参数资料
型号: MC8641HX1333NC
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, CBGA1023
封装: 33 X 33 MM, CERAMIC, BGA-1023
文件页数: 28/140页
文件大小: 1484K
代理商: MC8641HX1333NC
MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
123
System Design Information
Figure 63 and Figure 64 show the PLL power supply filter circuits for the platform and cores, respectively.
Figure 63. MPC8641 PLL Power Supply Filter Circuit (for platform and Local Bus)
Figure 64. MPC8641 PLL Power Supply Filter Circuit (for cores)
The AVDD_SRDSn signals provide power for the analog portions of the SerDes PLL. To ensure stability
of the internal clock, the power supplied to the PLL is filtered using a circuit similar to the one shown in
following figure. For maximum effectiveness, the filter circuit is placed as closely as possible to the
AVDD_SRDSn balls to ensure it filters out as much noise as possible. The ground connection should be
near the AVDD_SRDSn balls. The 0.003-F capacitor is closest to the balls, followed by the two 2.2-F
capacitors, and finally the 1
Ω resistor to the board supply plane. The capacitors are connected from
AVDD_SRDSn 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 65. SerDes PLL Power Supply Filter
Note the following:
AVDD_SRDSn should be a filtered version of SVDD.
Signals on the SerDes interface are fed from the SVDD power plan.
2.2 F
GND
Low ESL Surface Mount Capacitors
10
Ω
AVDD_PLAT, AVDD_LB;
VDD_PLAT
VDD_Core0/1
AVDD_Core0/1
2.2 F
GND
Low ESL Surface Mount Capacitors
10
Ω
Filter Circuit (should not be used for Single core device)
Note: For single core device the filter circuit (in the dashed box) should
be removed and AVDD_Core1 should be tied to ground with a weak
(2-10 k
Ω) pull-down resistor.
2.2 F 1
0.003 F
GND
1.0
Ω
AVDD_SRDSn
1. An 0805 sized capacitor is recommended for system initial bring-up.
SVDD
2.2 F 1
相关PDF资料
PDF描述
MC68HC16Z3MPV20 16-BIT, MROM, 20.98 MHz, MICROCONTROLLER, PQFP144
MCCK16Z4CFC16B1 16-BIT, 25.17 MHz, MICROCONTROLLER, PQFP132
M30260F3TGP-U3 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP48
M30280F6HP-U9 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
M30280FAHP-D9 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
相关代理商/技术参数
参数描述
MC8641HX1500G 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1500H 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1500J 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1500K 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1500KB 功能描述:微处理器 - MPU G8 REV2.0 1.1V 105C 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