IEEE Std. 1149.1 (JTAG) Boundary-Scan Support
Table 4–35. 32-Bit Stratix GX Device IDCODE (Part 2 of 2)
IDCODE (32 Bits) (1)
Device
Manufacturer Identity
(11 Bits)
Version (4 Bits)
Part Number (16 Bits)
LSB (1 Bit) (2)
EP1SGX40
0000
0010 0000 0100 0101
000 0110 1110
1
Notes to Table 4–35:
(1) The most significant bit (MSB) is at the left end of the string.
(2) The IDCODE’s least significant bit (LSB) is always 1.
Figure 4–72 shows the timing requirements for the JTAG signals.
Figure 4–72. Stratix GX JTAG Waveforms
TMS
TDI
tJCP
tJCH
t JCL
tJPH
tJPSU
TCK
TDO
tJPXZ
tJPZX
tJPCO
tJSSU
tJSH
Signal
to Be
Captured
tJSCO
tJSZX
tJSXZ
Signal
to Be
Driven
Table 4–36 shows the JTAG timing parameters and values for Stratix GX
devices.
Table 4–36. Stratix GX JTAG Timing Parameters & Values (Part 1 of 2)
Symbol
tJCP
Parameter
Min (ns) Max (ns)
100
50
TCKclock period
tJCH
TCKclock high time
TCKclock low time
JTAG port setup time
tJCL
50
tJPSU
20
4–124
Stratix GX Device Handbook, Volume 1
Altera Corporation
February 2005
ALTERA [ ALTERA CORPORATION ]
