參數(shù)資料
型號： MPC8349ZUALFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672
封裝： 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672
文件頁數(shù)： 81/87頁
文件大小： 1037K
代理商： MPC8349ZUALFB
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.
Table 65 summarizes the signal impedance targets. The driver impedance are targeted at minimum VDD,
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
Note: Nominal supply voltages. See Table 1, Tj = 105°C.
相關(guān)PDF資料
PDF描述
MPC8349EZUAJFB 32-BIT, 533 MHz, MICROPROCESSOR, PBGA672
MPC8349ECZUAJDB 32-BIT, 533 MHz, MICROPROCESSOR, PBGA672
MPC8349EVVAJDA 32-BIT, 533 MHz, MICROPROCESSOR, PBGA672
MPC8349EVVAJD 32-BIT, 533 MHz, RISC PROCESSOR, PBGA672
MPC8349CVVAGD 32-BIT, 400 MHz, RISC PROCESSOR, PBGA672
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參數(shù)描述
MPC8358 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC⑩ II Pro Processor Revision 2.x TBGA Silicon Hardware Specifications
MPC8358CVRADDDA 功能描述:微處理器 - MPU 8358 PBGA NON-ENC NO-PB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8358CVRAGDDA 功能描述:微處理器 - MPU 8358 PBGA NON-ENC NO-PB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8358CVRAGDGA 功能描述:微處理器 - MPU 8358 PBGA NON-ENC NO-PB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8358CVVADDE 功能描述:微處理器 - MPU 8360 TBGA NON-ENC NO-PB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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