T89C51CC02CA-RATIM datasheet(97/154 Pages) ATMEL

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T89C51CC02

4126H–CAN–01/05

Table 61. CANEN Register

CANEN (S:CFh Read Only)

CAN Enable Message Object Registers 2

Reset Value = xxxx 0000b

Table 62. CANSIT Register

CANSIT (S:BBh Read Only) – CAN Status Interrupt Message Object Registers 2

Reset Value = xxxx0000b

765

43210

----

ENCH3

ENCH2

ENCH1

ENCH0

Bit Number

Bit Mnemonic

Description

7 - 4

Reserved

The values read from these bits are indeterminate. Do not set these

bits.

3 - 0

ENCH3:0

Enable Message Object

0 - message object is disabled => the message object is free for a

new emission or reception.

1 - message object is enabled.

This bit is resetable by re-writing the CANCONCH of the

corresponding message object.

765

43210

----

SIT3

SIT2

SIT1

SIT0

Bit Number

Bit Mnemonic

Description

7 - 4

Reserved

The values read from these bits are indeterminate. Do not set these

bits.

3 - 0

SIT3:0

Status of Interrupt by Message Object

0 - no interrupt.

1 - IT turned on. Reset when interrupt condition is cleared by user.

SIT3:0 = 0b 0000 1001 -> IT’s on message objects 3 & 0.

See Figure 39.

T89C51CC02CA-RATIM Datasheet(PDF) 97 Page - ATMEL Corporation

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