參數(shù)資料
型號(hào): MCP2515T-E/ML
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC20
封裝: 4 X 4 MM, 0.90 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件頁(yè)數(shù): 22/88頁(yè)
文件大小: 1205K
代理商: MCP2515T-E/ML
2010 Microchip Technology Inc.
DS21801F-page 29
MCP2515
REGISTER 4-3:
BFPCTRL – RXnBF PIN CONTROL AND STATUS
(ADDRESS: 0Ch)
U-0
R/W-0
B1BFS
B0BFS
B1BFE
B0BFE
B1BFM
B0BFM
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 7
Unimplemented: Read as ‘0’
bit 6
Unimplemented: Read as ‘0’
bit 5
B1BFS: RX1BF Pin State bit (Digital Output mode only)
- Reads as ‘0’ when RX1BF is configured as interrupt pin
bit 4
B0BFS: RX0BF Pin State bit (Digital Output mode only)
- Reads as ‘0’ when RX0BF is configured as interrupt pin
bit 3
B1BFE: RX1BF Pin Function Enable bit
1
= Pin function enabled, operation mode determined by B1BFM bit
0
= Pin function disabled, pin goes to high-impedance state
bit 2
B0BFE: RX0BF Pin Function Enable bit
1
= Pin function enabled, operation mode determined by B0BFM bit
0
= Pin function disabled, pin goes to high-impedance state
bit 1
B1BFM: RX1BF Pin Operation Mode bit
1
= Pin is used as interrupt when valid message loaded into RXB1
0
= Digital Output mode
bit 0
B0BFM: RX0BF Pin Operation Mode bit
1
= Pin is used as interrupt when valid message loaded into RXB0
0
= Digital Output mode
REGISTER 4-4:
RXBnSIDH – RECEIVE BUFFER n STANDARD IDENTIFIER HIGH
(ADDRESS: 61h, 71h)
R-x
SID10
SID9
SID8
SID7
SID6
SID5
SID4
SID3
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 7-0
SID: Standard Identifier bits <10:3>
These bits contain the eight most significant bits of the Standard Identifier for the received message
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