Remote Request Register (Rfpr) - Renesas H8SX/1520 Series Hardware Manual

Section 13 Controller Area Network (HCAN)

13.3.10 Remote Request Register (RFPR)

RFPR indicates the normal reception of remote frames in mailboxes. When a bit in this register is
set to 1, the corresponding receive complete register (RXPR) bit is also set to 1 simultaneously.
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
Note: * Only 1 can be written to these bits, to clear the flags.
Bit Bit Name
15 RFPR7
14 RFPR6
13 RFPR5
12 RFPR4
11 RFPR3
10 RFPR2
9 RFPR1
8 RFPR0
7 RFPR15
6 RFPR14
5 RFPR13
4 RFPR12
3 RFPR11
2 RFPR10
1 RFPR9
0 RFPR8
Note: * Only 1 can be written to clear the flag.
Rev. 3.00 Mar. 14, 2006 Page 464 of 804
REJ09B0104-0300
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15 14
RFPR7 RFPR6 RFPR5
0 0
R/(W)* R/(W)* R/(W)*
7 6
RFPR15 RFPR14 RFPR13
0 0
R/(W)* R/(W)* R/(W)*
Initial
Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13 12 11
RFPR4 RFPR3
0 0 0
R/(W)* R/(W)*
5 4 3
RFPR12 RFPR11
0 0 0
R/(W)* R/(W)*
R/W Description
R/(W)* When mailbox n (n = 0 to 15) has received the
remote frame error-free, RFPRn (n = 1 to 15) is
R/(W)*
set to 1.
R/(W)*
[Setting condition]
R/(W)*
Completion of remote frame reception in
R/(W)*
corresponding mailbox
R/(W)*
[Clearing condition]
R/(W)*
Writing 1
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
R/(W)*
10 9
RFPR2 RFPR1 RFPR0
0 0
R/(W)* R/(W)* R/(W)*
2 1
RFPR10 RFPR9 RFPR8
0 0
R/(W)* R/(W)* R/(W)*
8
0
0
0