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| CY7C1470BV25 | |||
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| CY7C1472BV25, CY7C1474BV25 | ||||||
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Table 8. Identification Codes |
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Instruction |
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| Description |
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EXTEST |
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| 000 | Captures IO ring contents. Places the boundary scan register between TDI and TDO. |
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| Forces all SRAM outputs to |
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IDCODE |
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| 001 | Loads the ID register with the vendor ID code and places the register between TDI and TDO. This | |||||||||||
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| operation does not affect SRAM operations. |
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SAMPLE Z |
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| 010 | Captures IO ring contents. Places the boundary scan register between TDI and TDO. |
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| Forces all SRAM output drivers to a |
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RESERVED |
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| 011 |
| Do Not Use: This instruction is reserved for future use. |
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SAMPLE/PRELOAD |
| 100 | Captures IO ring contents. Places the boundary scan register between TDI and TDO. |
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| Does not affect SRAM operation. This instruction does not implement 1149.1 preload function and | ||||||||||
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| is therefore not |
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RESERVED |
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| 101 | Do Not Use: This instruction is reserved for future use. |
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RESERVED |
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| 110 |
| Do Not Use: This instruction is reserved for future use. |
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BYPASS |
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| 111 |
| Places the bypass register between TDI and TDO. This operation does not affect SRAM operations. | ||||||||||
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Table 9. Boundary Scan Exit Order (2M x 36) |
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Bit # |
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| Bit # |
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1 |
| C1 |
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| 21 | R3 |
| 41 | J11 |
| 61 |
| B7 | ||
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2 |
| D1 |
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| 22 | P2 |
| 42 | K10 |
| 62 |
| B6 | ||
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3 |
| E1 |
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| 23 | R4 |
| 43 | J10 |
| 63 |
| A6 | ||
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4 |
| D2 |
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| 24 | P6 |
| 44 | H11 |
| 64 |
| B5 | ||
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5 |
| E2 |
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| 25 | R6 |
| 45 | G11 |
| 65 |
| A5 | ||
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6 |
| F1 |
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| 26 | R8 |
| 46 | F11 |
| 66 |
| A4 | ||
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7 |
| G1 |
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| 27 | P3 |
| 47 | E11 |
| 67 |
| B4 | ||
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8 |
| F2 |
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| 28 | P4 |
| 48 | D10 |
| 68 |
| B3 | ||
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9 |
| G2 |
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| 29 | P8 |
| 49 | D11 |
| 69 |
| A3 | ||
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10 |
| J1 |
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| 30 | P9 |
| 50 | C11 |
| 70 |
| A2 | ||
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11 |
| K1 |
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| 31 | P10 |
| 51 | G10 |
| 71 |
| B2 | ||
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12 |
| L1 |
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| 32 | R9 |
| 52 | F10 |
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13 |
| J2 |
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| 33 | R10 |
| 53 | E10 |
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14 |
| M1 |
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| 34 | R11 |
| 54 | A9 |
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15 |
| N1 |
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| 35 | N11 |
| 55 | B9 |
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16 |
| K2 |
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| 36 | M11 |
| 56 | A10 |
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17 |
| L2 |
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| 37 | L11 |
| 57 | B10 |
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18 |
| M2 |
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| 38 | M10 |
| 58 | A8 |
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19 |
| R1 |
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| 39 | L10 |
| 59 | B8 |
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20 |
| R2 |
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| 40 | K11 |
| 60 | A7 |
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Document #: | Page 17 of 29 |
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