參數(shù)資料
型號(hào): MDS212CG
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: 12-Port 10/100Mbps Ethernet Switch
中文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA456
封裝: 35 X 35 MM, 2.33 MM HEIGHT, MS-034, HSBGA-456
文件頁(yè)數(shù): 70/111頁(yè)
文件大小: 1609K
代理商: MDS212CG
MDS212
Data Sheet
70
Zarlink Semiconductor Inc.
18.2.1.5 DCR3 - Interfaces Status Register
Access:
Address:
Zero-Wait-State,
h7CC
Direct Access, Read only
Bit [3:0]
Reserved
Bit [7:4]
Mem_Stat
Buffer Memory Interface Status
Bit [4]
BB
Buffer Memory Busy, CPU interface is busy accessing Memory
Bit [5]
RE
Read FIFO Empty, the FIFO that CPU interface reads is empty
Bit [6]
WE
Write FIFO Empty, the FIFO that CPU writes is empty
Bit [7]
Res.
Reserved
Bit [11:8]
Que_Stat
Queue Manager Interface Status
Bit [8]
IQ_Rdy
CPU Input Queue is ready for CPU to write into queue
Bit [9]
IQ_Full
CPU Input Queue is full
Bit [31:12] Reserved
18.2.1.6 MEMP - Memory Packed Register
Access:
Address:
Non-Zero-Wait-State,
h7DC
Direct Access, Write/Read
Bit [7:0]
RCL
Read Cycle Limit (Unit is system Clock).
Threshold of reads cycle time.
Write Cycle Limit (Unit is system Clock).
Threshold of writes cycle time.
Not Packed
NP=0 Enable the feature of
memory read/write packed.
Default=16
Bit [15:8]
WCL
Default=16
Default=0
Bit [16]
NP
NP=1 Disable, memory
access will be a pure
round-robin scheme.
Bit [31:17] Reserved
Bit [30]
PSD
Master Device Enable
(Read only bit)
Default=1
1 =Primary
0 = Secondary
Bit [31]
MRDY
Option of merge the RDY and B_RDY as one pin
(Read only bit)
Default=1
0 = merged pin
1 = separated pins
31
25
24
21
20
16
15
12
11
8
7
4
3
2
0
1
Que_Stat
Mem_Stat
31
30
17
16
15
8
7
5
0
NP
WCL
RCL
相關(guān)PDF資料
PDF描述
MDS213 12-Port 10/100Mbps + 1Gbps Ethernet Switch
MDS213CG 12-Port 10/100Mbps + 1Gbps Ethernet Switch
MDS220 Analog IC
MDS221 Analog IC
MDS223 Analog IC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MDS213 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:12-Port 10/100Mbps + 1Gbps Ethernet Switch
MDS213CG 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:12-Port 10/100Mbps + 1Gbps Ethernet Switch
MDS217 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
MDS-21E09 制造商:ITT Interconnect Solutions 功能描述:BACKSHELL - Bulk
MDS21P-6AA-000 制造商:Amphenol Corporation 功能描述:MICRO D/18in WIRE 26AWG 7 STRD THRU HOLE