Altera Corporation
19
MAX 7000A Programmable Logic Device Data Sheet
The instruction register length of MAX 7000A devices is 10 bits. The user
electronic signature (UES) register length in MAX 7000A devices is 16 bits.
The MAX 7000AE USERCODE register length is 32 bits.
Tables 6 and
7show the boundary-scan register length and device IDCODE information
for MAX 7000A devices.
Notes:
(1)
The most significant bit (MSB) is on the left.
(2)
The least significant bit (LSB) for all JTAG IDCODEs is 1.
f SeeApplicationNote39(IEEE1149.1(JTAG)Boundary-ScanTestinginAltera Devices) for more information on JTAG BST.
Table 6. MAX 7000A Boundary-Scan Register Length
Device
Boundary-Scan Register Length
EPM7032AE
96
EPM7064AE
192
EPM7128A
288
EPM7128AE
288
EPM7256A
480
EPM7256AE
480
EPM7512AE
624
Table 7. 32-Bit MAX 7000A Device IDCODE
Device
IDCODE (32 Bits)
Version
(4 Bits)
Part Number (16 Bits)
Manufacturer’s
Identity (11 Bits)
1 (1 Bit)
EPM7032AE
0001
0111 0000 0011 0010
00001101110
1
EPM7064AE
0001
0111 0000 0110 0100
00001101110
1
EPM7128A
0000
0111 0001 0010 1000
00001101110
1
EPM7128AE
0001
0111 0001 0010 1000
00001101110
1
EPM7256A
0000
0111 0010 0101 0110
00001101110
1
EPM7256AE
0001
0111 0010 0101 0110
00001101110
1
EPM7512AE
0001
0111 0101 0001 0010
00001101110
1