参数资料
型号: MPC8245RVV400D
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA352
封装: 35 X 35 MM, 1.70 MM HEIGHT, 1.27 MM PITCH, CAVITY-UP, TBGA-352
文件页数: 59/60页
文件大小: 674K
代理商: MPC8245RVV400D
8
MPC8245 Integrated Processor Hardware Specications
MOTOROLA
Electrical and Thermal Characteristics
Figure 2 shows supply voltage sequencing and separation cautions.
Figure 2. Supply Voltage Sequencing and Separation Cautions
OVDD/GVDD/(LVDD @ 3.3 V - - - -)
VDD/AVDD/AVDD2
LVDD @ 5 V
Time
3.3 V
5 V
2.0 V
0
7
10
9
10
6, 8
DC
P
o
w
er
Supply
V
oltage
Voltage
Regulator
Delay 2
Reset
Configuration Pins
HRST_CPU,
HRST_CTRL
PLL
Relock
Time 3
100 s
9 External Memory
Asserted 255
External Memory
HRST_CPU,
HRST_CTRL
VDD Stable
Power Supply Ramp Up 2
See Note 1
Clock Cycles 3
Clock Cycles Setup Time 4
VM = 1.4 V
Maximum Rise Time Must Be Less Than
One External Memory Clock Cycle 5
Notes:
1. Numbers associated with waveform separations correspond to caution numbers listed in Table 2.
2. Refer to Section 1.7.2, “Power Supply Sizing,” for additional information on this topic.
3. Refer to Table 8 for additional information on PLL relock and reset signal assertion timing
requirements.
4. Refer to Table 10 for additional information on reset conguration pin setup timing requirements.
5. HRST_CPU/HRST_CTRL must transition from a logic 0 to a logic 1 in less than one
SDRAM_SYNC_IN clock cycle for the device to be in the nonreset state.
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