705
Chapter 34 CAN Controller
2.Register Description
Figure 2-3 IF1 and IF2 Message Interface Register Sets
■
IFx Command Request Registers (IFxCREQ)
A message transfer is started as soon as the CPU has written the message number to the Command Request
Register. With this write operation the CPU is notified that a transfer is in progress. If a CPU access to the
CAN happens while the transfer is in progress then this access is delayed until the transfer has finished. After
3 to 6 CAN_CLK periods, the transfer between the Interface Register and the Message RAM has completed
and the upcoming CPU access is executed.
Address
IF1 Register Set
Address
IF2 Register Set
CAN Base + 0x10
IF1 Command Request
CAN Base + 0x40
IF2 Command Request
CAN Base + 0x12
IF1 Command Mask
CAN Base + 0x42
IF2 Command Mask
CAN Base + 0x14
IF1 Mask 2
CAN Base + 0x44
IF2 Mask 2
CAN Base + 0x16
IF1 Mask 1
CAN Base + 0x46
IF2 Mask 1
CAN Base + 0x18
IF1 Arbitration 2
CAN Base + 0x48
IF2 Arbitration 2
CAN Base + 0x1A
IF1 Arbitration 1
CAN Base + 0x4A
IF2 Arbitration 1
CAN Base + 0x1C
IF1 Message Control
CAN Base + 0x4C
IF2 Message Control
CAN Base + 0x20
CAN Base + 0x32
IF1 Data A1
CAN Base + 0x50
CAN Base + 0x62
IF2 Data A1
CAN Base + 0x22
CAN Base + 0x30
IF1 Data A2
CAN Base + 0x52
CAN Base + 0x60
IF2 Data A2
CAN Base + 0x24
CAN Base + 0x36
IF1 Data B1
CAN Base + 0x54
CAN Base + 0x66
IF2 Data B1
CAN Base + 0x26
CAN Base + 0x34
IF1 Data B2
CAN Base + 0x56
CAN Base + 0x64
IF2 Data B2
BUSY res
res
res
res
res
res
res
⇐
Bit no.
Read/write
⇒
(R/(W)) (R)
(R)
(R)
(R)
(R)
(R)
(R)
Default value
⇒
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(0)
IFx Command Request Register high byte
Address : Base + 0x10
H &
Base + 0x40
H
15
14
13
12
11
10
9
8
IFxCREQH
Message Number
⇐
Bit no.
Read/write
⇒
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value
⇒
(0)
(0)
(0)
(0)
(0)
(0)
(0)
(1)
Address : Base + 0x11
H
& Base + 0x41
H
7
6
5
4
3
2
1
0
IFxCREQL
IFx Command Request Register low byte
Содержание FR Family FR60 Lite
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Страница 706: ...690 Chapter 33 I2C Controller 4 Programming Flow Charts ...
Страница 748: ...732 Chapter 34 CAN Controller 4 CAN Application ...
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