12.4 Receive Operation in CSIO Mode -----------------------------------------------------------------------------------12-32
12.4.1 Initialization for CSIO Reception----------------------------------------------------------------------------12-32
12.4.2 Starting CSIO Reception -------------------------------------------------------------------------------------12-34
12.4.3 Processing at End of CSIO Reception --------------------------------------------------------------------12-34
12.4.4 About Successive Reception --------------------------------------------------------------------------------12-35
12.4.5 Flags Showing the Status of CSIO Receive Operation -----------------------------------------------12-36
12.4.6 Example of CSIO Receive Operation ---------------------------------------------------------------------12-37
12.5 Precautions on Using CSIO Mode-----------------------------------------------------------------------------------12-39
12.6 Transmit Operation in UART Mode ---------------------------------------------------------------------------------12-40
12.6.1 Setting the UART Baud Rate --------------------------------------------------------------------------------12-40
12.6.2 UART Transmit/Receive Data Formats -------------------------------------------------------------------12-40
12.6.3 Initializing UART Transmission -----------------------------------------------------------------------------12-42
12.6.4 Starting UART Transmission --------------------------------------------------------------------------------12-44
12.6.5 Successive UART Transmission ---------------------------------------------------------------------------12-44
12.6.6 Processing at End of UART Transmission ---------------------------------------------------------------12-44
12.6.7 Transmit Interrupts ---------------------------------------------------------------------------------------------12-44
12.6.8 Transmit DMA Transfer Request ---------------------------------------------------------------------------12-45
12.6.9 Example of UART Transmit Operation--------------------------------------------------------------------12-46
12.7 Receive Operation in UART Mode ----------------------------------------------------------------------------------12-48
12.7.1 Initialization for UART Reception ---------------------------------------------------------------------------12-48
12.7.2 Starting UART Reception ------------------------------------------------------------------------------------12-50
12.7.3 Processing at End of UART Reception -------------------------------------------------------------------12-50
12.7.4 Example of UART Receive Operation --------------------------------------------------------------------12-52
12.7.5 Start Bit Detection during UART Reception--------------------------------------------------------------12-54
12.8 Fixed Period Clock Output Function --------------------------------------------------------------------------------12-55
12.9 Precautions on Using UART Mode ----------------------------------------------------------------------------------12-56
CHAPTER 13 CAN MODULE
13.1 Outline of the CAN Module --------------------------------------------------------------------------------------------13-2
13.2 CAN Module Related Registers --------------------------------------------------------------------------------------13-4
13.2.1 CAN Control Registers ----------------------------------------------------------------------------------------13-15
13.2.2 CAN Status Registers -----------------------------------------------------------------------------------------13-18
13.2.3 CAN Frame Format Select Registers ---------------------------------------------------------------------13-21
13.2.4 CAN Configuration Registers--------------------------------------------------------------------------------13-22
13.2.5 CAN Timestamp Count Registers --------------------------------------------------------------------------13-24
13.2.6 CAN Error Count Registers ----------------------------------------------------------------------------------13-25
13.2.7 CAN Baud Rate Prescalers ----------------------------------------------------------------------------------13-26
13.2.8 CAN Interrupt Related Registers ---------------------------------------------------------------------------13-27
13.2.9 CAN Cause of Error Registers ------------------------------------------------------------------------------13-45
13.2.10 CAN Mode Registers ------------------------------------------------------------------------------------------13-46
13.2.11 CAN DMA Transfer Request Select Registers----------------------------------------------------------13-47
13.2.12 CAN Mask Registers ------------------------------------------------------------------------------------------13-48
13.2.13 CAN Single-Shot Mode Control Registers ---------------------------------------------------------------13-52
13.2.14 CAN Message Slot Control Registers ---------------------------------------------------------------------13-53
13.2.15 CAN Message Slots -------------------------------------------------------------------------------------------13-57
13.3 CAN Protocol -------------------------------------------------------------------------------------------------------------13-72
13.3.1 CAN Protocol Frames -----------------------------------------------------------------------------------------13-72
13.3.2 Data Formats during CAN Transmission/Reception---------------------------------------------------13-73
(7)
RENESAS [ RENESAS TECHNOLOGY CORP ]
