UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 465
![8BIT MCU, 128K FLASH, 7K RAM, LQFP](/photos/19/1/190186/ge64lqfp05-40_sml.jpg)
UPD78F0890GK(A)-GAJ-AX
Manufacturer Part Number
UPD78F0890GK(A)-GAJ-AX
Description
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0890GKA-GAJ-AX.pdf
(732 pages)
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
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16.9.6 Remote frame reception
is searched from all the message buffers satisfying the following conditions.
matches the ID of a message buffer that satisfies the above conditions.
In all the operation modes, when a remote frame is received, the message buffer that is to store the remote frame
- Used as a message buffer
- Set as a transmit message buffer
- Ready for reception
- Set to transmit message
- Transmission request is not set.
Upon acceptance of a remote frame, the following actions are executed if the ID of the received remote frame
- The MDLC[3:0] bit string in the C0MDLCm register stores the received DLC value.
- C0MDATA0m to C0MDATA7m in the data area are not updated (data before reception is saved).
- The DN bit of the C0MCTRLm register is set to 1.
- The CINTS1 bit of the C0INTS register is set to 1 (if the IE bit in the C0MCTRLm register of the message buffer
- The reception completion interrupt (INTC0REC) is output (if the IE bit in the C0MCTRLm register of the message
- The message buffer number is recorded to the receive history list.
(MA0 bit of C0MCONFm register set to 1B.)
(MT[2:0] bits in C0MCONFm register set to 000B)
(RDY bit of C0MCTRLm register set to 1.)
(RTR bit of C0MCONFm register is cleared to 0.)
(TRQ bit of C0MCTRLm register is cleared to 1.)
Caution When a message buffer is searched for receiving and storing a remote frame, overwrite control
Remark
that receives and stores the frame is set to 1).
buffer that receives and stores the frame is set to 1 and if the CIE1 bit of the C0IE register is set to 1).
by the OWS bit of the C0MCONFm register of the message buffer and the DN bit of the
C0MCTRLm register are not affected. The setting of OWS is ignored, and DN is set in any case.
If more than one transmit message buffer has the same ID and the ID of the received remote
frame matches that ID, the remote frame is stored in the transmit message buffer with the
lowest message buffer number.
m = 0 to 15
CHAPTER 16 CAN CONTROLLER
User’s Manual U17554EJ4V0UD
465
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