PD780701Y_15 Datasheet, PDF (33/66 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD780701Y, 780702Y
4.7 DCAN Controller (µPD780701Y only)
The µPD780701Y incorporates a DCAN (Direct storage Control Area Network) controller.
Table 4-3. DCAN Controller Functional Outline
Function
Protocol
Baud rate
Bus line control
Clock
Data storage
Message configuration
Message number
Message sorting
Interrupts
Time function
Other functions
Low power consumption mode
Details
CAN2.0-supported extended frame format (Bosch specification 2.0 part B)
Maximum of 390 kbps (@ 6.29 MHz)
CMOS I/O for external transceiver
Selectable by register
Capacity of buffer RAM for DCAN: 288 bytes
(if not using for DCAN, it can be used for normal RAM)
Messages received via a message identifier are stored in RAM.
Transmit message buffers: 2
Maximum of 16 receive messages, including 2 masks
Transmit channels: 2 channels
Can set a separate identifier for the 16 receive messages
Mask identifiers: 2
Can set a global mask for all messages
Transmit interrupt request: 1
Receive interrupt request: 1
Error interrupt request: 1
A time stamp function is available
A separate transmit/receive error counter is available
A flag for checking the bus connection is available
A dedicated receive mode is available (use when detecting the baud rate on the bus)
Sleep mode (can be woken up by the DCAN bus)
Stop mode (cannot be woken up by the DCAN bus)
Preliminary Product Information U13920EJ1V0PM00
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