ep1sgx25d Altera Corporation, ep1sgx25d Datasheet - Page 190

• Manufacturer Part Number: ep1sgx25d
• Description: Stratix Gx Device Family Data Sheet
• Manufacturer: Altera Corporation

IEEE Std. 1149.1 (JTAG) Boundary-Scan Support
4–124
Stratix GX Device Handbook, Volume 1
Notes to
(1)
(2)
EP1SGX40
Table 4–35. 32-Bit Stratix GX Device IDCODE (Part 2 of 2)
Device
The most significant bit (MSB) is at the left end of the string.
The IDCODE’s least significant bit (LSB) is always 1.
Table
4–35:
Version (4 Bits)
0000
Figure 4–72
Figure 4–72. Stratix GX JTAG Waveforms
Table 4–36
devices.
t
t
t
t
Captured
Symbol
J C P
J C H
J C L
J P S U
Table 4–36. Stratix GX JTAG Timing Parameters & Values (Part 1 of 2)
Driven
Signal
Signal
to Be
to Be
TMS
TDO
TCK
TDI
0010 0000 0100 0101
Part Number (16 Bits)
TCK
TCK
TCK
JTAG port setup time
shows the JTAG timing parameters and values for Stratix GX
shows the timing requirements for the JTAG signals.
t
clock period
clock high time
clock low time
JCH
t
t
JPZX
JSZX
t
JCP
IDCODE (32 Bits)
t
JSSU
t
JCL
Parameter
t
JSH
t
t
JPCO
JSCO
Manufacturer Identity
(1)
000 0110 1110
t
JPSU
(11 Bits)
t
t
JSXZ
JPH
100
50
50
20
Min (ns) Max (ns)
Altera Corporation
LSB (1 Bit)
t
February 2005
JPXZ
1
(2)