參數(shù)資料
型號(hào): MX98905B
廠商: Macronix International Co., Ltd.
英文描述: IEEE 802.3, 10BASE5, 10BASE2 Controller and Integrated Bus Interface(IEEE 802.3, 10BASE5, 10BASE2控制器和集成總線接口)
中文描述: IEEE 802.3標(biāo)準(zhǔn),10BASE5,10Base2的控制器和集成總線接口(IEEE 802.3標(biāo)準(zhǔn),10BASE5,10Base2的控制器和集成總線接口)
文件頁(yè)數(shù): 45/86頁(yè)
文件大?。?/td> 352K
代理商: MX98905B
45
P/N: PM0365
REV. 1.3, NOV 20 ,1995
MX98905B
3.3 HARDWARE CONFIGURATION REGISTER C (CC) (Continued)
SYMBOL
BIT
DESCRIPTION
COMP
D4
COMPATIBLE.
When this bit is low, the MX98905 is compatible with the EtherCard
PLUS and Novell NE2000 boards. In compatible mode, only 16 kbytes RAM memory
are accessible. When this bit is set high, full 64 kbytes of memory can be accessed.
INTMOD
D5
INTERRUPT MODE.
When this bit is low, the MX98905 is in Direct Drive Interrupt
mode. When it is high, Coded Output interrupt mode is selected.
CLKSEL
D6
CLOCK SELECT.
If this bit is high, the MX9890 core is clocked by the input BSCLK
pin. If it is low, the MX9890 core is clocked by the 20MHz clock from internal MCC
module.
SOFEN
D7
SOFTWARE ENABLE.
0 :
1 :
User can program Configuration Register A and B in software.
CA and CB are not accessible.
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