UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 387

• 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

<6> ACK field
<7> End of frame (EOF)
The ACK field is used to acknowledge normal reception.
The end of frame field indicates the end of data frame/remote frame.
Remark
Remark
- If no CRC error is detected, the receiving node sets the ACK slot to the dominant level.
- The transmitting node outputs two recessive-level bits.
R
D
(ACK field)
R
D
D: Dominant = 0
R: Recessive = 1
D: Dominant = 0
R: Recessive = 1
(CRC field)
Figure 16-12. End of Frame (EOF)
CHAPTER 16 CAN CONTROLLER
End of frame
(7 bits)
Figure 16-11. ACK Field
User’s Manual U17554EJ4V0UD
ACK slot
(1 bit)
ACK field
ACK delimiter
(Interframe space or overload frame)
(1 bit)
(End of frame)
387