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IC-MB4 Datasheet(PDF) 33 Page - IC-Haus GmbH |
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IC-MB4 Datasheet(HTML) 33 Page - IC-Haus GmbH |
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33 / 40 page ![]() prel imin ary prel imin ary iC-MB4 BiSS INTERFACE MASTER Rev B2, Page 33/40 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 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 |
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