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參數(shù)資料
| 型號： | PXA210 |
| 廠商： | Intel Corp. |
| 英文描述： | Intel-R PXA250 and PXA210 Applications Processors |
| 中文描述： | 英特爾- R的PXA250和PXA210應(yīng)用處理器 |
| 文件頁數(shù)： | 9/46頁 |
| 文件大小： | 431K |
| 代理商： | PXA210 |
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Electrical, Mechanical, and Thermal Specification
—
PXA250 and PXA210
Datasheet
9
3.1.1
Functional Signal Definitions
3.1.1.1
PXA250 Signal Pin Descriptions
Signal definitions for the PXA250 applications processor are described in Table 2,
“
Pin and Signal
Descriptions for the PXA250 Applications Processor
”
on page 9. The physical characteristics of
the PXA250 applications processor are shown in Figure 2,
“
PXA250 Applications Processor
”
on
page 16. The pinout for the PXA250 applications processor is described in Table 3,
“
PXA250 256-
Lead 17x17mm mBGA Pinout
—
Ballpad Number Order
”
on page 17.
Table 2. Pin and Signal Descriptions for the PXA250 Applications Processor (Sheet 1 of 7)
Name
Type
Description
Memory Controller Pins
MA[25:0]
OCZ
Memory address bus. This bus signals the address requested for memory
accesses.
MD[15:0]
ICOCZ
Memory data bus. D[15:0] are used for 16-bit data mode.
MD[31:16]
ICOCZ
Memory data bus. D[31:16]: These data bits are used for the PXA250 applications
processor 32-bit memories and are not pinned out for the PXA210 applications
processor, 16-bit package option.
nOE
OCZ
Memory output enable. This signal should be connected to the output enables of
memory devices to control their data bus drivers.
nWE
OCZ
Memory write enable. Connect this signal should to the write enables of memory
devices.
nSDCS[3:0]
OCZ
SDRAM CS for banks 0 through 3. Connect these signals to the chip select (CS)
pins for SDRAM. nSDCS0 is three-stateable nSDCS1-3 are not
DQM[3:0]
OCZ
SDRAM DQM for data bytes 0 through 3. Connect these signals to the data output
mask enables (DQM) for SDRAM.
nSDRAS
OCZ
SDRAM RAS. Connect this signal should to the row address strobe (RAS) pins for
all banks of SDRAM.
nSDCAS
OCZ
SDRAM CAS. Connect this signal should to the column address strobe (CAS)
pins for all banks of SDRAM.
SDCKE[0]
OC
SDRAM and/or Synchronous Static Memory clock enable.
Connect SDCKE[0] to the CKE pins of SMROM and SDRAM-timing Synchronous
Flash.
The memory controller provides control register bits for deassertion of each
SDCKE pin.
SDCKE[1]
OC
SDRAM and/or Synchronous Static Memory clock enable.
Connect SDCKE[1] to the SDRAM clock enable pins. It is de-asserted (held low)
during sleep. SDCKE[1] is always deasserted upon reset.
The memory controller provides control register bits for deassertion of each
SDCKE pin.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PXA210B2C200 | 制造商:Intel 功能描述:IC, MPU, PXA210, 32-BIT, 200MHZ, TPBGA225 |
| PXA250 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Intel-R PXA250 and PXA210 Applications Processors |
| PXA250B2C400 | 制造商:Intel 功能描述:Microprocessor, 32 Bit, 256 Pin, Plastic, BGA |
| PXA250C0C400 | 制造商:Intel 功能描述:IC,MICROPROCESSOR,32-BIT,CMOS,BGA,256PIN,PLASTIC |
| PXA255 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:PXA255 Processor |
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