ZL50400GDC ZARLINK [Zarlink Semiconductor Inc], ZL50400GDC Datasheet - Page 94
![no-image](/images/no-image-200.jpg)
ZL50400GDC
Manufacturer Part Number
ZL50400GDC
Description
Lightly Managed/Unmanaged 9-Port 10/100 M Ethernet Switch
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
1.ZL50400GDC.pdf
(124 pages)
- Current page: 94 of 124
- Download datasheet (723Kb)
12.3.7.6
CPU Address:h605
Accessed by CPU (R/W)
Note: Before programming MII command: set FEN[6], check MIIC3, making sure no RDY and no VALID; then
program MII command.
12.3.7.7
CPU Address:h606
Accessed by CPU (R/W)
Note: Before programming MII command: set FEN[6], check MIIC3, making sure no RDY and no VALID; then
program MII command. Writing this register will initiate a serial management cycle to the MII management
interface.
12.3.7.8
CPU Address:h607
Accessed by CPU (RO)
12.3.7.9
CPU Address:h608
Accessed by CPU (RO)
Bits [4:0]
Bit [5]
Bit [6]
Bit [7]
Bits [7:0]:
Bits [7:0]:
Bits [4:0]
Bits [6:5]
Bits [7]
MIIC2 – MII Command Register 2
MIIC3 – MII Command Register 3
MIID0 – MII Data Register 0
MIID1 – MII Data Register 1
MII Data [15:8]
VALID – Data Valid from PHY (Read Only)
PHY_AD – 5 Bit PHY Address
Reserved
RDY – Data is returned from PHY (Read Only)
REG_AD – Register PHY Address
OP – Operation code “10” for read command and “01” for write command
Reserved
MII Data [7:0]
Zarlink Semiconductor Inc.
ZL50400
94
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