17 reception complete register (rcr), Register function – FUJITSU F2MCTM-16LX User Manual
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21.4.17
Reception Complete Register (RCR)
At completion of storing received message in the message buffer (x), RCx becomes 1.
If RIEx of the reception complete interrupt enable register (RIER) is 1, an interrupt
occurs.
■
Register Configuration
Figure 21.4-17 Configuration of the Reception Complete Register (RCR)
■
Register Function
●
Conditions for RCx = 0
Write 0 to RCx.
After completion of handling received message, write 0 to RCx to set it to 0. Writing 1 to RCx is ignored.
1 is read when a Read Modify Write instruction is performed.
Note:
If setting to 1 by completion of the receive operation and clearing to 0 by writing occur at the same
time, the bit is set to 1.
Address
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
RCR1(Upper)
CAN1:
000089
H
RC15
RC14
RC13
RC12
RC11
RC10
RC9
RC8
Reset value
0 0 0 0 0 0 0 0
B
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Address
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
RCR1(Lower)
CAN1:
000088
H
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
Reset value
0 0 0 0 0 0 0 0
B
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W : Read/Write