TWIHS Slave Mode Register
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| DATAMEN | SADR3EN | SADR2EN | SADR1EN | ||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| SADR[6:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| MASK[6:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SCLWSDIS | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
Clock Wait State Disable
| Value | Description |
|---|---|
| 0 | No effect. |
| 1 | Clock stretching disabled in Slave mode, OVRE and UNRE indicate an overrun/underrun. |
Slave Address Mask
A mask can be applied on the slave device address in Slave mode in order to allow multiple address answer. For each bit of the MASK field set to 1, the corresponding SADR bit is masked.
If the MASK field value is 0, no mask is applied to the SADR field.
Slave Address
The slave device address is used in Slave mode in order to be accessed by master devices in Read or Write mode.
SADR must be programmed before enabling the Slave mode or after a general call. Writes at other times have no effect.
Slave Address 1 Enable
| Value | Description |
|---|---|
| 0 | Slave address 1 matching is disabled. |
| 1 | Slave address 1 matching is enabled. |
Slave Address 2 Enable
| Value | Description |
|---|---|
| 0 | Slave address 2 matching is disabled. |
| 1 | Slave address 2 matching is enabled. |
Slave Address 3 Enable
| Value | Description |
|---|---|
| 0 | Slave address 3 matching is disabled. |
| 1 | Slave address 3 matching is enabled. |
Data Matching Enable
| Value | Description |
|---|---|
| 0 | Data matching on first received data is disabled. |
| 1 | Data matching on first received data is enabled. |