Rainbow-electronics T89C51CC02 Bedienungsanleitung PDF herunterladen (Seite 77)

Rev.A - May 17, 2001 77

Preliminary

T89C51CC02

15.8. Data and Remote frame

Description of the different steps for:

• Data frame,

• Remote frame, with automatic reply,

• Remote frame.

u uu uu

0 1 x 0 0

u uu uu

ENCH

RTR

RPLV

TXOK

RXOK

0 1 x 0 0

c uc uu

0 0 x 1 0

u cc uu

0 0 x 0 1

DATA FRAME

Node A Node B

ENCH

RTR

RPLV

TXOK

RXOK

message object in reception

message object stay in reception

message object in transmission

message object stay in

transmission

u uu uu

1 1 x 0 0

c uu uc

0 1 x 1 0

c uu

0 0 x 0 1

REMOTE FRAME

DATA FRAME

u uu uu

1 1 1 0 0

u uu cc

0 1 0 0 0

c uc cu

0 0 0 1 0

ENCH

RTR

RPLV

TXOK

RXOK

ENCH

RTR

RPLV

TXOK

RXOK

(immediate)

message object in reception

message object in transmission

message object stay in transmission

message object in transmission

message object in reception

message object stay in

by CAN controller

reception

by CAN controller

u uu uu

1 1 x 0 0

u uu uu

ENCH

RTR

RPLV

TXOK

RXOK

1 1 0 0 0

c uu uc

0 1 x 1 0

u cc uu

1 0 0 0 1

REMOTE FRAME

ENCH

RTR

RPLV

TXOK

RXOK

u uu uu

0 1 x 0 0

c uc uu

0 0 x 1 0

u cc uc

0 0 x 0 1

DATA FRAME

(deferred)

: modified by user

: modified by CAN

message object in reception

message object in transmission

message object stay in transmission

message object stay in reception

message object in transmission

message object in reception

by CAN controller

by user

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