MCP2510-EST datasheet(58/76 Pages) MICROCHIP

tên linh kiện	MCP2510-EST

Giải thích chi tiết về linh kiện	Stand-Alone CAN Controller with SPI Interface

PDF	76 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

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58 / 76 page

MCP2510

DS21291C-page 58

Preliminary

 2000 Microchip Technology Inc.

TABLE 11-1: SPI Instruction Set

FIGURE 11-2: Read Instruction

FIGURE 11-3: Byte Write Instruction

Instruction Name

Instruction Format

Description

RESET

1100 0000

Resets internal registers to default state, set configuration mode

READ

0000 0011

Read data from register beginning at selected address

WRITE

0000 0010

Write data to register beginning at selected address

RTS

(Request To Send)

1000 0nnn

Sets TXBnCTRL.TXREQ bit for one or more transmit buffers

Read Status

1010 0000

Polling command that outputs status bits for transmit/receive functions

Bit Modify

0000 0101

Bit modify selected registers

1000 0nnn

Request to send for TXBO

Request to send for TXB1

Request to send for TXB2

SCK

23456789

10 11

12 13 14 15 16 17 18 19 20 21 22

1A0

76543210

instruction

address byte

data out

high impedance

don’t care

SCK

23456789

10 11

12 13 14 15 16 17 18 19

20 21 22

0A7

1A0

7654

210

instruction

high impedance

address byte

data byte

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