EP1C4 ALTERA [Altera Corporation], EP1C4 Datasheet - Page 65

• Manufacturer Part Number: EP1C4
• Description: Cyclone FPGA Family Data Sheet
• Manufacturer: ALTERA [Altera Corporation]

Altera Corporation
January 2007
Notes to
(1)
(2)
EP1C3
EP1C4
EP1C6
EP1C12
EP1C20
Table 3–3. 32-Bit Cyclone Device IDCODE
Device
The most significant bit (MSB) is on the left.
The IDCODE’s least significant bit (LSB) is always 1.
Table
Version (4 Bits)
3–3:
0000
0000
0000
0000
0000
The Cyclone device instruction register length is 10 bits and the
USERCODE register length is 32 bits.
boundary-scan register length and device IDCODE information for
Cyclone devices.
Table 3–2. Cyclone Boundary-Scan Register Length
0010 0000 1000 0001
0010 0000 1000 0101
0010 0000 1000 0010
0010 0000 1000 0011
0010 0000 1000 0100
Part Number (16 Bits)
EP1C12
EP1C20
EP1C3
EP1C4
EP1C6
Device
IDCODE (32 bits)
IEEE Std. 1149.1 (JTAG) Boundary Scan Support
Manufacturer Identity
(1)
000 0110 1110
000 0110 1110
000 0110 1110
000 0110 1110
000 0110 1110
Tables 3–2
Boundary-Scan Register Length
(11 Bits)
and
339
930
582
774
930
3–3
show the
LSB (1 Bit)
Preliminary
1
1
1
1
1
(2)
3–3