Digilent Pmod CAN Manual de referência - Página 5

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Pmod CAN Reference Manual

Bit Name

Bit Number

OPMOD2

[7]

OPMOD1

[6]

OPMOD0

[5]

[4]

ICOD2

[3]

ICOD1

[2]

ICOD0

[1]

[0]

¹ −

This is the default value on power-up or reset

2.2.4 Operation Mode Bit Table

Bit values for Operation Mode bits 2,1,0

0,0,0

0,0,1

0,1,0

0,1,1

1,0,0

2.2.5 Interrupt Flag Code Bit Table

Bit values for Interrupt Flag bits 2,1,0

0,0,0

0,0,1

0,1,0

0,1,1

1,0,0

1,0,1

1,1,0

1,1,1

2.3

Quick Start

Here is the series of SPI commands to set up, transmit, and receive data on the Pmod CAN:

2.3.1 Setup

1. Set CAN control mode to configuration

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CANSTAT 0xXE

Bit Description

Operation Mode Bit 2

Operation Mode Bit 1

Operation Mode Bit 0

Unimplemented

Interrupt Flag Code Bit 2

Interrupt Flag Code Bit 1

Interrupt Flag Code Bit 0

Unimplemented

Operation Mode Bit Table

Interrupt Flag Table

Bit

Functional Description

Values

1¹

See the Operation Mode Bit

Table

0¹

See the Operation Mode Bit

Table

0¹

See the Operation Mode Bit

Table

0¹

Unimplemented - read as '0'

0¹

See the Interrupt Flag Code Bit

Table

0¹

See the Interrupt Flag Code Bit

Table

0¹

See the Interrupt Flag Code Bit

Table

0¹

Unimplemented - read as '0'

Mode

Device is in Normal Operation Mode

Device is in Sleep Mode

Device is in Loopback Mode

Device is in Listen-Only Mode

Device is in Configuration Mode

Interrupt

No Interrupt

Error Interrupt

Wake-up Interrupt

TBX0 Interrupt

TBX1 Interrupt

TBX2 Interrupt

RBX0 Interrupt

RBX1 Interrupt

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