參數(shù)資料
型號(hào): CDK8920A
廠商: Cirrus Logic, Inc.
英文描述: CRYSTAL LAN ISA PLUG-AND-PLAY ETHERNET CONTROLLER
中文描述: 水晶藍(lán)的ISA即插即用,即插即用以太網(wǎng)控制器
文件頁數(shù): 141/144頁
文件大?。?/td> 1229K
代理商: CDK8920A
Acronyms Specific to the CS8920A
ADVintCTL/ST
AutoNegST
BufCFG
BufEvent
BusCTL
BusST
ENDEC
ISQ
LineCTL
LineST
RxCFG
RxCTL
RxEvent
SelfCTL
SelfST
TestCTL
TxCFG
TxCMD
TxEvent
Interrupt Control and Status - Register D
ISA Bus State or Status - Register 1E
Buffer Configuration - Register B
Buffer Event - Register C
Bus Control - Register 17
Bus State - Register 18
Manchester encoder/decoder
Interrupt Status Queue - register 0
Ethernet Line Control - Register 13
Ethernet Line Status - Register 14
Receive Configuration - Register 3
Receive Control - Register 5
Receive Event - Register 4
Self Control - Register 15
Self Status - Register 16
Test Control - Register 19
Transmit Configuration - Register 7
Transmit Command - Register 9
Transmit Event - Register 8
Terms Specific to the CS8920A
Act-Once bit
A control bit that causes the CS8920A to take a certain action once when a logic "1" is written
to that bit. To cause the action again, the host must rewrite a "1".
Committed Received Frame
A receive frame is said to be "committed" after the frame has been buffered by the CS8920A,
and the host has been notified, but the frame has not yet been transferred by the host.
Committed Transmit Frame
A transmit frame is said to be "committed" after the host has issued a Transmit Command, and
the CS8920A has reserved buffer space and notified the host that it is ready for transmit.
Event or Interrupt Event
The term "Event" is used in this document to refer to something that can trigger an interrupt.
Items that are considered "Events" are reported in the three Event registers (RxEvent, TxEvent,
or BufEvent) and in two counter-overflow bits (RxMISS and TxCOL).
CS8920A
DS238PP2
141
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