參數(shù)資料
型號(hào)： IBM25PPC405GP-3BE133C
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, 133.33 MHz, RISC PROCESSOR, PBGA456
封裝： 35 X 35 MM, ENHANCED, PLASTIC, BGA-456
文件頁(yè)數(shù)： 26/60頁(yè)
文件大?。?/td> 1480K
代理商： IBM25PPC405GP-3BE133C
PowerPC 405GP Embedded Processor Data Sheet
Page 32 of 60
6/20/03
Signal List
The following table provides a summary of the number of package pins associated with each functional
interface group.
Multiplexed Pins
In the table “Signal Functional Description” on page 34, each external signal is listed along with a description
of the signal function. Some signals are multiplexed on the same pin (ball) so that the pin can be used for
different functions. Multiplexed signals are shown as a default signal with a secondary signal in square
brackets (for example, GPIO1[TS1E]). Active-low signals (for example, RAS) are marked with an overline.
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.
In addition to multiplexing, many pins are also multi-purpose. For example, the EBC peripheral controller
address pins are used as outputs by the PPC405GP to broadcast an address to external slave devices when
the PPC405GP 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 PPC405GP. In this example, the pins are also bidirectional,
serving as both inputs and outputs.
Intialization Strapping
One group of pins is used as strapped inputs during system reset. These pins function as strapped inputs
only during reset and are used for other functions during normal operation (see “Strapping” on page 56). Note
Pin Summary
Group
No. of Pins
413-Ball package
456-Ball Package
25 mm
35 mm
27mm
PCI
60
Ethernet
18
SDRAM
71
External peripheral
96
External master
9
Internal peripheral
15
Interrupts
7
JTAG
555
System
19
Total Signal Pins
300
OVDD
38
32
24
VDD
22
24
Gnd
26
60
56
Thermal (and Gnd)
15
36
Reserved
12
4
16
Total Pins
413
456
相關(guān)PDF資料
PDF描述
IBM25PPC405GPR-3BA333CZ 32-BIT, 333 MHz, RISC PROCESSOR, PBGA456
IBM25PPC405GPR3DB400Z 32-BIT, 400 MHz, RISC PROCESSOR, PBGA456
IBM25PPC405GPR3BB400Z 32-BIT, 400 MHz, RISC PROCESSOR, PBGA456
IBM25PPC405GPR3DB266 32-BIT, 266 MHz, RISC PROCESSOR, PBGA456
IBM25PPC603E-BX-133X 32-BIT, 133 MHz, RISC PROCESSOR, CBGA255
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IBM25PPC405GP-3BE200C 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:MICROPROCESSOR|32-BIT|CMOS|BGA|456PIN|PLASTIC
IBM25PPC405GP3BE200CZ 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:MICROPROCESSOR|32-BIT|CMOS|BGA|456PIN|PLASTIC
IBM25PPC405GP-3BE266C 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:MICROPROCESSOR|32-BIT|CMOS|BGA|456PIN|PLASTIC
IBM25PPC405GP3BE266CZ 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:MICROPROCESSOR|32-BIT|CMOS|BGA|456PIN|PLASTIC
IBM25PPC405GP-3DE200C 制造商:IBM 功能描述:Microprocessor, 32 Bit, 456 Pin, Plastic, BGA
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