MAX 3000A Programmable Logic Device Family Data Sheet
The instruction register length of MAX 3000A devices is 10 bits. The
IDCODE and USERCODE register length is 32 bits. Tables 8 and 9 show
the boundary–scan register length and device IDCODE information for
MAX 3000A devices.
Table 8. MAX 3000A Boundary–Scan Register Length
Device
Boundary–Scan Register Length
EPM3032A
EPM3064A
EPM3128A
EPM3256A
EPM3512A
96
192
288
480
624
Table 9. 32–Bit MAX 3000A Device IDCODE Value Note (1)
Device
IDCODE (32 bits)
Version
(4 Bits)
Part Number (16 Bits) Manufacturer’s 1 (1 Bit)
Identity (11 Bits)
(2)
EPM3032A
EPM3064A
EPM3128A
EPM3256A
EPM3512A
0001
0001
0001
0001
0001
0111 0000 0011 0010 00001101110
0111 0000 0110 0100 00001101110
0111 0001 0010 1000 00001101110
0111 0010 0101 0110 00001101110
0111 0101 0001 0010 00001101110
1
1
1
1
1
Notes:
(1) The most significant bit (MSB) is on the left.
(2) The least significant bit (LSB) for all JTAG IDCODEs is 1.
See Application Note 39 (IEEE 1149.1 (JTAG) Boundary–Scan Testing in Altera
Devices) for more information on JTAG BST.
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18
Altera Corporation
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