参数资料
型号: ZL50408GDG2
厂商: CONEXANT SYSTEMS
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA208
封装: 17 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-192, LBGA-208
文件页数: 117/144页
文件大小: 1779K
代理商: ZL50408GDG2
ZL50408
Data Sheet
74
Zarlink Semiconductor Inc.
12.3
Indirectly Accessed Registers
12.3.1
(Group 0 Address) MAC Ports Group
12.3.1.1
ECR1Pn: Port n Control Register
IC Address: h000+n; CPU Address: h0000+2n (n = port number)
Accessed by CPU and IC (R/W)
Port 0 – 7 & 9: (RMAC & GMAC Ports)
8-bit CPU Interface
[7:0]
CTL_BUF2
W
Send control frame to command engine
Control frame format specified in Processor Interface application
note, ZLAN-26.
R
Receive control frame from command engine
Control frame format specified in Processor Interface application
note, ZLAN-26.
CTL_FRAME_BUF2
Width
Access
Address
Used to receive control frames
8/16-bit
R
7
Default:
00
Bit #
Name
Type
Description
16-bit or serial CPU Interface
[15:0]
CTL_BUF2
R
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.
8-bit CPU Interface
[7:0]
CTL_BUF2
R
Receive control frame from command engine
Control frame format specified in Processor Interface application
note, ZLAN-26.
Register Table 8 - 7, CTL_FRAME_BUF2
Bit [0]
Flow Control
0 - Enable (Default)
1 - Disable
Bit [1]
Duplex Mode
0 - Full Duplex (Default)
1 - Half Duplex - Only in 10/100 mode
Register Table 7 - 6, CTL_FRAME_BUF1 (continued)
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