Rainbow-electronics T89C51CC02 Bedienungsanleitung PDF herunterladen (Seite 86)

86 Rev.A - May 17, 2001

Preliminary

T89C51CC02

CANSIT (S:BBh Read Only)

CAN Status Interrupt message object Registers

Reset Value: xxxx 0000b

Figure 72. CANSIT Register

CANIE (S:C3h)

CAN Enable Interrupt message object Registers

Reset Value: xxxx 0000b

Figure 73. CANIE Register

7 6 5 4 3 2 1 0

----SIT3 SIT2 SIT1 SIT0

Bit Number Bit Mnemonic Description

7-4 -

Reserved

The value read from these bit 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.

example: CANSIT = 0b 0000 1001 -> IT’s on message objects3&0.

see Figure 59.

7 6 5 4 3 2 1 0

----IECH 3 IECH 2 IECH 1 IECH 0

Bit Number Bit Mnemonic Description

7-4 -

Reserved

The value read from these bit are indeterminate. Do not set these bits.

3-0 IECH3:0

Enable interrupt by message object

0 - disable IT.

1 - enable IT.

example: CANIE= 0b 0000 1100 -> Enable IT’s of message objects 3 & 0.

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 136 137

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Rainbow-electronics T89C51CC02 Bedienungsanleitung Seite 86