Pin Configuration Register Design Woksheet - Intel 386 User Manual

Intel386™ EX EMBEDDED MICROPROCESSOR USER'S MANUAL
Bit # P1CFG
7 0 = P1.7
1 = HLDA
6 0 = P1.6
1 = HOLD
5 0 = P1.5
1 = LOCK#
4 0 = P1.4
1 = RIO#
3 0 = P1.3
1 = DSR0#
2 0 = P1.2
1 = DTR0#
1 0 = P1.1
1 = RTS0#
0 0 = P1.0
1 = DCD0#
Bit # PINCFG
7 Reserved
6 0 = CS6#
1 = REFRESH#
5 0 = Coprocessor Sigs.
1 = TMR2 Signals
4 0 = DACK0#
1 = CS5#
3 0 = EOP#
1 = CTS1#
2 0 = DACK1#
1 = TXD1
1 0 = SRXCLK
1 = DTR1#
0 0 = SSIOTX
1 = RTS1#
Table 5-9. Pin Configuration Register Design Woksheet
5-34
Value Bit # P2CFG
7 0 = P2.7
1 = CTS0#
6 0 = P2.6
1 = TXD0
5 0 = P2.5
1 = RXD0
4 0 = P2.4
1 = CS4#
3 0 = P2.3
1 = CS3#
2 0 = P2.2
1 = CS2#
1 0 = P2.1
1 = CS1#
0 0 = P2.0
1 = CS0#
Value
1
2
Value Bit #
7
6
5
4
3
2
1
0
Pins w/o Muxes X
DRQ0
DCD1#
DRQ1
RXD1
DSR1#
STXCLK
RI1#
SSIORX
NOTES:
1
PEREQ, BUSY#, ERROR#
2
TMROUT2, TMRCLK2, TMRGATE2
P3CFG Value
0 = P3.7
1 = COMCLK
0 = P3.6
1 = PWRDOWN
0 = P3.5
1 = INT3
0 = P3.4
1 = INT2
0 = P3.3
1 = INT1
0 = P3.2
1 = INT0
0 = P3.1
1 = mux
0 = P3.0
1 = mux
Pins w/o Muxes X
TMRCLK0
INT4
TMRGATE0
INT5
TMRCLK1
INT6
TMRGATE1
INT7