參數(shù)資料
型號： 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)： 41/144頁
文件大?。?/td> 1229K
代理商： CDK8920A
Base
+
# of
Bytes
Type
Description
Cross
Reference
Initiate Transmit Registers
0144h
2
Read/Write
TxCMD. Command Request. The Value Written Here is Shown
in registert 9.
Read/Write
TxLength. Command Length Request in Bytes.
Reserved
Address Filter Registers
Read/Write
Logical Address Filter (hash table)
Read/Write
Individual Address, IA
Reserved. Do Not Write in This Space.
Frame Location
Read/Write
PNP Activation Register
Read/Write
PNP IO Range Check Register
Read/Write
Boot PROM Base Address, high byte
Read/Write
Boot PROM Base Address, low byte
Read/Write
Boot PROM Address Mask, high byte A(23:16)
Read/Write
Boot PROM Address Mask, low byte A(15:8)
Read/Write
Memory Base Address, high byte
Read/Write
Memory Base Address, low byte
Read/Write
IO Base Address, high byte
Read/Write
IO Base Address, low byte
Read/Write
Interrupt Request Channel Select 0
Read Only
Interrupt Request Type Select 0
Read/Write
DMA Channel Select
Read Only
Receive Status
Read Only
Receive Length
Aliased RxFrame
Aliased TxFrame
Sections 4.6, 5.8
0146h
0148h
2
8
Sections 4.6, 5.8
Note 2
0150h
0158h
015E
8
6
Sections 4.7, 5.3
Sections 4.7, 5.3
Note 2
674
0330h
0331h
0340h
0341h
0343h
0344h
0348h
0349h
0360h
0361h
0370h
0371h
0374h
0400h
0402h
0404h
0A00h
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.8
Sections 4.9, 5.8
Sections 4.9, 5.8
Sections 4.9, 5.8
Sections 4.9, 5.8
NOTES:
1. All registers are accessed as words only.
2. Read operation from the reserved location provides undefined data. Writing to a reserved location or
undefined bits may result in unpredictable operation of the CS8920A.
Table 4.1. PacketPage Memory Address Map, continued
CS8920A
DS238PP2
41
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