ETL9444/9445–ETL9344/9345
Figure 2 : Connection Diagrams.
Pin
L 7-L 0
G 3-G0
D 3-D 0
IN 3-IN 0
SI
SO
SK
CKI
CKO
RESET
VCC
GND
Description
8 Bidirectional I/O Ports with TRI-STATE®
4 Bidirectional I/O Ports
4 General Purpose Outputs
4 General Purpose Inputs (COP444L only)
Serial Input (or counter input)
Serial Output (or general purpose output)
Logic-controlled Clock (or general purpose output)
System Oscillator Input
System Oscillator Output (or general purpose input, RAM power supply, or SYNC input)
System Reset Input
Power Supply
Ground
Figure 3 : Input/output Timing Diagrams (crystal divide-by-16 mode).
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