參數(shù)資料
型號: AM79C960KCW
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: PCnetTM-ISA Single-Chip Ethernet Controller
中文描述: 2 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP120
封裝: PLASTIC, QFP-120
文件頁數(shù): 67/127頁
文件大?。?/td> 814K
代理商: AM79C960KCW
P R E L I M I N A R Y
AMD
1-409
Am79C960
controller will store incoming
frame data.
Read/write accessible only when
STOP bit is set.
CSR24-25: Base Address of Receive Ring
Bit
Name
Description
31-24
RES
Reserved locations. Written as
zero and read as undefined.
Contains the base address of the
Receive Ring.
Read/write accessible only when
STOP bit is set.
23-0
BADR
CSR26-27: Next Receive Descriptor Address
Bit
Name
Description
31-24
RES
Reserved locations. Written as
zero and read as undefined.
Contains the next RDRE address
pointer.
Read/write accessible only when
STOP bit is set.
23-0
NRDA
CSR28-29: Current Receive Descriptor Address
Bit
Name
Description
31-24
RES
Reserved locations. Written as
zero and read as undefined.
Contains the current RDRE ad-
dress pointer.
Read/write accessible only when
STOP bit is set.
23-0
CRDA
CSR30-31: Base Address of Transmit Ring
Bit
Name
Description
31-24
RES
Reserved locations. Written as
zero and read as undefined.
Contains the base address of the
Transmit Ring.
Read/write accessible only when
STOP bit is set.
23-0
BADX
CSR32-33: Next Transmit Descriptor Address
Bit
Name
Description
31-24
RES
Reserved locations. Written as
zero and read as undefined.
Contains the next TDRE address
pointer.
Read/write accessible only when
STOP bit is set.
23-0
NXDA
CSR34-35: Current Transmit Descriptor Address
Bit
Name
Description
31-24
RES
Reserved locations. Written as
zero and read as undefined.
Contains the current TDRE ad-
dress pointer.
Read/write accessible only when
STOP bit is set.
23-0
CXDA
CSR36-37: Next Next Receive Descriptor Address
Bit
Name
Description
31-0
NNRDA
Contains the next next RDRE ad-
dress pointer.
Read/write accessible only when
STOP bit is set.
CSR38-39: Next
Next
Transmit
Descriptor Address
Bit
Name
Description
31-0
NNXDA
Contains the next next TDRE ad-
dress pointer.
Read/write accessible only when
STOP bit is set.
CSR40-41: Current Receive Status and Byte
Count
Bit
Name
Description
31-24
CRST
Current Receive Status. This
field is a copy of bits 15:8 of
RMD1 of the current receive
descriptor.
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