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| 型号： | MC8610TPX1066JB |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 74/96页 |
| 文件大小： | 0K |
| 描述： | MPU E600 CORE 1066MHZ 783-PBGA |
| 标准包装： | 36 |
| 系列： | MPC86xx |
| 处理器类型： | 32-位 MPC86xx PowerPC |
| 速度： | 1.066GHz |
| 电压： | 1V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 783-BBGA，FCBGA |
| 供应商设备封装： | 783-FCPBGA（29x29） |
| 包装： | 托盘 |
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MPC8610 Integrated Host Processor Hardware Specifications, Rev. 2
Hardware Design Considerations
Freescale Semiconductor
76
3.2
Power Supply Design and Sequencing
3.2.1
PLL Power Supply Filtering
Each of the PLLs listed above is provided with power through independent power supply pins (AVDD_Plat, AVDD_Core,
AVDD_PCI, and SDnAVDD, respectively). The AVDD level should always be equivalent to VDD, and preferably these voltages
will be derived directly from VDD through a low frequency filter scheme such as the following.
There are a number of ways to reliably provide power to the PLLs, but the recommended solution is to provide independent
filter circuits per PLL power supply, one to each of the AVDD type pins. By providing independent filters to each PLL the
opportunity to cause noise injection from one PLL to the other is reduced.
This circuit is intended to filter noise in the PLLs resonant frequency range from a 500 kHz to 10 MHz range. It should be built
with surface mount capacitors with minimum effective series inductance (ESL). Consistent with the recommendations of
Dr. Howard Johnson in High Speed Digital Design: A Handbook of Black Magic (Prentice Hall, 1993), multiple small
capacitors of equal value are recommended over a single large value capacitor.
Each circuit should be placed as close as possible to the specific AVDD type pin being supplied to minimize noise coupled from
nearby circuits. It should be possible to route directly from the capacitors to the AVDD type pin, which is on the periphery of
783 FC-PBGA the footprint, without the inductance of vias.
Figure 48. MPC8610 PLL Power Supply Filter Circuit (for Platform)
Figure 49. MPC8610 PLL Power Supply Filter Circuit (for Core)
The SDnAVDD signals provide power for the analog portions of the SerDes PLLs. To ensure stability of the internal clock, the
power supplied to the PLL is filtered using a circuit similar to the one shown in Figure 50. For maximum effectiveness, the filter
circuit is placed as closely as possible to the SDnAVDD balls to ensure it filters out as much noise as possible. The ground
connection should be near the SDnAVDD balls. The 0.003-F capacitor is closest to the balls, followed by the two 2.2-F
capacitors, and finally the 1 ohm resistor to the board supply plane. The capacitors are connected from SDnAVDD to the ground
plane. Use ceramic chip capacitors with the highest possible self-resonant frequency. All traces should be kept short, wide and
direct.
Figure 50. SerDes PLL Power Supply Filter
2.2 F
GND
Low ESL Surface Mount Capacitors
10
Ω
AVDD_Plat
VDD_PLAT
VDD_Core
AVDD_Core
2.2 F
GND
Low ESL Surface Mount Capacitors
10
Ω
2.2 F 1
0.003 F
GND
1.0
Ω
SD
nAVDD
1. An 0805 sized capacitor is recommended for system initial bring-up.
SVDD
2.2 F 1
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相关代理商/技术参数 |
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|---|---|
| MC8610TPX1066JZ | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:MPC8610 Integrated Host Processor Hardware Specifications |
| MC8610TPX1067G | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MC8610TPX1067J | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MC8610TPX800G | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MC8610TPX800GB | 功能描述:微处理器 - MPU REV 1.1 8610 1.0V -40C RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
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