|
|
|
|
|
|
|
|
|
|
|
|
|
|
| PRELIMINARY | CY7C2561KV18, CY7C2576KV18 | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| CY7C2563KV18, CY7C2565KV18 | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
Table 6. Write Cycle Descriptions |
|
|
|
|
|
|
|
| |||||||||||||
The write cycle description table for CY7C2565KV18 follows. [4, 12] |
|
| |||||||||||||||||||
| BWS | 0 |
| BWS | 1 |
| BWS | 2 |
| BWS | 3 | K |
|
| K |
|
| Comments | |||
| L |
| L |
| L |
| L |
|
| – | During the data portion of a write sequence, all four bytes (D[35:0]) are written into | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. |
|
|
| L |
| L |
| L |
| L | – |
| During the data portion of a write sequence, all four bytes (D[35:0]) are written into | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. |
|
|
| L |
| H |
| H |
| H |
|
| – | During the data portion of a write sequence, only the lower byte (D[8:0]) is written | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| into the device. D[35:9] remains unaltered. | ||
| L |
| H |
| H |
| H | – |
| During the data portion of a write sequence, only the lower byte (D[8:0]) is written | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| into the device. D[35:9] remains unaltered. | ||
| H |
| L |
| H |
| H |
|
| – | During the data portion of a write sequence, only the byte (D[17:9]) is written into | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. D[8:0] and D[35:18] remains unaltered. | ||
| H |
| L |
| H |
| H | – |
| During the data portion of a write sequence, only the byte (D[17:9]) is written into | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. D[8:0] and D[35:18] remains unaltered. | ||
| H |
| H |
| L |
| H |
|
| – | During the data portion of a write sequence, only the byte (D[26:18]) is written into | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. D[17:0] and D[35:27] remains unaltered. | ||
| H |
| H |
| L |
| H | – |
| During the data portion of a write sequence, only the byte (D[26:18]) is written into | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. D[17:0] and D[35:27] remains unaltered. | ||
| H |
| H |
| H |
| L |
|
| – | During the data portion of a write sequence, only the byte (D[35:27]) is written into | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. D[26:0] remains unaltered. | ||
| H |
| H |
| H |
| L | – |
| During the data portion of a write sequence, only the byte (D[35:27]) is written into | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| the device. D[26:0] remains unaltered. | ||
| H |
| H |
| H |
| H |
|
| – | No data is written into the device during this portion of a write operation. | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||
| H |
| H |
| H |
| H | – |
| No data is written into the device during this portion of a write operation. | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Document Number: | Page 12 of 29 |
[+] Feedback