IC-MB4_15 Datasheet, PDF (33/40 Pages) IC-Haus GmbH – BiSS INTERFACE MASTER

iC-MB4
BiSS INTERFACE MASTER
preliminary
SELCRCS1
Addr. 0xC1; bit 7
R/W
SELCRCS2
Addr. 0xC5; bit 7
R/W
SELCRCS3
Addr. 0xC9; bit 7
R/W
SELCRCS4
Addr. 0xCD; bit 7
R/W
SELCRCS5
Addr. 0xD1; bit 7
R/W
SELCRCS6
Addr. 0xD5; bit 7
R/W
SELCRCS7
Addr. 0xD9; bit 7
R/W
SELCRCS8
Addr. 0xDD; bit 7
R/W
0
CRC bit length in SCRCLENx apply dedicated CRC
polynomials
1
CRC polynomial(7:1) in SCRCPOLYx
SELCRCSx = 0b1 not applicable with
CRC polynomial SCRCPOLYx(7:1) = 0x00
Table 61: CRC polynomial selection
Rev B2, Page 33/40
SCRCLEN1(6:0) Addr. 0xC1; bit 6:0
R/W
SCRCLEN2(6:0) Addr. 0xC5; bit 6:0
R/W
SCRCLEN3(6:0) Addr. 0xC9; bit 6:0
R/W
SCRCLEN4(6:0) Addr. 0xCD; bit 6:0
R/W
SCRCLEN5(6:0) Addr. 0xD1; bit 6:0
R/W
SCRCLEN6(6:0) Addr. 0xD5; bit 6:0
R/W
SCRCLEN7(6:0) Addr. 0xD9; bit 6:0
R/W
SCRCLEN8(6:0) Addr. 0xDD; bit 6:0
R/W
0
CRC for single cycle data not present, CRC
verification deactivated, SELCRCSx = 0b0
3
CRC polynomial 0b1011 = 0xB
4
CRC polynomial 0b1.0011 = 0x13
5
CRC polynomial 0b10.0101 = 0x25
6
CRC polynomial 0b100.0011 = 0x43
7
CRC polynomial 0b1000.1001 = 0x89
8
CRC polynomial 0b1.0010.1111 = 0x12F
16
CRC polynomial 0b1.1001.0000.1101.1001 =
0x190D9
...
Other CRC lengths in SCRCLENx are not permitted
with SELCRCSx = 0b0 .
Table 62: CRC length with predefined CRC polynomial
SCRCPOLY1(7:1)
Addr. 0xC1; bit 6:0
R/W
SCRCPOLY2(7:1)
Addr. 0xC5; bit 6:0
R/W
SCRCPOLY3(7:1)
Addr. 0xC9; bit 6:0
R/W
SCRCPOLY4(7:1)
Addr. 0xCD; bit 6:0
R/W
SCRCPOLY5(7:1)
Addr. 0xD1; bit 6:0
R/W
SCRCPOLY6(7:1)
Addr. 0xD5; bit 6:0
R/W
SCRCPOLY7(7:1)
Addr. 0xD9; bit 6:0
R/W
SCRCPOLY8(7:1)
Addr. 0xDD; bit 6:0
R/W
0x00
CRC polynomial 0x00 not applicable with SELCRCSx = 0b1
0x01 . .
0x7F
CRC polynomial for single cycle data = SCRCPOLYx(7:1) + ’0x01’
Table 63: CRC polynomial(n:1)
SCRCSTART1(7:0)
Addr. 0xC2; bit 7:0
R/W
SCRCSTART1(15:8)
Addr. 0xC3; bit 7:0
R/W
SCRCSTART2(7:0)
Addr. 0xC6; bit 7:0
R/W
SCRCSTART2(15:8)
Addr. 0xC7; bit 7:0
R/W
SCRCSTART3(7:0)
Addr. 0xCA; bit 7:0
R/W
SCRCSTART3(15:8)
Addr. 0xCB; bit 7:0
R/W
SCRCSTART4(7:0)
Addr. 0xCE; bit 7:0
R/W
SCRCSTART4(15:8)
Addr. 0xCF; bit 7:0
R/W
SCRCSTART5(7:0)
Addr. 0xD2; bit 7:0
R/W
SCRCSTART5(15:8)
Addr. 0xD3; bit 7:0
R/W
SCRCSTART6(7:0)
Addr. 0xD6; bit 7:0
R/W
SCRCSTART6(15:8)
Addr. 0xD7; bit 7:0
R/W
SCRCSTART7(7:0)
Addr. 0xDA; bit 7:0
R/W
SCRCSTART7(15:8)
Addr. 0xDB; bit 7:0
R/W
SCRCSTART8(7:0)
Addr. 0xDE; bit 7:0
R/W
SCRCSTART8(15:8)
Addr. 0xDF; bit 7:0
R/W
Table 64: CRC calculation start value