參數(shù)資料
型號: LSI53C140
英文描述: LSI53C140 Ultra2 SCSI Bus Expander technical manual v2.1 9/01
中文描述: LSI53C140 Ultra2 SCSI總線擴(kuò)展器技術(shù)手冊2.1 9 / 01
文件頁數(shù): 14/166頁
文件大?。?/td> 1330K
代理商: LSI53C140
1-2
Using the Programming Guide
1.2 General Description
The LSI53C040 SAF-TE firmware controls an 80C32 microcontroller core
in the LSI53C040 device. This microcontroller is compatible with the Intel
MCS51 family. It runs independently in interrupt mode.
The LSI53C040 SAF-TE firmware contains three major architectural
components, each implementing a separate I/O interface to the chip. The
SCSI block governs the SCSI interface and implementation of all the
SCSI commands used to send data packets to the host. The Two-Wire
Serial (TWS) interface bus is primarily used as an input bus. See
Section 2.5, “TWS Bus,” page 2-9
for more detailed information.
1.3 Features
This section describes the LSI53C040 SAF-TE firmware capabilities and
associated features, which include MPIO/MPLED Mapping, TWS
Interface Peripheral Support, the SAF-TE Interface, and Programmable
Enclosure Configuration monitoring.
1.3.1 MPIO/MPLED Mapping
Ability to assign MPIO/MPLED pins to dedicated functions such as
drive, power supply, and fan status monitoring
Automatically configures MPIO/MPLED pins
Generates listing of assigned pins
Ability to modify blink patterns for LEDs
1.3.2 TWS Interface Peripheral Support
National Semiconductor LM75 2-Wire Serial Digital Temperature
Sensor and Thermal Watchdog
Dallas Semiconductor DS1621 2-Wire Serial Digital Thermometer
and Thermostat
National Semiconductor LM78 fan, power supply, and temperature
monitoring
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