24.3.4 BiSS Client Configuration Register
| Name: | B1CLTCONx |
| Offset: | 0x21C0, 0x21C4, 0x21C8, 0x21CC |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| CRCSEEDx[15:8] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| CRCSEEDx[7:0] | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| CRCSELx | CRCLENx[6:0]CRCPOLYx[6:0] | ||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| GRAYxLSTOPx | SCDENx | SCDLENx[5:0] | |||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bits 31:16 – CRCSEEDx[15:0] Polynomial SCD CRC Calculation Start Value bits
Bit 15 – CRCSELx Select CRC bit
| Value | Description |
|---|---|
| 1 | CRC polynomial(7:1) in CRCPOLYx |
| 0 | CRC bit length in CRCLENx will apply dedicated CRC polynomials. |
Bits 14:8 – CRCLENx[6:0]CRCPOLYx[6:0] Polynomial Selection by Length for SCD CRC Check bit/Polynomial for SCD CRC Check bits
| Value | Description |
|---|---|
| When CRCLENx is selected: | |
| 0010000 | CRC polynomial 0b1.1001.0000.1101.1001 = 0x190D9 |
| 0001000 | CRC polynomial 0b1.0010.1111 = 0x12F |
| 0000111 | CRC polynomial 0b1000.1001 = 0x89 |
| 0000110 | CRC polynomial 0b100.0011 = 0x43 |
| 0000101 | CRC polynomial 0b10.0101 = 0x25 |
| 0000100 | CRC polynomial 0b1.0011 = 0x13 |
| 0000011 | CRC polynomial 0b1011 = 0xB |
| 0000000 | CRC for single cycle data not present, CRC verification deactivated, CRCSELx = 0b0. |
| When CRCPOLYx is selected: | |
| 11111111-0000001 | CRC polynomial for single-cycle data |
| 0000000 | CRC polynomial 0x00 not applicable with CRCSELx = 0b1 |
Bit 7 – GRAYxLSTOPx Enable SCD Gray to Binary Conversion bit (SSI only)/Leading STOP bit on Single Cycle bit (actuator data only)
| Value | Description |
|---|---|
| When GRAYx is selected | |
| 1 | SSI single-cycle data gray coded. |
| 0 | SSI single-cycle data binary coded. |
| When LSTOPx is selected: | |
| 1 | Leading STOP Bit on Single-Cycle Actuator Data (Do not send STOP bit before Actuator data). |
| 0 | No Leading STOP Bit on Single-Cycle Actuator Data (Send STOP bit before Actuator data). |
Bit 6 – SCDENx Enable Single Cycle Data bit
| Value | Description |
|---|---|
| 1 | Single-cycle data available. |
| 0 | Single-cycle data not available. |
Bits 5:0 – SCDLENx[5:0] Single Cycle Data Length bits
| Value | Description |
|---|---|
| 111111 | Single cycle data length = 64 |
| ... | |
| 000001 | Single cycle data length = 2 |
| 000000 | Single cycle data length = 1 |
