ST78C34 Exar Corporation, ST78C34 Datasheet - Page 16

• Manufacturer Part Number: ST78C34
• Description: General Purpose Parallel Printer Port With 83 Byte Fifo
• Manufacturer: Exar Corporation

RESET
ST78C34
D0-D7
PD0-PD7
-IOW
-STROBE
-ACK
Rev. 3.00
FIFO EMPTY
`
Active
Active
Active
DATA-1
Printer auto FIFO mode
Active
Active
Active
6-18
FIFO mode entered after first -STROBE and -ACK
-STROBE generated internally
-INTP generated internally
FIFO EMPTY
Active
DATA-2
Active
Active
Active
FIFO EMPTY
DATA-3
Active
Active
16553-PW-2
DATA-4
Active
Active
Active