, 32 bits
0.39
0.58
W
333 MHz, 64 bits
0.53
0.76
W
400 MHz, 32 bits
0.44
————
400 MHz, 64 bits
0.59
————
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
2ports.
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
2ports.
480 MHz
0.2
W
Other I/O
0.01
W


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