Ei16C552
NOTES ON PIN DESCRIPTION:
1) Pin 4 and Pin 2 can be used by external crystal oscillator in future versions
2) Pin 23 and Pin 43 can be used as OUT20• and OUT21• respectively in future versions
ORDERING INFORMATION
Ei16C552-CJ68
68 Pin PLCC package
LIFE SUPPORT POLICY: Epic products are not to be used in life support devices without prior written
authorization.
Epic Semiconductor Inc. retains the right to make changes these specifications at any time, without notice.
Tri-state® is a Registered Trademark of National Semiconductor,Inc.
IBM PC AT™ and PS2 are Trademark s of International Business Machines.
BLOCK DIAGRAM
CTS0•
DSDR0•
RLSD0•
R10•
SIN0
CS0•
RTS0•
•
DTR0
SOUT0
INT0
UART
#1
TXRDY0•
RXRDY0*
8
DB0-DB7
8
CTS1•
DSR1•
RLSD1•
RI1•
SIN1
CS1•
RTS1•
DTR1•
SOUT1
INT1
UART
#2
TXRDY1•
RXRDY1•
SELECT
AND
3
A0-A2
IOW•
•
BDO
8
IOR•
CONTROL
LOGIC
RESET•
CLK
8
PD0-PD7
INIT•
ERR•
SLCT
BUSY
PE
AFD•
PARALLEL
PORT
STB•
SLIN•
INT2
ACK•
LPTOE•
CS2•
6
For additional information, contact IMP, Inc. at 408.432.9100 or visit www.impweb.com
IMP, Inc. acquired Epic products on January 26, 2001. (see press release at http://www.impweb.com/PRESS/PR012601.htm)
IMP [ IMP, INC ]
