參數(shù)資料
型號(hào): IDT72V51446L6BB
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 48/57頁
文件大?。?/td> 0K
描述: IC FLOW CTRL MULTI QUEUE 256-BGA
標(biāo)準(zhǔn)包裝: 1
類型: 多隊(duì)列流量控制
安裝類型: 表面貼裝
封裝/外殼: 256-BBGA
供應(yīng)商設(shè)備封裝: 256-BGA(17x17)
包裝: 托盤
其它名稱: 72V51446L6BB
52
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
IDT72V51436/72V51446/72V51456 3.3V, MULTI-QUEUE FLOW-CONTROL DEVICES
(16 QUEUES) 36 BIT WIDE CONFIGURATION 589,824, 1,179,648 and 2,359,296 bits
T
A
P
TAP
Cont-
roller
Mux
DeviceID Reg.
Boundary Scan Reg.
Bypass Reg.
clkDR, ShiftDR
UpdateDR
TDO
TDI
TMS
TCLK
TRST
clklR, ShiftlR
UpdatelR
Instruction Register
Instruction Decode
Control Signals
5935 drw36
JTAG INTERFACE
Five additional pins (TDI, TDO, TMS, TCK and
TRST) are provided to
support the JTAG boundary scan interface. The IDT72V51436/72V51446/
72V51456 incorporates the necessary tap controller and modified pad cells to
implementtheJTAG facility.
Note that IDT provides appropriate Boundary Scan Description Language
program files for these devices.
The Standard JTAG interface consists of four basic elements:
Test Access Port (TAP)
TAP controller
Instruction Register (IR)
Data Register Port (DR)
The following sections provide a brief description of each element. For a
completedescriptionrefertotheIEEEStandardTestAccessPortSpecification
(IEEE Std. 1149.1-1990).
The Figure below shows the standard Boundary-Scan Architecture
Figure 33. Boundary Scan Architecture
TEST ACCESS PORT (TAP)
The Tap interface is a general-purpose port that provides access to the
internaloftheprocessor. Itconsistsoffourinputports(TCLK,TMS,TDI,
TRST)
and one output port (TDO).
THE TAP CONTROLLER
The Tap controller is a synchronous finite state machine that responds to
TMS and TCLK signals to generate clock and control signals to the Instruction
and Data Registers for capture and update of data.
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