Table 4-18. Token Register
| BIT |
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| 7 |
| 6 | 5 |
| 4 | 3 |
| 2 | 1 | 0 |
| OFFSET |
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| 0Ah |
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| FIELD |
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| SOF Threshold Register |
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| Token Register |
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| CNT[7:0] |
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| TOKEN_PID | TOKEN_ENDPT | |||||||||
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| RESET |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 | 0 |
| RW |
| R/ | R/ | R/ | R/ | R/ | R/ | R/ | R/ |
| R/ |
| R/ | R/ |
| R/ | R/ |
| R/ | R/ | R/ |
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| W | W | W | W | W | W | W | W | W |
| W | W |
| W | W | W | W | W |
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Bits | Field Name | Description |
15:8 | CNT[7:0] | SOF Count Threshold |
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| Represent the SOF count threshold, in byte times. |
7:4 | TOKEN_PID | Token Type |
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| The token type that the SUB executes (see Table |
3:0 | TOKEN_ENDPT | Endpoint for Token Command |
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| Determines the endpoint address for the token command. The |
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| written must be for a valid endpoint. |
Table 4-20. Valid PID Tokens
Token_PID | Token Type | Description |
0001 | OUT Token | USB performs an OUT (TX) transaction. |
1001 | IN Token | USB performs an IN (RX) transaction. |
1101 | SETUP Token | USB performs a SETUP (TX). |
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