參數(shù)資料
型號: GS88237AB-225I
廠商: GSI TECHNOLOGY
元件分類: SRAM
英文描述: 256K x 36 9Mb Synchronous Burst SRAMs
中文描述: 256K X 36 CACHE SRAM, 2.2 ns, PBGA119
封裝: PLASTIC, BGA-119
文件頁數(shù): 13/28頁
文件大?。?/td> 743K
代理商: GS88237AB-225I
GS88237AB-250/225/200/166/150/133
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.02 11/2004
20/28
2002, 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
相關(guān)PDF資料
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GS88237AB-250 256K x 36 9Mb Synchronous Burst SRAMs
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