參數(shù)資料
型號: 160V
廠商: Lattice Semiconductor Corporation
英文描述: In-System Programmable 3.3V Generic Digital CrosspointTM
中文描述: 在系統(tǒng)可編程3.3V的通用數(shù)字CrosspointTM
文件頁數(shù): 26/37頁
文件大小: 464K
代理商: 160V
26
Specifications
ispGDX160V/VA
Boundary Scan
The ispGDXV/VA devices provide IEEE1149.1a test
capability and ISP programming through a standard
Boundary Scan Test Access Port (TAP) interface.
The boundary scan circuitry on the ispGDXV/VA Family
operates independently of the programmed pattern. This
allows customers using boundary scan test to have full
test capability with only a single BSDL file.
The ispGDXV/VA devices are identified by the 32-bit
JTAG IDCODE register. The device ID assignments are
listed in Table 4.
Table 3. I/O Shift Register Order
Figure 10. Boundary Scan Register Circuit for I/O Pins
Normal
Function
OE
EXTEST
Update DR
SCANOUT
(to next cell)
Clock DR
SCANIN
(from previous
cell
Shift DR
Normal
Function
TOE
D
Q
D
Q
D
Q
D
Q
D
Q
I/O Pin
Reset
BSCAN
Registers
BSCAN
Latches
HIGHZ
0
1
0
1
PROG_MODE
EXTEST
I/O Shift Reg Order/ispGDXVA
ispGDX160V/VA
TDI, TOE, Y2, Y3,
RESET
, Y1, Y0, I/O B20 .. B39, I/O C0 .. C39, I/O D0 .. D19, I/O B19 .. B0,
I/O A39.. A0, I/O D39 .. D20, TDO
I/O SHIFT REGISTER ORDER
DEVICE
Table 4. ispGDX160V/VA Device ID Codes
ID Code/GDX160V/VA
ispGDX160V
ispGDX160VA
0000, 0000, 0011, 0101, 0011, 0000, 0100, 0011
0001, 0000, 0011, 0101, 0011, 0000, 0100, 0011
32-BIT BOUNDARY SCAN ID CODE
DEVICE
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