zl50411 Zarlink Semiconductor, zl50411 Datasheet - Page 73

• Manufacturer Part Number: zl50411
• Description: Managed 9-port Fast Ethernet Switch With Private Vlan
• Manufacturer: Zarlink Semiconductor

12.3
12.3.1
12.3.1.1
I²C Address: h000+n; CPU Address: h0000+2n (n = port number)
Accessed by CPU and I²C (R/W)
Port 0 – 7 & 9: (RMAC & MMAC Ports)
8-bit CPU Interface
[7:0]
CTL_FRAME_BUF2
Used to receive control frames
Bit #
16-bit or serial CPU Interface
[15:0]
8-bit CPU Interface
[7:0]
Indirectly Accessed Registers
(Group 0 Address) MAC Ports Group
Bit [0]
Bit [1]
ECR1Pn: Port n Control Register
CTL_BUF2
Name
CTL_BUF2
CTL_BUF2
Flow Control
0 - Enable (Default)
1 - Disable
Duplex Mode
0 - Full Duplex (Default)
1 - Half Duplex - Only in 10/100 mode
Register Table 7 - 6, CTL_FRAME_BUF1 (continued)
W
R
Type
R
R
Register Table 8 - 7, CTL_FRAME_BUF2
Zarlink Semiconductor Inc.
Send control frame to command engine
Control frame format specified in Processor Interface application
note, ZLAN-26.
Receive control frame from command engine
Control frame format specified in Processor Interface application
note, ZLAN-26.
Description
Receive control frame from command engine. Bits [7:0] is even
byte, [15:8] is odd byte.
Control frame format specified in Processor Interface application
note, ZLAN-26.
Receive control frame from command engine
Control frame format specified in Processor Interface application
note, ZLAN-26.
ZL50411
73
Default: 00
8/16-bit
Width
Access
R
Data Sheet
Address
7