ENC28J60-C/ML MICROCHIP [Microchip Technology], ENC28J60-C/ML Datasheet - Page 17
ENC28J60-C/ML
Manufacturer Part Number
ENC28J60-C/ML
Description
Stand-Alone Ethernet Controller with SPI Interface
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.ENC28J60-CML.pdf
(96 pages)
- Current page: 17 of 96
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3.1.1
The ECON1 register, shown in Register 3-1, is used to
control the main functions of the ENC28J60. Receive
enable, transmit request, DMA control and bank select
bits can all be found in ECON1.
REGISTER 3-1:
© 2006 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1-0
TXRST
R/W-0
ECON1 REGISTER
TXRST: Transmit Logic Reset bit
1 = Transmit logic is held in Reset
0 = Normal operation
RXRST: Receive Logic Reset bit
1 = Receive logic is held in Reset
0 = Normal operations
DMAST: DMA Start and Busy Status bit
1 = DMA copy or checksum operation is in progress
0 = DMA hardware is Idle
CSUMEN: DMA Checksum Enable bit
1 = DMA hardware calculates checksums
0 = DMA hardware copies buffer memory
TXRTS: Transmit Request to Send bit
1 = The transmit logic is attempting to transmit a packet
0 = The transmit logic is Idle
RXEN: Receive Enable bit
1 = Packets which pass the current filter configuration will be written into the receive buffer
0 = All packets received will be ignored
BSEL1:BSEL0: Bank Select bits
11 = SPI accesses registers in Bank 3
10 = SPI accesses registers in Bank 2
01 = SPI accesses registers in Bank 1
00 = SPI accesses registers in Bank 0
RXRST
R/W-0
ECON1: ETHERNET CONTROL REGISTER 1
W = Writable bit
‘1’ = Bit is set
DMAST
R/W-0
CSUMEN
R/W-0
Preliminary
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
TXRTS
R/W-0
R/W-0
RXEN
x = Bit is unknown
ENC28J60
BSEL1
R/W-0
DS39662B-page 15
BSEL0
R/W-0
bit 0
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