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MFG:OKI
Part Number: MSM6636
MFG: OKI
Description: The MSM6636 is a transmission controller for automotive LAN based on data communication protocol SAE-J...
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MSM6636
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DataSheet
General Description
MSM6636 General Description
The MSM6636 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, MSM6636 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.
MSM6636 Maximum Ratings
|
Rating |
Symbol |
Condition |
Rating |
Unit |
| Power Supply Voltage |
DVDD,AVDD |
0.3 ~ +7.0 |
V | |
| Input Voltage |
VI |
AVDD = DVDD |
-0.3~DVDD+0.3 |
V |
| Power Dissipation |
VO |
AVDD = DVDD |
-0.3~DVDD+0.3 |
V |
| Power Dissipation |
PD(DIP)*1 |
Ta = 25°C |
860 |
mw |
|
PD(QFJ)*2 |
Ta = 25°C |
960 |
mW | |
|
PD(SOP)*3 |
Ta = 25°C |
830 |
mW | |
| Storage Temperature |
TSTG |
55 to +150 |
°C |
PD(QFJ)*2: 18PIN QFJ package power dissipation
PD(SOP)*3: 24PIN SOP package power dissipation
MSM6636 Features
• Based on SAE-J1850 CLASS B DATA COMMUNICATION NETWORK INTERFACE (issued August 12, 1991)
• CSMA/CD (Carrier-sense multiple access with collision detection)
• Internal transmit buffer (1 frame) and receive buffer (2 frames)
• Bit encoding: PWM (Pulse Width Modulation)
• Transmission Speed: 41.6K bps
• Multi-address setting with physical addressing: 1 type / functional addressing: 15 types
• Address filter function by multi-addressing (broadcasting possible)
• Automatic retransmission function by arbitration loss and non ACK
• 3 types of in-frame response support:
Single-byte response from a single recipient
Multi-byte response from a single recipient (with CRC code)
Single-byte response from multiple recipients (ID response as ACK)
• Error detection by cyclic redundancy check (CRC)
• Various communication error detections
• Dual-wire bus abnormality detection by internal bus receiver and fault tolerance function
• Host CPU interface is LSB first / serial, 4 modes supported
Clock synchronous serial (no parity)
Normal mode: 8-bit data
MPC Mode: 8-bit data + MPC bit (1: address / 0: data select bit)
UART (yes/no parity selectable)
Normal mode: 1 start bit + 8-bit data + (parity) + 1 stop bit
MPC mode: 1 start bit + 8-bit data + MPC bit + (parity) + 1 stop bit
• Sleep Function
Low current consumption mode by oscillation stop (IDS Max < 50A)
SLEEP / WAKE UP control from host CPU, WAKE UP via LAN bus
• Available package 18pin DIP, 18 pin QFJ (PLCC) and 24pin SOP.
• CSMA/CD (Carrier-sense multiple access with collision detection)
• Internal transmit buffer (1 frame) and receive buffer (2 frames)
• Bit encoding: PWM (Pulse Width Modulation)
• Transmission Speed: 41.6K bps
• Multi-address setting with physical addressing: 1 type / functional addressing: 15 types
• Address filter function by multi-addressing (broadcasting possible)
• Automatic retransmission function by arbitration loss and non ACK
• 3 types of in-frame response support:
Single-byte response from a single recipient
Multi-byte response from a single recipient (with CRC code)
Single-byte response from multiple recipients (ID response as ACK)
• Error detection by cyclic redundancy check (CRC)
• Various communication error detections
• Dual-wire bus abnormality detection by internal bus receiver and fault tolerance function
• Host CPU interface is LSB first / serial, 4 modes supported
Clock synchronous serial (no parity)
Normal mode: 8-bit data
MPC Mode: 8-bit data + MPC bit (1: address / 0: data select bit)
UART (yes/no parity selectable)
Normal mode: 1 start bit + 8-bit data + (parity) + 1 stop bit
MPC mode: 1 start bit + 8-bit data + MPC bit + (parity) + 1 stop bit
• Sleep Function
Low current consumption mode by oscillation stop (IDS Max < 50A)
SLEEP / WAKE UP control from host CPU, WAKE UP via LAN bus
• Available package 18pin DIP, 18 pin QFJ (PLCC) and 24pin SOP.
MSM6636 Connection Diagram
MSM6636
PDF/DataSheet Download
- Datasheet: MSM6636
- File Size: 112129 KB
- Manufacturer: OKI
- Click here to Download
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