33.5.3 Control A
Name: | CTRLA |
Offset: | 0x02 |
Reset: | 0x00 |
Property: | - |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
IBDLY | PARD | DTD | RSD | GTVAL[2:0] | |||||
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 – IBDLY Inter-Byte Delay Enable
Bit 5 – PARD Parity Disable
Bit 4 – DTD Disable Timeout Detection
Bit 3 – RSD Response Signature Disable
Bits 2:0 – GTVAL[2:0] Guard Time Value
This bit field selects the Guard Time Value that will be used by the UPDI when the transmission mode switches from RX to TX. The Guard time is equal to the Baud Rate used in 1-Wire mode.
Value | Description |
---|---|
0x0 | UPDI Guard Time: 128 cycles (default) |
0x1 | UPDI Guard Time: 64 cycles |
0x2 | UPDI Guard Time: 32 cycles |
0x3 | UPDI Guard Time: 16 cycles |
0x4 | UPDI Guard Time: 8 cycles |
0x5 | UPDI Guard Time: 4 cycles |
0x6 | UPDI Guard Time: 2 cycles |
0x7 | GT off (no extra Idle bits inserted) |