ST78C34CP40 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'ST78C34CP40' PDF : 21 Pages View PDF
Figure 2, BLOCK DIAGRAM
D0-D7
-IOR
-IOW
RESET
A0-A1
-CS
INT
INTSEL
ST78C34
Printer
FIFO
Registers
Printer
Data
Ports
Printer
Control
Logic
PD0-PD7
-STROBE
INIT
-AUTOFDX
-SELCTIN
PE, SELECT
BUSY, -ACK
-ERROR
Clock
&
Timing
Generator
XTAL2
XTAL1
Rev. 3.00
6-5
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