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參數(shù)資料
| 型號： | 22450C |
| 英文描述： | MicroManager Chip |
| 中文描述： | 手動？lanSC520微控制器的客戶開發(fā)平臺（CDP）的用戶手冊 |
| 文件頁數(shù)： | 39/78頁 |
| 文件大小： | 1849K |
| 代理商： | 22450C |
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élanSC520 Microcontroller Customer Development Platform User’s Manual
2-7
In addition to these features, the élanSC520 microcontroller provides a high-
performance SDRAM controller, ROM/Flash controller, flexible address-mapping
hardware, general-purpose bus interface, clock generation, integrated peripherals,
JTAG boundary scan test interface, and various system test and debug features.
For more information about the élanSC520 microcontroller, refer to the
élanSC520 Microcontroller Data Sheet
,
élanSC520 Microcontroller User’s
Manual
, and the
élanSC520 Microcontroller Register Set Manual
, which are
included in your kit.
10/100BaseT Ethernet Controller
The élanSC520 microcontroller CDP contains the Am79C973 PCnet-
FAST
III
Ethernet controller chip. The high-performance 10/100BaseT Ethernet port enables
the élanSC520 microcontroller CDP to connect to a high-bandwidth LAN.
External magnetics for a built-in transceiver (PHY) are utilized for a full-duplex
implementation with an RJ45 10/100BaseT connector.
The Am79C973 device logically resides on the PCI bus and is wired for full bus-
mastering capability. The PCI address bit 27 is used for the IDSEL pin of the
Am79C973 device. The Am79C973 registers can be configured by either the PCI
configuration space mechanism, or by downloading the configuration information
from a dedicated serial EEPROM (part U30). A 4K serial EEPROM is used so that
other board-level configuration information can be stored with the Am79C973
device configuration parameters. CodeKit software is provided to read and write
the serial EEPROM so it can be used for a wide variety of applications.
Figure 2-4 shows a block diagram of the 10/100BaseT Ethernet.
Figure 2-4. On-Board 10/100 Mbit/s Ethernet Controller Block Diagram
PCI Bus
Magnetics
PE-H1081
RJ45
PCnet-
FAST III
Am79C973
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