参数资料
型号: MPC8240LZU200X
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA352
封装: 35 X 35 MM, 1.65 MM HEIGHT, 1.27 MM PITCH, TBGA-352
文件页数: 56/58页
文件大小: 596K
代理商: MPC8240LZU200X
MPC8240 Integrated Processor Hardware Specications
7
Electrical and Thermal Characteristics
Figure 2 shows the supply voltage sequencing and separation cautions.
Figure 2. Supply Voltage Sequencing and Separation Cautions
OVdd/GVdd/(LVdd@3.3V - - - -)
Vdd/AVdd/AVdd2/LAVdd
LVdd@5V
Time
3.3V
5V
2.5V
0
7
10
9
10
6,8
DC
P
o
w
er
Supply
V
oltage
Voltage
Regulator
Delay2
Reset
Configuration Pins
HRST_CPU &
HRST_CTRL
PLL
Relock
Time3
100 s
9 external memory
asserted 255
external memory
HRST_CPU &
HRST_CTRL
Vdd Stable
Power Supply Ramp Up2
See Note 1 below.
clock cycles3
clock cycles setup time4
VM = 1.4 V
Maximum rise time must be less than
one external memory clock cycle5
Notes:
1
Numbers associated with waveform separations correspond to caution numbers listed in Table 2.
2
Refer to Section 1.7.2, “Power Supply Voltage Sequencing” for additional information on this topic.
3
Refer to Table 7 for additional information on PLL Relock and reset signal assertion timing require-
ments.
4
Refer to Table 8 for additional information on reset conguration pin setup timing requirements.
5
For the device to be in the non-reset state, HRST_CPU/HRST_CTRL must transition from a logic 0
to a logic 1 in less than one SDRAM_SYNC_IN clock cycle.
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