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EP1C12F100I8ES Datasheet(PDF) 65 Page - Altera Corporation |
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EP1C12F100I8ES Datasheet(HTML) 65 Page - Altera Corporation |
65 / 104 page ![]() Altera Corporation 3–3 January 2007 Preliminary IEEE Std. 1149.1 (JTAG) Boundary Scan Support The Cyclone 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 IDCODE information for Cyclone devices. Table 3–2. Cyclone Boundary-Scan Register Length Device Boundary-Scan Register Length EP1C3 339 EP1C4 930 EP1C6 582 EP1C12 774 EP1C20 930 Table 3–3. 32-Bit Cyclone Device IDCODE Device IDCODE (32 bits) (1) Version (4 Bits) Part Number (16 Bits) Manufacturer Identity (11 Bits) LSB (1 Bit) (2) EP1C3 0000 0010 0000 1000 0001 000 0110 1110 1 EP1C4 0000 0010 0000 1000 0101 000 0110 1110 1 EP1C6 0000 0010 0000 1000 0010 000 0110 1110 1 EP1C12 0000 0010 0000 1000 0011 000 0110 1110 1 EP1C20 0000 0010 0000 1000 0100 000 0110 1110 1 Notes to Table 3–3: (1) The most significant bit (MSB) is on the left. (2) The IDCODE’s least significant bit (LSB) is always 1. |
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