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參數(shù)資料
| 型號(hào)： | MX98742 |
| 英文描述： | FEBC 100 Base Fast Ethernet Bridge Controller |
| 中文描述： | FEBC 100基地快速以太網(wǎng)橋控制器 |
| 文件頁數(shù)： | 7/36頁 |
| 文件大?。?/td> | 166K |
| 代理商： | MX98742 |
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7
MX98745
P/N:PM0427
REV. 1.4, JUL. 8, 1998
D. Management, 2 pins
PAD #
38
Name
MDC
I/O
I,
TTL
I/O,
TTL
Description
Management Data Clock. The timing reference for MDIO.
The minumum high and low times are 200 ns each.
Management Data Input/Output. A bi-directional signal.
The selection of input/output direction is based on IEEE802.3u management
functions (Section 22.2.4).
39
MDIO
E. Test/Miscellaneous, 5 pins
PAD #
33
Name
TEST
I/O
I
Description
Test. Industrial test pin. Set to 0 for normal operation.
When programmed to logic 1, XRC II is in test mode.
Test Select. Used by industrial test. Internal Pulldown.
Set to 0 for normal operation.
Collision LED. Active low. When there is collision within the XRC II, XCOLED
will be on for 80ms and off for 20ms.
Scrambler Control. Active High. When this pin is set to 0. All TX port will be
set to descramble mode, i.e. contents of register #17 will be disabled. When
this pin is set to 1. Each port's scrambler/descrambler is controller by corre
sponding bit in register #17. Internally pullup.
Reset. Active Low. Will be filtered by LSCLK within the MX98745.
32
TSEL
I
34
XCOLED
O,
LED
I,
TTL
35
SCRCTRL
36
RESETL
I,
Sche
I,
TTL
31
IBMON
Internal Bus Monitor. In house debugging usage. Internally pull down.
Table 5-1 Pin Description for XRC II (Continued)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MX98743 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Communications Controller |
| MX98745 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:100 BASE-TX/FX REPEATER CONTROLLER |
| MX98746 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:100 Base-TX/FX 5-Port Class II Repeater Controller |
| MX98747 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10/100M 8PORT DUAL SPEED HUB CONTROLLER |
| MX98748 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Highly Intergated 10/100M Dual Speed Hub With Extra 4 Port Switch Built-In |
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