CS8920A View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS8920A' PDF : 144 Pages View PDF
CS8920A
Base
+
0144h
0146h
0148h
0150h
0158h
015E
0330h
0331h
0340h
0341h
0343h
0344h
0348h
0349h
0360h
0361h
0370h
0371h
0374h
0400h
0402h
0404h
0A00h
# of
Bytes
2
2
8
8
6
674
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
Type
Description
Initiate Transmit Registers
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
Cross
Reference
Sections 4.6, 5.8
Sections 4.6, 5.8
Note 2
Sections 4.7, 5.3
Sections 4.7, 5.3
Note 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
DS238PP2
41
Share Link: 
