參數資料
型號: MPC8358ECZQAGDGA
廠商: Freescale Semiconductor
文件頁數: 92/95頁
文件大?。?/td> 0K
描述: MPU POWERQUICC II PRO 668-PBGA
標準包裝: 36
系列: MPC83xx
處理器類型: 32-位 MPC83xx PowerQUICC II Pro
速度: 400MHz
電壓: 1.2V
安裝類型: 表面貼裝
封裝/外殼: 668-BBGA 裸露焊盤
供應商設備封裝: 668-PBGA-PGE(29x29)
包裝: 托盤
MPC8358E PowerQUICC II Pro Processor Revision 2.1 PBGA Silicon Hardware Specifications, Rev. 3
92
Freescale Semiconductor
Ordering Information
24.6
Configuration Pin Muxing
The device provides the user with power-on configuration options that can be set through the use of
external pull-up or pull-down resistors of 4.7 k
Ω on certain output pins (see customer visible configuration
pins). These pins are generally used as output only pins in normal operation.
While HRESET is asserted however, these pins are treated as inputs. The value presented on these pins
while HRESET is asserted, is latched when HRESET deasserts, at which time 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 output pins thus configured.
24.7
Pull-Up Resistor Requirements
The device requires high resistance pull-up resistors (10 k
Ω is recommended) on open drain type pins
including I2C pins, Ethernet Management MDIO pin, and EPIC interrupt pins.
For more information on required pull-up resistors and the connections required for the JTAG interface,
see MPC8360E/MPC8358E PowerQUICC Design Checklist (AN3097).
25 Ordering Information
25.1
Part Numbers Fully Addressed by this Document
Table 78 provides the Freescale part numbering nomenclature for the MPC8358E. Note that the individual
part numbers correspond to a maximum processor core frequency. For available frequencies, contact your
local Freescale sales office. In addition to the processor frequency, the part numbering scheme also
Differential
NA
ZDIFF
W
Note: Nominal supply voltages. See Table 1, TJ = 105°C.
Table 77. Impedance Characteristics (continued)
Impedance
Local Bus, Ethernet, DUART,
Control, Configuration, Power
Management
PCI
DDR DRAM
Symbol
Unit
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