Sharp Blue Treak LH75400 User Manual

Table of Contents LH75400/01/10/11 (Preliminary) User’s Guidex 6/17/0321.2.3.3 Port A Data Direction Register ....................................................... 21-621.2.3.4 Port B Data Direction Register ....................................................... 21-721.2.3.5 Port C Data Register ...................................................................... 21-821.2.3.6 Port D Data Register ...................................................................... 21-921.2.3.7 Port C Data Direction Register ..................................................... 21-1021.2.3.8 Port D Data Direction Register ..................................................... 21-1121.2.3.9 Port E Data Register..................................................................... 21-1221.2.3.10 Port F Data Register................................................................... 21-1321.2.3.11 Port E Data Direction Register ................................................... 21-1421.2.3.12 Port F Data Direction Register.................................................... 21-1521.2.3.13 Port G Data Register .................................................................. 21-1621.2.3.14 Port H Data Register .................................................................. 21-1721.2.3.15 Port G Data Direction Register ................................................... 21-1821.2.3.16 Port H Data Direction Register ................................................... 21-1921.2.3.17 Port I Data Register .................................................................... 21-2021.2.3.18 Port J Data Register ................................................................... 21-2121.2.3.19 Port I Data Direction Register..................................................... 21-22Chapter 22 – Controller Area Network22.1 CAN 2.0B Features ...................................................................................... 22-222.2 CAN Theory of Operation............................................................................. 22-222.2.1 Protocols ............................................................................................... 22-322.2.2 Frame Types ......................................................................................... 22-322.2.2.1 Message Frame.............................................................................. 22-322.2.2.2 Remote Frame................................................................................ 22-422.2.2.3 Bit Errors......................................................................................... 22-422.2.2.4 Message Errors .............................................................................. 22-422.2.2.5 Acknowledgement Errors ............................................................... 22-422.2.3 Transmitted and Received Data ............................................................ 22-422.2.4 Time Delays .......................................................................................... 22-522.2.5 Bus Timing ............................................................................................ 22-522.2.6 Bus Arbitration....................................................................................... 22-522.2.7 Error Handling ....................................................................................... 22-622.3 CAN Programmer’s Model ........................................................................... 22-622.3.1 CAN Register Summary ........................................................................ 22-722.3.2 CAN Register Definitions....................................................................... 22-822.3.2.1 Mode Register ................................................................................ 22-822.3.2.2 Command Register......................................................................... 22-922.3.2.3 Status Register ............................................................................. 22-1022.3.2.4 Interrupt Register.......................................................................... 22-1222.3.2.5 Interrupt Enable Register.............................................................. 22-1322.3.2.6 Bus Timing Register 0 .................................................................. 22-1422.3.2.7 Bus Timing Register 1 .................................................................. 22-1522.3.2.8 Arbitration Lost Capture Register ................................................. 22-1622.3.2.9 Error Code Capture Register........................................................ 22-1822.3.2.10 Error Warning Limit Register ...................................................... 22-2022.3.2.11 Receive Error Counter Register ................................................. 22-2122.3.2.12 Transmit Error Counter Register ................................................ 22-22