OKI Semiconductor
ML9620
CAN Controller IC
FEDL9620-01
Issue Date: Aug. 29, 2003
GENERAL DESCRIPTION
The ML9620 is a microcontroller peripheral LSI which conforms to the CAN protocol for high-speed LANs
in automobiles.
FEATURES
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Conforms to CAN protocol specification (Bosch, V2.0 part B/Active)
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Maximum of 1 Mbps bit rate
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Message box:
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Up to 32 message boxes can be used, and messages up to 8 bytes long can be transmitted or
received for each message box
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Number of received messages can be extended by group message function
(Each Message box has its own Identifier Mask)
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Programmable FIFO mode
Priority control by message objects number:
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2032 types in standard format, 2032
×
2
18
types in extended format
Microcontroller interface:
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Corresponding to both parallel and serial interface
Parallel interface:
Separate address/data bus type (with address latch signal / no address
latch signal) and multiplexed address/data bus type
Serial interface:
Synchronous communication type
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Three interrupt sources: transmission/receive/error
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Two message interface register buffer
Error control:
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Bit error/stuff error/CRC error/form error/acknowledgment error detection functions
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Retransmission/error status monitoring function when error occurs
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Bit error flag/stuff error flag/CRC error flag/form error flag/acknowledge error flag are provided
Communication control by remote data request function
Sleep and Stop mode function
Disable Automatic Retransmission mode for Time Triggered CAN applications
3.3V, 5V
8MHz@V
DD
=3.3V, 8 to 16MHz@V
DD
=5 V
–40 to +85°C
(for Industrial)
–40 to +125°C
(for Automobile)
44-pin plastic QFP (QFP44-P-910-0.80-2K)
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Supply voltage:
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Clock frequency:
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Operating temperature:
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Package:
1/7
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