
P R E L I M I N A R Y
BLOCK DIAGRAM
Bus Interface Unit
MD[7:0] MA[16:0]
IREQ | 
PCMCIA  | 
or  | 
ISA Control Signals  | 
CLKIN  | 
System  | 
  | 
  | |
Interrupt  | 
  | CA16  | |
Generator  | Latch  | ALE  | |
  | |||
Address Buffer  | Bus  | ||
  | 
  | ||
Data Buffer  | Multi-  | ||
  | plexer  | 
  | |
SIR0 | MIR0 | 
  | |
MIR1 | 
  | ||
SIR1 | 
  | ||
...  | 
  | ||
...  | 
  | ||
MIR15 | 
  | ||
SIR7 | 
  | ||
  | 
  | ||
Slave  | 
  | MOE  | |
Control  | Slave  | MWE  | |
PCMCIA  | |||
and ISA  | Control  | UCS  | |
Memory  | and  | ||
  | |||
and I/O  | Arbitration  | LCS  | |
  | |||
  | for  | SRDY | |
PCMCIA  | Memory  | ||
  | |||
Config Registers  | Interface  | XCE  | |
  | Bus  | FCE  | |
Plug and Play  | 
  | ||
  | 
  | ||
Control Module  | 
  | TAICE  | |
ISA Memory Base  | 80188  | SCE  | |
Interrupt  | INT1 | ||
ISA I/O Base  | Generator  | ||
  | |||
  | 
  | RESET  | 
4  | Am79C930  |