KSZ8842MQL Datasheet, PDF (54/141 Pages) Micrel Semiconductor – 2-Port Ethernet Switch with Non-PCI Interface

Micrel, Inc.
KSZ8842-16/32 MQL/MVL/MVLI/MBL
Internal I/O Space Mapping (continued)
I/O Register Location
32-Bit 16-Bit 8-Bit Bank 16 Bank 17 Bank 18
0x0
0x0
- 0x1
0x0
0x1
To
0x3
0x2
0x2
- 0x3
0x3
Transmit
Control
[7:0]
Transmit
Control
[15:8]
Transmit
Status
[7:0]
Transmit
Status
[15:8]
TXQ
Command
[7:0]
TXQ
Command
[15:8]
RXQ
Command
[7:0]
RXQ
Command
[15:8]
Interrupt
Enable
[7:0]
Interrupt
Enable
[15:8]
Interrupt
Status
[7:0]
Interrupt
Status
[15:8]
Receive
TX Frame
Receive
0x4
Control Data Pointer Status
0x4
[7:0]
[7:0]
[7:0]
- 0x5
Receive
TX Frame
Receive
0x4
0x5
Control Data Pointer Status
To
[15:8]
[15:8]
[15:8]
0x7
0x6
RX Frame Receive Byte
Data Pointer Counter
0x6
- 0x7
Reserved
[7:0]
[7:0]
RX Frame Receive Byte
0x7
Data Pointer Counter
[15:8]
[15:8]
TXQ Memory QMU Data
0x8 Information
Low
0x8
- 0x9
[7:0]
[7:0]
TXQ Memory QMU Data
Reserved
0x9 Information
Low
0x8
[15:8]
[15:8]
To
RXQ Memory QMU Data
0xB
0xA ^Information
0xA
[7:0]
High
[7:0]
- 0xB
RXQ Memory QMU Data
0xB ^Information
[15:8]
High
[15:8]
Bank Location
Bank 19 Bank 20
Multicast
Table 0
[7:0]
Multicast
Table 0
[15:8]
Multicast
Table 1
[7:0]
Multicast
Table 1
[15:8]
Multicast
Table 2
[7:0]
Multicast
Table 2
[15:8]
Multicast
Table 3
[7:0]
Multicast
Table 3
[15:8]
Bank 21 Bank 22
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Bank 23
0xC
0xC
- 0xD
0xC
0xD
To
0xF
0xE
0xE
- 0xF
0xF
Reserved
Bank Select [7:0]
Bank Select [15:8]
October 2007
54
M9999-102207-1.9