UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 493

• 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

Caution After setting the CAN module to the initialization mode, avoid setting the module to another
Remark
operation mode immediately after. If it is necessary to immediately set the module to another
operation mode, be sure to access registers other than the C0CTRL and C0GMCTRL registers
(e.g. set a message buffer).
OPMODE: Normal operation mode, normal operation mode with ABT, receive-only mode, single-
shot mode, self-test mode
CHAPTER 16 CAN CONTROLLER
Initialize message buffers
Figure 16-38. Re-initialization
Set C0CTRL register
C0ERC and C0INFO
C0MASK register
User’s Manual U17554EJ4V0UD
C0BRP register,
C0BTR register
(Set OPMODE)
Set CCERC bit
register clear?
C0IE register
INIT mode?
OPMODE
START
END
Set
Set
Set
Clear
Yes
Yes
No
No
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