M16CSLASH1N datasheet(150/238 Pages) RENESAS

150 / 238 page

Rev.1.00

Oct 20, 2004

page 138 of 222

M16C/1N Group

16. CAN Module

REJ09B0007-0100Z

Figure 16.8 C0STR Register

16.4.3 C0STR Register

Figure 16.8 shows the C0STR register.

State_Reset

Reset state flag

State_

LoopBack

Loop back state flag

State_

MsgOrder

Message order

state flag

State_

BasicCAN

Basic CAN mode

state flag

State_

BusError

Bus error

state flag

State_

ErrPass

Error passive

state flag

State_

BusOff

(b7)

Error bus off

state flag

0 : Operation mode

1 : Reset mode

0 : Word access

1 : Byte access

0 : Normal operation mode

1 : Basic CAN mode

0 : No error has occurred.

1 : A CAN bus error has occurred.

0 : Normal operation mode

1 : Loop back mode

0 : The CAN module is not in error passive state.

1 : The CAN module is in error passive state.

0 : The CAN module is not in error bus off state.

1 : The CAN module is in error bus off state.

Nothing is assigned. When write, set to "0".

When read, its content is indeterminate.

C0STR

023316

X00000012

After reset

CAN0 status register (Note 1)

(b15)

(b8)

Bit symbol

Bit name

Function

MBox

Active slot bits

(Note 2)

b3 b2 b1 b0

Bit symbol

Bit name

Function

Successful

reception flag

Transmission flag

(Transmitter)

Reception flag

(Receiver)

0 0 0 0 : Slot 0

0 0 0 1 : Slot 1

0 0 1 0 : Slot 2

1 1 1 0 : Slot 14

1 1 1 1 : Slot 15

0 : No [successful] reception

1 : CAN module received a message successfully.

0 : CAN module is idle or receiver.

1 : CAN module is transmitter.

0 : CAN module is idle or transmitter.

1 : CAN module is receiver.

TrmSucc

Successful

transmission flag

RecSucc

TrmState

RecState

Symbol

Address

After reset

Symbol

Address

C0STR

023216

0016

Note 1: These bits can not be set in CAN reset/initialization mode of the CAN module.

Note 2: These bits change when a slot enabled interrupt has transmitted or received successfully.

0 : No [successful] transmission

1 : The CAN module has transmitted a message

successfully.

M16C/1N датащи(PDF) 150 Page - Renesas Technology Corp

M16C/1N датащи(HTML) 150 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL