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參數(shù)資料
| 型號(hào)： | COM20019ILJP |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 微控制器/微處理器 |
| 中文描述： | 1 CHANNEL(S), 312.5K bps, LOCAL AREA NETWORK CONTROLLER, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁(yè)數(shù)： | 24/65頁(yè) |
| 文件大?。?/td> | 386K |
| 代理商： | COM20019ILJP |
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Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
Rev. 09-25-07
Page 30
SMSC COM20019I
DATASHEET
DATA
COMMAND
DESCRIPTION
0000 c101
Define
Configuration
This command defines the maximum length of packets that may
be handled by the device. If "c" is a logic "1", the device
handles both long and short packets. If "c" is a logic "0", the
device handles only short packets.
000r p110
Clear Flags
This command resets certain status bits of the COM20019I. A
logic "1" on "p" resets the POR status bit and the EXCNAK
Diagnostic status bit. A logic "1" on "r" resets the RECON
status bit.
0000 1000
Clear
Receive
Interrupt
This command is used only in the Command Chaining
operation. Please refer to the Command Chaining section for
definition of this command.
Table 6.6 - Address Pointer High Register
BIT
BIT NAME
SYMBOL
DESCRIPTION
7
Read Data
RDDATA
This bit tells the COM20019I whether the following access
will be a read or write. A logic "1" prepares the device for
a read, a logic "0" prepares it for a write.
6
Auto Increment
AUTOINC
This bit controls whether the address pointer will
increment automatically. A logic "1" on this bit allows
automatic increment of the pointer after each access,
while a logic "0" disables this function. Please refer to the
Sequential Access Memory section for further detail.
5-3
(Reserved)
These bits are undefined.
2-0
Address 10-8
A10-A8
These bits hold the upper three address bits which
provide addresses to RAM.
Table 6.7 - Address Pointer Low Register
BIT
BIT NAME
SYMBOL
DESCRIPTION
7-0
Address 7-0
A7-A0
These bits hold the lower 8 address bits which provide the
addresses to RAM.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| COM20019I-LJP | 制造商:SMSC 制造商全稱:SMSC 功能描述:Low Cost ARCNET(ANSI 878.1) Controller with 2k X 8 On-Board RAM |
| COM20019ILJP3V | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC ARCNET Contrllr RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| COM20019ILJPTR | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Arcnet (ANSI 878.1) Controllr 2k x 8 Ram RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| COM20019IP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| COM20020 | 制造商:SMSC 制造商全稱:SMSC 功能描述:COM20020 3.3V ULANC Universal Local Area Network Controller with 2K x 8 On-Board RAM |
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