JTAG and In-System Programmability
The MAX II device instruction register length is 10 bits and the USERCODE
register length is 32 bits. Tables 3–2 and 3–3 show the boundary-scan
register length and device IDCODEinformation for MAX II devices.
Table 3–2. MAX II Boundary-Scan Register Length
Device
Boundary-Scan Register Length
EPM240
EPM570
240
480
636
816
EPM1270
EPM2210
Table 3–3. 32-Bit MAX II Device IDCODE
Binary IDCODE (32 Bits) (1)
Device
HEX IDCODE
Version
(4 Bits)
Manufacturer
Identity (11 Bits)
LSB
(1 Bit) (2)
Part Number
EPM240
EPM240G
0000
0000
0000
0000
0010 0000 1010 0001
000 0110 1110
000 0110 1110
000 0110 1110
000 0110 1110
1
1
1
1
0x020A10DD
0x020A20DD
0x020A30DD
0x020A40DD
EPM570
EPM570G
0010 0000 1010 0010
0010 0000 1010 0011
0010 0000 1010 0100
EPM1270
EPM1270G
EPM2210
EPM2210G
EPM240Z
EPM570Z
0000
0000
0010 0000 1010 0101
0010 0000 1010 0110
000 0110 1110
000 0110 1110
1
1
0x020A50DD
0x020A60DD
Notes to Table 3–2:
(1) The most significant bit (MSB) is on the left.
(2) The IDCODE’s least significant bit (LSB) is always 1.
f
f
For JTAG AC characteristics, refer to the DC and Switching Characteristics
chapter in the MAX II Device Handbook.
For more information about JTAG BST, refer to the IEEE 1149.1 (JTAG)
Boundary-Scan Testing for MAX II Devices chapter in the MAX II Device
Handbook.
Altera Corporation
December 2007
Core Version a.b.c variable
3–3
MAX II Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
