参数资料
型号: MCP2510T-I/P
元件分类: 微控制器/微处理器
英文描述: 2 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PDIP18
封装: 0.300 INCH, PLASTIC, DIP-18
文件页数: 17/76页
文件大小: 1076K
代理商: MCP2510T-I/P
MCP2510
DS21291C-page 24
Preliminary
1999 Microchip Technology Inc.
REGISTER 4-1:
RXB0CTRL - Receive Buffer 0 Control Register (ADDRESS: 60h)
U-0
R/W-0
U-0
R-0
R/W-0
R-0
RXM1
RXM0
RXRTR
BUKT
BUKT1
FILHIT0
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 6-5:
RXM<1:0>: Receive Buffer Operating Mode
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 criteria
bit 4:
Unimplemented: Reads as ‘0’
bit 3:
RXRTR: Received Remote Transfer Request
1 = Remote Transfer Request Received
0 = No Remote Transfer Request Received
bit 2:
BUKT: Rollover Enable
1 = RXB0 message will rollover and be written to RXB1 if RXB0 is full
0 = Rollover disabled
bit 1:
BUKT1: Read Only Copy of BUKT Bit (used internally by the MCP2510).
bit 0:
FILHIT<0>: Filter Hit - indicates which acceptance filter enabled reception of message
1 = Acceptance Filter 1 (RXF1)
0 = Acceptance Filter 0 (RXF0)
Note: If a rollover from RXB0 to RXB1 occurs, the FILHIT bit will reflect the filter that accepted the mes-
sage that rolled over
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