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ISO 20794-4:2020 Road vehicles - Clock extension peripheral interface (CXPI) - Part 4: Data link layer and physical layer >
ISO 20794-4:2020 Road vehicles - Clock extension peripheral interface (CXPI) - Part 4: Data link layer and physical layer, 2020
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviated terms
- 4.1 Symbols
- 4.2 Abbreviated terms
- 5 Conventions
- 6 Introduction to data link layer and physical layer
- 6.1 Frames
- 6.2 Frame collision avoidance
- 6.3 Error detection and indication
- 6.4 Clock transmission and detection
- 7 Service interface parameters (SIP)
- 7.1 SIP — General
- 7.2 SIP — Data type definitions
- 7.3 SIP — Ftype, frame type
- 7.4 SIP — ReqId, request identifier
- 7.5 SIP — ReqTypeId, request type identifier
- 7.6 SIP — PDU, protocol data unit
- 7.7 SIP — Length, length of PDU
- 7.8 SIP — ev_wakeup_ind, event wake-up indication (optional)
- 7.9 SIP — cmd_wakeup_req, command wake-up request
- 7.10 SIP — NMInfo, network management information
- 7.11 SIP — SCT, sequence count
- 7.12 SIP — Result, result
- 8 Data link layer (DLL)
- 8.1 SI — L_Data.req and L_Data.ind service interface
- 8.2 SI — L_Data.req and L_Data.ind service interface parameter mapping
- 8.3 DLL — Service interface with L_Ftype parameter mapping
- 8.3.1 DLL — L_Data.req and L_Data.ind with L_Ftype = NormalCom (L_Length = NULL)
- 8.3.2 DLL — L_Data.req and L_Data.ind with L_Ftype = NormalCom (L_Length ≥ 0016)
- 8.3.3 DLL — L_Data.req and L_Data.ind interface with L_Ftype = DiagNodeCfg
- 8.4 DLL — Frame fields
- 8.4.1 DLL — Frame field definition
- 8.4.2 DLL — Request type identifier and request identifier fields
- 8.4.3 DLL — L_FI (frame information) field
- 8.4.4 DLL — L_DATA (data field)
- 8.4.5 DLL — L_CRC field
- 8.5 DLL — Internal operation
- 8.6 DLL — Timing parameters
- 8.6.1 DLL — IBS timing handling
- 8.6.2 DLL — IFS timing handling
- 8.6.3 DLL — Beginning condition of frame
- 8.6.4 DLL — Start of frame
- 8.6.5 DLL — Frame transmission time
- 8.7 DLL — Completion of frame
- 8.7.1 DLL — General
- 8.7.2 DLL — Completing condition of L_PTYPE field
- 8.7.3 DLL — Completing condition of L_PID field
- 8.7.4 DLL — Completing condition of frame
- 8.8 DLL — Byte arbitration
- 8.9 DLL — Function models
- 8.9.1 DLL — Transmission logic
- 8.9.2 DLL — Reception logic
- 8.10 DLL — Error detection
- 8.10.1 DLL — General
- 8.10.2 DLL — Byte error (Err_DLL_Byte)
- 8.10.3 DLL — CRC error (Err_DLL_CRC)
- 8.10.4 DLL — Parity error (Err_DLL_Parity)
- 8.10.5 DLL — Data length code error (Err_DLL_DLC)
- 8.10.6 DLL — Data length code extension error (Err_DLL_DLCext)
- 8.10.7 DLL — Framing error (Err_DLL_Framing)
- 8.10.8 DLL — Exception handling for L_FI_DLC = '11112' detection
- 9 Physical layer (PHY)
- 9.1 PHY — Overview
- 9.2 PHY — Concept of waveform generation
- 9.3 PHY — Physical signalling (PS) requirements
- 9.3.1 PHY — PS general
- 9.3.2 PHY — PS physical interface configuration
- 9.3.3 PHY — PS bit rate
- 9.3.4 PHY — PS bit sample timing
- 9.3.5 PHY — PS encoding and decoding logic
- 9.3.6 PHY — PS clock generation
- 9.3.7 PHY — PS node clock synchronization and bit synchronization
- 9.3.8 PHY — PS detection of clock existence
- 9.3.9 PHY — PS bit-wise collision resolution
- 9.3.10 PHY — PS AC parameters
- 9.3.11 PHY — PS node transmission of wake-up pulse
- 9.4 PHY — Physical medium attachment (PMA) requirements
- 9.4.1 PHY — PMA general
- 9.4.2 PHY — PMA electrical parameters
- 9.4.3 PHY — PMA AC parameters
- 9.4.4 PHY — PMA wake-up pulse and dominant pulse filter time
- 9.5 PHY — Physical media dependent (PMD) sub-layer requirements
- 9.5.1 PHY — PMD entity requirements
- 9.5.2 PHY — PMD device interface requirements
- 9.6 PHY — Physical media (PM) sub-layer requirements
- 9.7 PHY — Control and event services
- 9.7.1 PHY — Control and event service interface
- 9.7.2 PHY — Wake-up request
- 9.7.3 PHY — Wake-up event
- Bibliography [Go to Page]