Product Summary

The MSM6636GS-KR1 is a transmission controller for automotive LAN based on data communication protocol SAE-J1850. This LSI can realize a data bus topology bus LAN system with a PWM bit encoding method (41.6 K bps). In addition to a protocol control circuit, MSM6636GS-KR1 has an enclosed quartz oscillation circuit, host CPU interface (clock synchronous serial / UART), a transmit/receive buffer, and a bus receiver circuit that decreases the burden on the host CPU.

Parametrics

MSM6636GS-KR1 absolute maximum ratings: (1)Power Supply Voltage, DVDD, AVDD: -0.3 to 7.0V; (2)Input Voltage, VI: -0.3 to DVDD+0.3V; (3)Output Voltage, VO: -0.3 to DVDD+0.3V; (4)Power Dissipation, PD(DIP), Ta = 25℃: 860mW; (5)Storage Temperature, TSTG: -55 to 150℃.

Features

MSM6636GS-KR1 features: (1)CSMA/CD (Carrier-sense multiple access with collision detection); (2)Internal transmit buffer (1 frame) and receive buffer (2 frames); (3)Bit encoding: PWM (Pulse Width Modulation); (4)Transmission Speed: 41.6K bps; (5)Multi-address setting with physical addressing: 1 type / functional addressing: 15 types; (6)Address filter function by multi-addressing (broadcasting possible); (7)Automatic retransmission function by arbitration loss and non ACK; (8)3 types of in-frame response support; (9)Error detection by cyclic redundancy check (CRC); (10)Various communication error detections; (11)Dual-wire bus abnormality detection by internal bus receiver and fault tolerance function; (12)Host CPU interface is LSB first / serial, 4 modes supported; (13)Sleep Function; (14)Available package 18pin DIP, 18 pin QFJ (PLCC) and 24pin SOP.

Diagrams

MSM6636GS-KR1 block diagram

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