參數(shù)資料
型號(hào)： 440GR
廠商： Applied Micro Circuits Corp.
英文描述： Power PC 440GR Embedded Processor
中文描述： 440GR的Power PC嵌入式處理器
文件頁數(shù)： 43/82頁
文件大?。?/td> 527K
代理商： 440GR
48
AMCC Proprietary
Revision 1.16 – July 19, 2006
Preliminary Data Sheet
440GR – PPC440GR Embedded Processor
Signal Descriptions
The PPC440GR embedded controller is packaged in a 456-ball enhanced plastic ball grid array (E-PBGA). The
following tables describe the package level pinout.
In the table “Signal Functional Description” on page 50, each I/O signal is listed along with a short description of its
function. Active-low signals (for example, RAS) are marked with an overline. Please see “Signals Listed
Alphabetically” on page 17 for the pin (ball) number to which each signal is assigned.
Multiplexed Signals
Some signals are multiplexed on the same pin so that the pin can be used for different functions. In most cases,
the signal names shown in this table are not accompanied by signal names that may be multiplexed on the same
pin. If you need to know what, if any, signals are multiplexed with a particular signal, look up the name in “Signals
Listed Alphabetically” on page 17. It is expected that in any single application a particular pin will always be
programmed to serve the same function. The flexibility of multiplexing allows a single chip to offer a richer pin
selection than would otherwise be possible. The circuit type for multiplexed signals is shown as “Multiplex.” The
actual circuit type is the same as the primary signal.
Multipurpose Signals
In addition to multiplexing, some pins are also multi-purpose. For example, the EBC peripheral controller address
pins (PerAddr) are used as outputs by the PPC440GR to broadcast an address to external slave devices when the
PPC440GR has control of the external bus. When during the course of normal chip operation an external master
gains ownership of the external bus, these same pins are used as inputs which are driven by the external master
and received by the EBC in the PPC440GR. In this example, the pins are also bidirectional, serving both as inputs
and outputs.
Table 5. Pin Summary
Group
No. of Pins
Signal pins, non-multiplexed
221
Signal pins, multiplexed
62
Total Signal Pins
283
AVDD
1
SAVDD
1
SAGnd
1
AGnd
1
OVDD
18
SVDD
18
VDD
32
Gnd
80
Total Power Pins
152
Reserved
21
Total Pins
456
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440GS001NF2535-4 功能描述:環(huán)形MIL規(guī)格后蓋 CRIMIP RING ADPTR DC STRAIGHT RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產(chǎn)品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質(zhì):Aluminum Alloy
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440GS031B3314-4 制造商:Glenair Inc 功能描述:Shrink Boot Adapters 180° 33 Shell Size Olive Drab Cadmium Aluminum Direct 制造商:Glenair 功能描述:Shrink Boot Adapters 180° 33 Shell Size Olive Drab Cadmium Aluminum Direct
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