RL78/D1A User's Manual: Hardware - Renesas

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Under development Preliminary document Specifications in this document are tentative and subject to change. RL78/D1A CHAPTER 14 CAN CONTROLLER CHAPTER 14 CAN CONTROLLER R5F10CGx R5F10DGx R5F10CLx R5F10DLx R5F10CMx R5F10DMx R5F10TPx /R5F10DPx R5F10DPJ aFCAN 0 channel 1 channel 0 channel 1 channel 0 channel 1 channel 1 channel 2 channel 14.1 Outline Description This product features an on-chip CAN (Controller Area Network) controller that complies with CAN protocol as standardized in ISO 11898. 14.1.1 Features - Compliant with ISO 11898 and tested according to ISO/DIS 16845 (CAN conformance test) - Standard frame and extended frame transmission/reception enabled - Transfer rate: 1 Mbps max. (CAN input clock 8 MHz) - 16 message buffers/1 channel - Receive/transmit history list function - Automatic block transmission function - Multi-buffer receive block function - Mask setting of four patterns is possible for each channel R01UH0317EJ0004 Rev. 0.04 783 Feb. 22, 2013
Under development Preliminary document Specifications in this document are tentative and subject to change. RL78/D1A CHAPTER 14 CAN CONTROLLER 14.1.2 Overview of functions Table 14-1 presents an overview of the CAN controller functions. Table 14-1. Overview of Functions Function Details Protocol CAN protocol ISO 11898 (standard and extended frame transmission/reception) Baud rate Maximum 1 Mbps (CAN clock input 8 MHz) Data storage Storing messages in the CAN RAM Number of messages - 16 message buffers/1 channel - Each message buffer can be set to be either a transmit message buffer or a receive message buffer. Message reception - Unique ID can be set to each message buffer. - Mask setting of four patterns is possible for each channel. - A receive completion interrupt is generated each time a message is received and stored in a message buffer. - Two or more receive message buffers can be used as a FIFO receive buffer (multi-buffer receive block function). - Receive history list function Message transmission - Unique ID can be set to each message buffer. - Transmit completion interrupt for each message buffer - Message buffer number 0 to 7 specified as the transmit message buffer can be used for automatic block transfer. Message transmission interval is programmable (automatic block transmission function (hereafter referred to as “ABT”)). - Transmission history list function Remote frame processing Remote frame processing by transmit message buffer Time stamp function - The time stamp function can be set for a message reception when a 16-bit timer is used in combination. Time stamp capture trigger can be selected (SOF or EOF in a CAN message frame can be detected.). Diagnostic function - Readable error counters - “Valid protocol operation flag” for verification of bus connections - Receive-only mode - Single-shot mode - CAN protocol error type decoding - Self-test mode Release from bus-off state - Forced release from bus-off (by ignoring timing constraint) possible by software. - No automatic release from bus-off (software must re-enable). Power save mode - CAN sleep mode (can be woken up by CAN bus) - CAN stop mode (cannot be woken up by CAN bus) R01UH0317EJ0004 Rev. 0.04 784 Feb. 22, 2013
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User’s Manual 16 RL78/D1A 16-Bit
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NOTES FOR CMOS DEVICES (1) VOLTAGE
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Conventions Data significance: High
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CONTENTS CHAPTER 1 OUTLINE.........
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3.4.4 Short direct addressing .....
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6.8 Operation of Plural Channels of
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19.2 Configuration of DMA Controlle
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RL78/D1A User’s Manual: Hardware
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