Section 14 CRC Operation Circuit (CRC)
Rev. 1.00 Mar. 12, 2008 Page 503 of 1178
REJ09B0403-0100
14.4
Note on CRC Operation Circuit
Note that the sequence to transmit the CRC code differs between LSB-first transmission and
MSB-first transmission.
CRCDIR
CRCDORH
CRCDORL
1. CRC code generation
2. Transmission data
(i) LSB-first transmission
CRC code generation
After specifying the operation method, write data to CRCDIR in the sequence of (1)
→
(2)
→
(3)
→
(4).
CRC code
Output
7
7
7
0
0
0
0
7
0
0
0
0
7
7
7
7
(1)
→
(2)
→
(3)
→
(4)
(5)
(6)
(1)
(2)
(3)
(4)
(6)
(5)
(ii) MSB-first transmission
CRC code
Output
7
7
0
0
0
0
0
0
7
7
7
7
(6)
(5)
(4)
(3)
(2)
(1)
Figure 14.6 LSB-First and MSB-First Transmit Data
Содержание H8S Family
Страница 2: ...Rev 1 00 Mar 12 2008 Page ii of xIviii...
Страница 8: ...Rev 1 00 Mar 12 2008 Page viii of xIviii...
Страница 28: ...Rev 1 00 Mar 12 2008 Page xxviii of xIviii...
Страница 48: ...Rev 1 00 Mar 12 2008 Page xlviii of xIviii...
Страница 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Страница 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Страница 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Страница 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Страница 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Страница 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Страница 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Страница 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Страница 588: ...Section 15 Serial Communication Interface with FIFO SCIF Rev 1 00 Mar 12 2008 Page 540 of 1178 REJ09B0403 0100...
Страница 632: ...Section 17 Synchronous Serial Communication Unit SSU Rev 1 00 Mar 12 2008 Page 584 of 1178 REJ09B0403 0100...
Страница 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Страница 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Страница 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Страница 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Страница 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Страница 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Страница 1168: ...Section 30 Platform Environment Control Interface PECI Rev 1 00 Mar 12 2008 Page 1120 of 1178 REJ09B0403 0100...
Страница 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
Страница 1229: ......
Страница 1230: ...H8S 2472 Group H8S 2462 Group Hardware Manual...