IDT72V2113 Integrated Device Technology, IDT72V2113 Datasheet - Page 42

• Manufacturer Part Number: IDT72V2113
• Description: 256k X 18 / 512k X 9 Supersync Ii Fifo, 3.3v
• Manufacturer: Integrated Device Technology

TEST ACCESS PORT (TAP)
internal of the processor. It consists of four input ports (TCLK, TMS, TDI, TRST)
and one output port (TDO).
JTAG INTERFACE
support the JTAG boundary scan interface. The IDT72V2103/72V2113
incorporates the necessary tap controller and modified pad cells to implement
the JTAG facility.
program files for these devices.
IDT72V2103/72V2113 3.3V HIGH DENSITY SUPERSYNC II
IDT72V263/273/283/293/103/113 3.3V HIGH DENSITY SUPERSYNC II
8K x 18, 16K x 9/18, 32K x 9/18, 64K x 9/18, 128K x 9/18, 256K x 9/18, 512K x9
131,072 x 18/262,144 x 9, 262,144 x 18/524,288 x 9
The Tap interface is a general-purpose port that provides access to the
Five additional pins (TDI, TDO, TMS, TCK and TRST) are provided to
Note that IDT provides appropriate Boundary Scan Description Language
TDO
TDI
TMS
TCLK
TRST
T
A
P
Cont-
roller
TAP
clkDR, ShiftDR
clklR, ShiftlR
UpdatelR
UpdateDR
Figure 32. Boundary Scan Architecture
TM
NARROW BUS FIFO
Instruction Register
TM
Control Signals
NARROW BUS FIFO
42
DeviceID Reg.
Boundary Scan Reg.
Bypass Reg.
complete description refer to the IEEE Standard Test Access Port Specification
(IEEE Std. 1149.1-1990).
THE TAP CONTROLLER
TMS and TCLK signals to generate clock and control signals to the Instruction
and Data Registers for capture and update of data.
The Standard JTAG interface consists of four basic elements:
•
•
•
•
The following sections provide a brief description of each element. For a
The Figure below shows the standard Boundary-Scan Architecture
The Tap controller is a synchronous finite state machine that responds to
Test Access Port (TAP)
TAP controller
Instruction Register (IR)
Data Register Port (DR)
Instruction Decode
Mux
6119 drw35
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
APRIL 6, 2006