UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 395

• 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

Note The value of the transmission error counter (TEC) is invalid when the BOFF bit is set to 1. If an error that
Error active
Error passive
Bus-off
Type
increments the value of the transmission error counter by +8 while the counter value is in a range of 248 to
255, the counter is not incremented and the bus-off state is assumed.
Transmission
Reception
Transmission
Reception
Transmission
Reception
Transmission
Operation
0-95
0-95
96-127
96-127
128-255
128 or more
256 or more (not
indicated)
Value of Error
Table 16-13. Types of Error States
Counter
CHAPTER 16 CAN CONTROLLER
User’s Manual U17554EJ4V0UD
Note
TECS1, TECS0 = 00
RECS1, RECS0 = 00
TECS1, TECS0 = 01
RECS1, RECS0 = 01
TECS1, TECS0 = 11
RECS1, RECS0 = 11
BOFF = 1,
TECS1, TECS0 = 11
C0INFO Register
Indication of
- Outputs an active error flag (6 consecutive
- Outputs a passive error flag (6 consecutive
- Transmits 8 recessive-level bits, in
- Communication is not possible.
Messages are not stored when receiving
frames, however, the following operations of
<1>, <2>, and <3> are done.
<1> TSOUT toggles.
<2> REC is incremented/decremented.
<3> VALID bit is set.
- If the CAN module is entered to the
dominant-level bits) on detection of the
error.
recessive-level bits) on detection of the
error.
between transmissions, following an
intermission (suspend transmission).
initialization mode and then transition
request to any operation mode is made,
and when 11 consecutive recessive-level
bits are detected 128 times, the error
counter is reset to 0 and the error active
state can be restored.
Operation specific to Given Error State
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