ST78C34 Exar Corporation, ST78C34 Datasheet - Page 17

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

BUSY SELECTED FOR FIFO OPERATION
-ACK
FIFO READ
(INTERNAL)
PD OUTPUT
PORTS
-STROBE
BUSY
FIFO READ
(INTERNAL)
PD OUTPUT
PORTS
-STROBE
Rev. 3.00
2-4 CLOCK
0-2 CLOCK
Printer FIFO timing with more than one byte in the FIFO
5-10 CLOCKS
DATA
DATA
Active
Active
Active
3-6 CLOCKS
6-19
0-2 CLOCK
TSD
TSD
ST78C34
DATA+1
DATA+1
TSW
TSW
Active
Active
16553-PW-3