6-18
ST78C34
Rev. 3.00
RESET
FIFO EMPTY
FIFO EMPTY` FIFO EMPTY
FIFO mode entered after first -STROBE and -ACK
-STROBE generated internally
-INTP generated internally
D0-D7
-IOW
-STROBE
-ACK
DATA-1 DATA-2 DATA-3 DATA-4
PD0-PD7
16553-PW-2
Active Active Active Active Active
Active Active Active Active Active
Active Active Active
Active
Active
Printer auto FIFO mode
6-19
ST78C34
Rev. 3.00
Printer FIFO timing with more than one byte in the FIFO
DATA DATA+1
0-2 CLOCK
0-2 CLOCK
3-6 CLOCKS
TSW
TSD
-ACK
FIFO READ
(INTERNAL)
PD OUTPUT
PORTS
-STROBE
DATA DATA+1
2-4 CLOCK
5-10 CLOCKS
TSW
TSD
FIFO READ
(INTERNAL)
PD OUTPUT
PORTS
-STROBE
BUSY SELECTED FOR FIFO OPERATION
BUSY
16553-PW-3
Active
Active
Active
Active
Active
6-20
ST78C34
Rev. 3.00
Printer FIFO, with one byte in the FIFO
TSD TSW
RESET
PD PORT
-IOW
PD OUTPUT
PORT
-STROBE
16553-PW-4
Active
Active
Active Active
Active
Active

ST78C34CP40-F

Mfr. #:
Manufacturer:
MaxLinear
Description:
I/O Controller Interface IC INTERNAL FIFO UART
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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