Rainbow-electronics T89C51CC01 Manual do Utilizador descarregar pdf (Página 91)

T89C51CC01

Rev. D – 17-Dec-01

Table 45. CANEN2 Register

CANEN2 (S:CFh Read Only)

CAN Enable message object

Registers 2

Reset Value: 0000 0000b

Table 46. CANSIT1 Register

CANSIT1 (S:BAh)

CAN Status Interrupt message

object Registers 1

Note: 1. This field is Read Only

Reset Value: x000 0000b

76543210

ENCH7 ENCH6 ENCH5 ENCH4 ENCH3 ENCH2 ENCH1 ENCH0

Bit

Number

Bit

Mnemonic Description

7-0 ENCH7:0

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.

76543210

- SIT14 SIT13 SIT12 SIT11 SIT10 SIT9 SIT8

Bit

Number

Bit

Mnemonic Description

Reserved

The values read from this bit is indeterminate. Do not set this bit.

6-0 SIT14:8

Status of interrupt by message object (1)

0 - no interrupt.

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

SIT14:8 = 0b 0000 1001 -> IT’s on message objects 11 & 8.

seeFigure33.

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 ... 148 149

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