參數(shù)資料
型號(hào)： 21440
廠商： Intel Corp.
英文描述： Multiport 10/100Mb/s Ethernet Controller(多端口10/100Mb/s 以太網(wǎng)控制器)
中文描述： 多端口10/100Mb/s以太網(wǎng)控制器（多端口支持10/100Mbps以太網(wǎng)控制器）
文件頁數(shù)： 39/92頁
文件大?。?/td> 1352K
代理商： 21440
21440 Multiport 10/100Mb/s Ethernet Controller
3-19
Register Descriptions
3.2.3.10
InterPacket Gap Register
The InterPacket gap register controls the interpacket gap.
The minimum value for IPS1 and IPS2 combined should be 22 (decimal) while the maximum
value for IPS1 and IPS2 combined should be 100 (decimal). Note that this means IPS1 and IPS2
may not both be their respective minimum values.
Bit Name
Bit Number
Bit Description
IPS2
15:8
This field contains the number of serial clocks for the second part of the
interpacket gap. Even if a carrier is sensed on the serial line, the 21440
continues to count time and transmit its packet, and thus forces a collision on
the network.
The interpacket gap value is in units of 4 bit times. Therefore, the default
value (09H) corresponds to 36 bit times and matches the standards
requirements.
The minimum value is 02H.
IPS1
7:0
This field contains the number of serial clock cycles for the first part of the
interpacket gap. If a carrier is sensed on the serial line during these clock
cycles (excluding the first 40-bit time after transmission), the 21440 defers its
transmission and waits until the line is idle.
The interpacket gap value is in units of 4 bit times. Therefore, the default
value (0FH) corresponds to 60 bit times and matches the standards
requirements.
The minimum value is 0AH.
Access Rules
Register access
R/W
Value after reset
090F (hexadecimal)
IPG
15 14 13 12 11 10 9 8
7 6 5 4 3 2 1 0
IPS1
IPS2
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參數(shù)描述
2-1440000-2 制造商:TE Connectivity 功能描述:relay, OMR-C-105H,V000
2-1440000-3 功能描述:低信號(hào)繼電器 - PCB OMR-C-105H V300 RoHS:否 制造商:NEC 觸點(diǎn)形式:2 Form C (DPDT-BM) 觸點(diǎn)電流額定值: 線圈電壓:5 V 最大開關(guān)電流:1 A 線圈電流:1 A 線圈類型:Non-Latching 功耗:140 mW 端接類型:SMT 絕緣: 介入損耗:
2-1440000-5 功能描述:低信號(hào)繼電器 - PCB OMR-C-109H V530 RoHS:否 制造商:NEC 觸點(diǎn)形式:2 Form C (DPDT-BM) 觸點(diǎn)電流額定值: 線圈電壓:5 V 最大開關(guān)電流:1 A 線圈電流:1 A 線圈類型:Non-Latching 功耗:140 mW 端接類型:SMT 絕緣: 介入損耗:
2-1440000-6 制造商:TE Connectivity 功能描述:Electromechanical Relay SPST-NO 0.5A 12VDC 1.05KOhm Through Hole 制造商:TE Connectivity 功能描述:EM RLY SPST-NO 0.5A 12VDC 1.05KOHM TH - Bulk 制造商:TE Connectivity 功能描述:RELAY REED SPST 500MA 12V
2-1440001-1 功能描述:通用繼電器 OMI-SH-206L 594 RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料:
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