SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
I2C System Test Register.
Return to Summary Table
| Instance Name | Physical Address |
|---|---|
| I2C0 | 2000 00BCh |
| I2C1 | 2001 00BCh |
| I2C2 | 2002 00BCh |
| I2C3 | 2003 00BCh |
| I2C4 | 2004 00BCh |
| I2C5 | 2005 00BCh |
| I2C6 | 2006 00BCh |
| WKUP_I2C0 | 2B20 00BCh |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| RESERVED | |||||||
| NONE | |||||||
| 0h | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| RESERVED | |||||||
| NONE | |||||||
| 0h | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| ST_EN | FREE | TMODE | SSB | RESERVED | SCL_I_FUNC | ||
| R/W | R/W | R/W | R/W | R | R | ||
| 0h | 0h | 0h | 0h | 0h | 1h | ||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| SCL_O_FUNC | SDA_I_FUNC | SDA_O_FUNC | SCCB_E_O | SCL_I | SCL_O | SDA_I | SDA_O |
| R | R | R | R/W | R | R/W | R | R/W |
| 1h | 1h | 1h | 0h | 0h | 0h | 0h | 0h |
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31:16 | RESERVED | NONE | 0h | Reserved |
| 15 | ST_EN | R/W | 0h | System test enable |
| 14 | FREE | R/W | 0h | Free running mode [on breakpoint] |
| 13:12 | TMODE | R/W | 0h | Test mode select |
| 11 | SSB | R/W | 0h | Set status bits |
| 10:9 | RESERVED | R | 0h | Reserved |
| 8 | SCL_I_FUNC | R | 1h | SCL line input value [functional mode] |
| 7 | SCL_O_FUNC | R | 1h | SCL line output value [functional mode] |
| 6 | SDA_I_FUNC | R | 1h | SDA line input value [functional mode] |
| 5 | SDA_O_FUNC | R | 1h | SDA line output value [functional mode] |
| 4 | SCCB_E_O | R/W | 0h | SCCB_E line sense output value |
| 3 | SCL_I | R | 0h | SCL line sense input value |
| 2 | SCL_O | R/W | 0h | SCL line drive output value |
| 1 | SDA_I | R | 0h | SDA line sense input value |
| 0 | SDA_O | R/W | 0h | SDA line drive output value |