參數(shù)資料
型號: MPC8544EAVTAQG
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA783
封裝: 29 X 29 MM, 1 MM PITCH, LEAD FREE, PLASTIC, FC-PBGA-783
文件頁數(shù): 34/128頁
文件大?。?/td> 1411K
代理商: MPC8544EAVTAQG
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1
Freescale Semiconductor
13
Power Characteristics
3
Power Characteristics
The estimated typical core power dissipation for the core complex bus (CCB) versus the core frequency
for this family of PowerQUICC III devices is shown in Table 4.
Because I/O usage varies from design to design, power dissipation estimates for the I/O supplies are
provided in Table 5.
Table 4. MPC8544 Core Power Dissipation
Power Mode
Core Frequency
(MHz)
Platform
Frequency (MHz)
VDD
(V)
Junction
Temperature (
°C)
Power
(W)
Notes
Typical
667
333
1.0
65
2.6
1, 2
Thermal
105
4.5
1, 3
Maximum
7.15
1, 4
Typical
800
400
1.0
65
2.9
1, 2
Thermal
105
4.8
1, 3
Maximum
7.35
1, 4
Typical
1000
400
1.0
65
3.6
1, 2
Thermal
105
5.3
1, 3
Maximum
7.5
1, 4
Notes:
1. These values specify the power consumption at nominal voltage and apply to all valid processor bus frequencies
and configurations. The values do not include power dissipation for I/O supplies.
2. Typical power is an average value measured at the nominal recommended core voltage (VDD) and 65°C junction
temperature (see Table 2) while running the Dhrystone 2.1 benchmark.
3. Thermal power is the average power measured at nominal core voltage (VDD) and maximum operating junction
temperature (see Table 2) while running the Dhrystone 2.1 benchmark.
4. Maximum power is the maximum power measured at nominal core voltage (VDD) and maximum operating junction
temperature (see Table 2) while running a smoke test which includes an entirely L1-cache-resident, contrived
sequence of instructions which keep the execution unit maximally busy.
Table 5. MPC8544E Estimated I/O Power Dissipation
Interface
Parameters
1.0 V
(XVDD)
1.8 V
(GVDD)
2.5 V
(B/G/LVDD)
3.3 V
(B/L/OVDD)
Comments
DDR
333 MHz data
0.38 W
0.73 W
400 MHz data
0.46 W
533 MHz data
0.60 W
PCI Express
x4, 2.5 G-baud
0.36 W
PCI
32-bit, 66 MHz
0.07 W
Power per PCI
port
32-bit, 33 MHz
0.04 W
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