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 |