参数资料
型号: MPC5200VR466BR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 466 MHz, MICROPROCESSOR, PBGA272
封装: 27 X 27 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, BGA-272
文件页数: 65/80页
文件大小: 788K
代理商: MPC5200VR466BR2
MPC5200B Data Sheet, Rev. 0.6
System Design Information
Freescale Semiconductor
68
5
System Design Information
5.1
Power Up/Down Sequencing
Figure 51 shows situations in sequencing the I/O VDD (VDD_IO), Memory VDD (VDD_IO_MEM), PLL
VDD (PLL_AVDD), and Core VDD (VDD_CORE).
VDD_MEM_IO
-
VDD_CORE
-
VSS_IO/CORE
-
SYS_PLL_AVDD
-
CORE_PLL_AVDD
-
NOTES:
1
All “open drain” outputs of the MPC5200B are actually regular three-state output drivers with the output data tied
low and the output enable controlled. Thus, unlike a true open drain, there is a current path from the external
system to the MPC5200B I/O power rail if the external signal is driven above the MPC5200B I/O power rail voltage.
Table 52. MPC5200B Pinout Listing (continued)
Name
Alias
Type
Power Supply
Output Driver
Type
Input
Type
Pull-up/
down
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