参数资料
型号: 91C94
厂商: SMSC Corporation
英文描述: ISA/PCMCIA SINGLE CHIP ETHERNET CONTROLLER WITH RAM
中文描述: 的ISA / PCMCIA的单芯片以太网控制器与RAM
文件页数: 47/120页
文件大小: 447K
代理商: 91C94
32
ATTRIBUTE MEMORY SPACE
(PCMCIA mode only)
OFFSET
8002
NAME
CONFIGURATION/STATUS REGISTER
TYPE
READ/WRITE
SYMBOL
CSR
0
IOis8
0
INTR
0
IOis8 - This bit when set, indicates to the
LAN91C94 that the host is limited to 8 bit
interface. In PCMCIA mode the LAN91C94 will
operate in 8 bit mode whenever ((IOis8= 1) +
(nEN16 = 1) . (16BIT = 0)).
Otherwise the
LAN91C94 operates in 16 bit mode.
INTR - This read only bit reflects the status of
the nIREQ pin. The INTR bit is set when nIREQ
is low, and clear when nIREQ is high.
NOTE: The COR and CSR bits have no effect
on ISA mode.
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