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參數(shù)資料
| 型號(hào)： | GS8171DW72AGC-350IT |
| 廠商： | GSI TECHNOLOGY |
| 元件分類： | SRAM |
| 英文描述： | 256K X 72 STANDARD SRAM, 1.7 ns, PBGA209 |
| 封裝： | 14 X 22 MM, 1 MM PITCH, LEAD FREE, BGA-209 |
| 文件頁數(shù)： | 16/33頁 |
| 文件大小： | 1041K |
| 代理商： | GS8171DW72AGC-350IT |
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GS8171DW36/72AC-350/333/300/250
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.04 4/2005
23/33
2003, GSI Technology
JTAG TAP Block Diagram
Identification (ID) Register
The ID Register is a 32-bit register that is loaded with a device and vendor specific 32-bit code when the controller is put in
Capture-DR state with the IDCODE command loaded in the Instruction Register. The code is loaded from a 32-bit on-chip ROM.
It describes various attributes of the RAM as indicated below. The register is then placed between the TDI and TDO pins when the
controller is moved into Shift-DR state. Bit 0 in the register is the LSB and the first to reach TDO when shifting begins.
Instruction Register
ID Code Register
Boundary Scan Register
0
1
2
0
31 30 29
1
2
0
Bypass Register
TDI
TDO
TMS
TCK
Test Access Port (TAP) Controller
108
1
0
Control Signals
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