MC68SC302PU20中文资料恩XP数据手册PDF规格书

FEATURES

PRELIMINARY

• ISA Bus Interface

— ISA Plug and Play Interface

— Glueless Connections to ISA

— 24mA Buffers for ISA Bus Pins

— Full Support of Plug and Play Standard

— All Chip Registers Accessed from ISA Bus.

— Support for 8- or 16-bit I/O or Memory ISA Cycles

— 11 Selectable Interrupt Output Pins to ISA Bus.

— Additional Chip Select Allows Another Device to Be Accessed from the ISA Bus.

— Plug and Play Register Settings Stored in External Low Cost E

2

PROM.

• PCMCIA Interface

— PC Card 95 Compatible

— Two CIS Storage Options:

• CIS stored in Serial E2PROM and Downloaded At Runtime to Internal Dual Port RAM

• CIS Optionally Stored in Parallel E2PROM on the PC Card Bus with Dedicated Chip Select, Saving

Dual Port RAM Buffer Space and Always Available for PC Accesses.