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参数资料
| 型号： | MPC8349ECVVAGFB |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672 |
| 封装： | 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, TBGA-672 |
| 文件页数： | 81/87页 |
| 文件大小： | 1037K |
| 代理商： | MPC8349ECVVAGFB |
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MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12
82
Freescale Semiconductor
Ordering Information
V2 =(1 ÷ (1/R1 +1/R2)) × Isource. Solving for the output impedance gives Rsource = Rterm × (V1 ÷ V2 –1).
The drive current is then Isource =V1 ÷ Rsource.
nominal OVDD, 105°C.
21.6
Configuration Pin Multiplexing
The MPC8349EA power-on configuration options can be set through external pull-up or pull-down
resistors of 4.7 k
Ω on certain output pins (see the customer-visible configuration pins). These pins are used
as output only pins in normal operation.
However, while HRESET is asserted, these pins are treated as inputs, and the value on these pins is latched
when PORESET deasserts. Then the input receiver is disabled and the I/O circuit takes on its normal
function. Careful board layout with stubless connections to these pull-up/pull-down resistors coupled with
the large value of the pull-up/pull-down resistor should minimize the disruption of signal quality or speed
for the output pins.
21.7
Pull-Up Resistor Requirements
The MPC8349EA requires high resistance pull-up resistors (10 k
Ω is recommended) on open-drain pins,
including I2C pins, and IPIC interrupt pins.
For more information on required pull-up resistors and the connections required for the JTAG interface,
refer to application note AN2931, “PowerQUICC Design Checklist.”
22 Ordering Information
This section presents ordering information for the device discussed in this document, and it shows an
example of how the parts are marked.
NOTE
The information in this document is accurate for revision 3.x silicon and
later (in other words, for orderable part numbers ending in A or B). For
information on revision 1.1 silicon and earlier versions, see the MPC8349E
PowerQUICC II Pro Integrated Host Processor Hardware Specifications
(Document Order No. MPC8349EEC).
Table 65. Impedance Characteristics
Impedance
Local Bus, Ethernet,
DUART, Control,
Configuration, Power
Management
PCI Signals
(Not Including PCI
Output Clocks)
PCI Output Clocks
(Including
PCI_SYNC_OUT)
DDR DRAM
Symbol
Unit
RN
42 Target
25 Target
42 Target
20 Target
Z0
W
RP
42 Target
25 Target
42 Target
20 Target
Z0
W
Differential
NA
ZDIFF
W
相关PDF资料 |
PDF描述 |
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| MPC8349CVVAGFB | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672 |
| MPC8349ECZUALDB | 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672 |
| MPC8349CVVALFB | 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672 |
| MPC8349VVAGDB | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672 |
| MPC8349EVVAGFB | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC8349ECVVAJDB | 功能描述:微处理器 - MPU 8349 TBGA NO PB W/ ENC 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 |
| MPC8349ECVVAJFB | 功能描述:微处理器 - MPU 8349 TBGA NO-PB W/ ENCR 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 |
| MPC8349ECVVALDB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349ECVVALFB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349ECZUAGDB | 功能描述:微处理器 - MPU 8349 TBGA W/ ENCRYP 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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