UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 496

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

C0MCONFm register = 000B).
496
Figure 16-41 shows the processing for a transmit message buffer during transmission (MT [2:0] bits of
Set C0MDATAxm register
Set C0MDLCm register
Clear RTR bit of C0MCONFm
register
Set C0MIDLm and C0MIDHm
registers
Figure 16-41. Message Buffer Redefinition during Transmission
Data frame
CHAPTER 16 CAN CONTROLLER
Data frame or remote frame?
User’s Manual U17554EJ4V0UD
Wait for 1CAN data bits
Transmit abort process
Clear RDY bit
Set RDY bit
Set TRQ bit
Transmit?
RDY = 0?
END
START
Yes
Yes
No
No
Set C0MDLCm register
Set RTR bit of C0MCONFm
register
Set C0MIDLm and C0MIDHm
registers
Remote frame