MCP2510-EST datasheet(18/76 Pages) MICROCHIP

18 / 76 page

MCP2510

DS21291C-page 18

Preliminary

 2000 Microchip Technology Inc.

TXRTSCTRL - TXNRTS Pin Control and Status Register (ADDRESS: 0Dh)

TXBNSIDH - Transmit Buffer N Standard Identifier High (ADDRESS: 31h, 41h, 51h)

U-0

R-x

R/W-0

—

B2RTS

B1RTS

B0RTS

B2RTSM

B1RTSM

B0RTSM

R = Readable bit

W = Writable bit

C = Bit can be cleared by

MCU but not set

U = Unimplemented - reads

as ‘0’

- n = Value at POR reset

bit 7

bit 0

bit 7:

Unimplemented: Reads as ‘0’

bit 6:

Unimplemented: Reads as ‘0’

bit 5:

B2RTS: TX2RTS Pin State

- Reads state of TX2RTS pin when in digital input mode

- Reads as ‘0’ when pin is in ‘request to send’ mode

bit 4:

B1RTS: TX1RTX Pin State

- Reads state of TX1RTS pin when in digital input mode

- Reads as ‘0’ when pin is in ‘request to send’ mode

bit 3:

B0RTS: TX0RTS Pin State

- Reads state of TX0RTS pin when in digital input mode

- Reads as ‘0’ when pin is in ‘request to send’ mode

bit 2:

B2RTSM: TX2RTS Pin Mode

1 = Pin is used to request message transmission of TXB2 buffer (on falling edge)

0 = Digital input

bit 1:

B1RTSM: TX1RTS Pin Mode

1 = Pin is used to request message transmission of TXB1 buffer (on falling edge)

0 = Digital input

bit 0:

B0RTSM: TX0RTS Pin Mode

1 = Pin is used to request message transmission of TXB0 buffer (on falling edge)

0 = Digital input

R/W-x

SID10

SID9

SID8

SID7

SID6

SID5

SID4

SID3

R = Readable bit

W = Writable bit

C = Bit can be cleared by

MCU but not set

U = Unimplemented -

reads as ‘0’

- n = Value at POR reset

bit 7

bit 0

bit 7-0:

SID<10:3>: Standard Identifier Bits <10:3>

MCP2510-EST 데이터시트(PDF) 18 Page - Microchip Technology

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