M306H7MG-XXXFP Datasheet, PDF (198/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
14. EXPANSION FUNCTION
9. Address 0816 (=CA3 to 0)
CD15
CD8CD7
CD0
Bit symbol
REG_C0
Bit name
Coefficient bit of the 66/0th
generation polynomials
REG_C1
Coefficient bit of the 67/1th
generation polynomials
REG_C2
REG_C3
Coefficient bit of the 68/2th
generation polynomials
Coefficient bit of the 69/3th
generation polynomials
REG_C4
REG_C5
Coefficient bit of the 70/4th
generation polynomials
Coefficient bit of the 71/5th
generation polynomials
REG_C6
Coefficient bit of the 72/6th
generation polynomials
REG_C7
Coefficient bit of the 73/7th
generation polynomials
REG_C8 ^{Coefficient bit of the 74/8th}
generation polynomials
REG_C9
Coefficient bit of the 75/9th
generation polynomials
REG_C10
Coefficient bit of the 76/10th
generation polynomials
REG_C11
Coefficient bit of the 77/11th
generation polynomials
REG_C12
Coefficient bit of the 78/12th
generation polynomials
Coefficient bit of the 79/13th
REG_C13 _{generation polynomials}
Coefficient bit of the 80/14th
REG_C14 _{generation polynomials}
Coefficient bit of the 81/15th
REG_C15 _{generation polynomials}
Function
RW
The coefficient of each degree
of the generation polynomial
is set.
The coefficient from 81 to the 66th
is set for 82 bit CRC mode.
The 15th in case of 16 bit CRC
mode. The 0th coefficients are set.
When generation polynomial to
be CRC_GP,
CRC_GP = X⁸²
15
Σ
REG_Cn
·
Xⁿ⁺⁶⁶
n=0
+ X⁵⁶ + X⁵² + X⁴⁸ + X⁴⁰
+ X³⁶ + X³⁴ + X²⁴ + X²²
+ X¹⁸ + X¹⁰ + X⁴ + 1
(For 82 bit CRC mode)
CRC_GP
=
X¹⁶
+
15
Σ
RE6_Cn
·
Xⁿ
n=0
(For 16 bit CRC mode)
10. Address 0916 (=CA3 to 0)
CD15
CD8CD7
CD0
Bit symbol
Bit name
Nothing is assigned.
The value is unfixed when it reads.
Function
RW
Rev.2.10 Oct 25, 2006 Page 198 of 326
REJ03B0152-0210