MCP2515-I/ST Microchip Technology Inc., MCP2515-I/ST Datasheet - Page 28

• Manufacturer Part Number: MCP2515-I/ST
• Description: CAN CONTROLLER WITH SPI INTERFACE
• Manufacturer: Microchip Technology Inc.
• Type: Programmable Peripheral Interfacer

Specifications of MCP2515-I/ST

• Package Type: 20-Pin TSSOP
• Voltage, Supply: 2.7-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

MCP2515
REGISTER 4-2:
DS21801D-page 28
bit 7
bit 6-5
bit 4
bit 3
bit 2-0
RXB1CTRL – RECEIVE BUFFER 1 CONTROL
(ADDRESS: 70h)
bit 7
Unimplemented: Read as ‘0’
RXM: Receive Buffer Operating Mode bits
11 = Turn mask/filters off; receive any message
10 = Receive only valid messages with extended identifiers that meet filter criteria
01 = Receive only valid messages with standard identifiers that meet filter criteria
00 = Receive all valid messages using either standard or extended identifiers that meet filter
Unimplemented: Read as ‘0’
RXRTR: Received Remote Transfer Request bit
1 = Remote Transfer Request Received
0 = No Remote Transfer Request Received
FILHIT: Filter Hit bits - indicates which acceptance filter enabled reception of message
101 = Acceptance Filter 5 (RXF5)
100 = Acceptance Filter 4 (RXF4)
011 = Acceptance Filter 3 (RXF3)
010 = Acceptance Filter 2 (RXF2)
001 = Acceptance Filter 1 (RXF1) (Only if BUKT bit set in RXB0CTRL)
000 = Acceptance Filter 0 (RXF0) (Only if BUKT bit set in RXB0CTRL)
Legend:
R = Readable bit
-n = Value at POR
U-0
—
criteria
R/W-0
RXM1
R/W-0
RXM0
Preliminary
W = Writable bit
‘1’ = Bit is set
U-0
—
RXRTR
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R-0
FILHIT2
R-0
© 2005 Microchip Technology Inc.
x = Bit is unknown
FILHIT1
R-0
FILHIT0
R-0
bit 0