Dual Mode Control Configuration
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
SDAHOLD[1:0] | FMPEN | ENABLE | |||||
Access | R/W | R/W | R/W | R/W | |||
Reset | 0 | 0 | 0 | 0 |
SDA Hold Time
These bits select the SDA hold time for the TWI Client.
This bit field is ignored when the dual control is disabled.
Value | Name | Description |
---|---|---|
0x0 | OFF | Hold time OFF |
0x1 | 50NS | Short hold time |
0x2 | 300NS | Meets the SMBus 2.0 specifications under typical conditions |
0x3 | 500NS | Meets the SMBus 2.0 specifications across all corners |
FM Plus Enable
This bit selects the 1 MHz bus speed for the TWI Client. This bit is ignored when dual control is disabled.
Dual Control Enable
Writing this bit to ‘1
’ enables the TWI dual
control.