Intel 80C196NU ユーザーズマニュアル
B-1
APPENDIX B
SIGNAL DESCRIPTIONS
This appendix provides reference information for the pin functions of the 8XC196NP and
80C196NU.
80C196NU.
B.1
FUNCTIONAL GROUPINGS OF SIGNALS
Table B-1 lists the signals for the 8XC196NP and 80C196NU, grouped by function. A diagram
of each package that is currently available shows the pin location of each signal.
of each package that is currently available shows the pin location of each signal.
NOTE
As new packages are supported, they will be added to the datasheets first. If
your package type is not shown in this appendix, refer to the latest datasheet to
find the pin locations.
your package type is not shown in this appendix, refer to the latest datasheet to
find the pin locations.
Table B-1. 8XC196NP and 80C196NU Signals Arranged by Function
Address & Data
Processor Control
Input/Output
Bus Control & Status
A19:0
EA# (NP only)
EPORT3:0
ALE
AD15:0
EXTINT3:0
P1.3:0/EPA3:0
BHE#/WRH#
NMI
P1.4/T1CLK
BREQ#
Power & Ground
ONCE
P1.5/T1DIR
CLKOUT
V
CC
PLLEN1 (NU only)
P1.6/T2CLK
CS5:0#
V
SS
PLLEN2 (NU only)
P1.7/T2DIR
HOLD#
RESET#
P2.0/TXD
HLDA#
RPD
P2.1/RXD
INST
XTAL1
P2.7:2
RD#
XTAL2
P3.7:0
READY
P4.2:0/PWM2:0
WR#/WRL#
P4.3