UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 480

• 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

16.13.3 Self-test mode
the CAN node to the CAN bus or without affecting the CAN bus.
reception are internally looped back. The CAN transmission pin (CTxD) is fixed to the recessive level.
mode from the self-test mode, however, the module is released from the CAN sleep mode in the same manner as the
other operation modes. To keep the module in the CAN sleep mode, use the CAN reception pin (CRxD) as a port pin.
480
In the self-test mode, message frame transmission and message frame reception can be tested without connecting
In the self-test mode, the CAN module is completely disconnected from the CAN bus, but transmission and
If the falling edge on the CAN reception pin (CRxD) is detected after the CAN module has entered the CAN sleep
Figure 16-34. CAN Module Terminal Connection in Self-test Mode
Fixed to
the recessive
level
CHAPTER 16 CAN CONTROLLER
CTxD
User’s Manual U17554EJ4V0UD
Tx
CAN macro
CRxD
Rx