MCP2518FD datasheet(18/96 Pages) MICROCHIP

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MCP2518FD

DS20006027A-page 18

 2019 Microchip Technology Inc.

IOCON – INPUT/OUTPUT CONTROL REGISTER

U-0

R/W-0

U-0

R/W-1

—

INTOD

SOF

TXCANOD

—

—PM1

PM0

bit 31

bit 24

U-0

R/W-x

—

GPIO1

GPIO0

bit 23

bit 16

U-0

R/W-x

—

—LAT1

LAT0

bit 15

bit 8

U-0

R/W-0

U-0

R/W-1

—

XSTBYEN

—

—TRIS1( 1)

TRIS0( 1)

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 31

Unimplemented: Read as ‘0’

bit 30

INTOD: Interrupt pins Open Drain Mode

1 = Open Drain Output

0 = Push/Pull Output

bit 29

SOF: Start-Of-Frame signal

1 = SOF signal on CLKO pin

0 = Clock on CLKO pin

bit 28

TXCANOD: TXCAN Open Drain Mode

1 = Open Drain Output

0 = Push/Pull Output

bit 27-26

Unimplemented: Read as ‘0’

bit 25

PM1: GPIO Pin Mode

1 = Pin is used as GPIO1

0 = Interrupt Pin INT1, asserted when CiINT.RXIF and RXIE are set

bit 24

PM0: GPIO Pin Mode

1 = Pin is used as GPIO0

0 = Interrupt Pin INT0, asserted when CiINT.TXIF and TXIE are set

bit 23-18

Unimplemented: Read as ‘0’

bit 17

GPIO1: GPIO1 Status

1 =VGPIO1 >VIH

0 =VGPIO1 < VIL

bit 16

GPIO0: GPIO0 Status

1 =VGPIO0 >VIH

0 =VGPIO0 <VIL

bit 15-10

Unimplemented: Read as ‘0’

Note 1:

If PMx = 0, TRISx will be ignored and the pin will be an output.

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