KSZ9031RNX(2012) Просмотр технического описания (PDF) - Micrel
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KSZ9031RNX Datasheet PDF : 75 Pages
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Micrel, Inc.
Register Map
The register space within the KSZ9031RNX consists of two distinct areas.
• Standard registers
// Direct register access
• MDIO manageable device (MMD) registers
// Indirect register access
The KSZ9031RNX supports the following standard registers.
Register Number (Hex)
IEEE-Defined Registers
0h
1h
2h
3h
4h
5h
6h
7h
8h
9h
Ah
Bh – Ch
Dh
Eh
Fh
Vendor-Specific Registers
10h
11h
12h
13h
14h
15h
16h – 1Ah
1Bh
1Ch
1Dh – 1Eh
1Fh
Description
Basic Control
Basic Status
PHY Identifier 1
PHY Identifier 2
Auto-Negotiation Advertisement
Auto-Negotiation Link Partner Ability
Auto-Negotiation Expansion
Auto-Negotiation Next Page
Auto-Negotiation Link Partner Next Page Ability
1000Base-T Control
1000Base-T Status
Reserved
MMD Access – Control
MMD Access – Register/Data
Extended Status
Reserved
Remote Loopback
LinkMD Cable Diagnostic
Digital PMA/PCS Status
Reserved
RXER Counter
Reserved
Interrupt Control/Status
Auto MDI/MDI-X
Reserved
PHY Control
Table 16. Standard Registers Supported by KSZ9031RNX
KSZ9031RNX
The KSZ9031RNX supports the following MMD device addresses and their associated register addresses, which make up
the indirect MMD registers.
October 2012
40
M9999-103112-1.0
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