A-PHY VIP

MIPI A-PHY v1.0 is a physical layer communication protocol designed for automotive applications, including driver assistance, autonomous driving, and surround-sensor systems such as cameras and in-vehicle displays. With a long-reach capability of up to 15 meters, A-PHY provides an asymmetric point-to-point data link that supports one-way fast data and two-way control data transmission, along with optional power delivery, all through a single cable. The protocol boasts a low packet error rate (PER) of 10-19 and high immunity to electromagnetic interference (EMI). Data can be transmitted at rates of 2, 4, 8, 12, or 16Gbit/s, with the potential to reach 48Gbit/s in the future. A-PHY natively supports the MIPI CSI-2 and MIPI DSI-2 protocols commonly used in mobile devices and automotive applications, as well as VESA DisplayPort and Embedded DisplayPort. A key advantage of A-PHY is its ability to eliminate the need for bridge ICs, enabling seamless integration. Furthermore, the Memorandum of Understanding (MOU) signed by the MIPI Alliance and IEEE Standards Association paves the way for the adoption of other MIPI specifications as IEEE standards in the future, including the upcoming A-PHY protocol adaptation layers for MIPI CSI-2 and DSI-2.

• Supports MIPI A-PHY specification 1.0 and 1.1
• Supports single lane and dual lane, point-to-point and serial communication technology
• Supports PHY layer and Data link layer features
• Provides a main unidirectional data stream and a bi-directional low-throughput command and control data stream
• Rich set of configuration parameters to control MIPI A-PHY functionality
• Supports APPI interface between MIPI A-PHY
• Supports multiple speed gears ranging from 2Gbps up to 32 Gbps
• Supports 5 discrete Downlink Gears: G1, G2, G3, G4, and G5 and Uplink shall be 200Mbps at U1 and U2 gears
• Supports two types of profiles: Profile 1 (P1-NRZ 8B/10B) and Profile 2 (P2-PAM 4, 8, 16)
• Supports clock recovery to reach the proper port rate
• Supports Re-transmission request/ACK types
• Supports Scrambler as per specs
• Supports two types of Startup Procedure: Mission Mode startup and Unidirectional startup
• Supports Wake-Up protocol and below Mode of operation: Non-active Mode and Active Mode
• Supports below Data Link feature: Link service, Local function, Multi-port function, and Network function
• Monitors, detects, and notifies the test bench of significant events such as transactions, warnings, timing, and protocol violations
• Supports constraints Randomization
• MIPI A-PHY Verification IP comes with a complete test suite to test every feature of MIPI A-PHY specification
• Functional coverage for complete MIPI A-PHY features