Intel 8XC196MC User Manual
B-25
SIGNAL DESCRIPTIONS
Table B-9. 8XC196MH Default Signal Conditions
Port Signals
Alternate
Functions
During
RESET#
Active
Upon
RESET#
Inactive
(Note 12)
Idle
Powerdown
P0.5:0
ACH5:0
HiZ
—
HiZ
HiZ
P0.6
ACH6/T1CLK
HiZ
—
HiZ
HiZ
P0.7
ACH7/T1DIR
HiZ
—
HiZ
HiZ
P1.0
TXD0
WK1
WK1
(Note 10)
(Note 10)
P1.1
RXD0
WK1
WK1
(Note 10)
(Note 10)
P1.2
TXD1
WK1
WK1
(Note 10)
(Note 10)
P1.3
RXD1
WK1
WK1
(Note 10)
(Note 10)
P2.0
EPA0
WK1 (Note 1)
WK1
(Note 10)
(Note 10)
P2.1
BCLK0 /SCLK0#
WK1
WK1
(Note 10)
(Note 10)
P2.2
EPA1
WK1
WK1
(Note 10)
(Note 10)
P2.3
COMP3
WK1
WK1
(Note 10)
(Note 10)
P2.5:4
COMP1:0
WK1
WK1
(Note 10)
(Note 10)
P2.6
COMP2
MD1 (Note 1)
MD1
(Note 10)
(Note 10)
P2.7
BCLK1 /SCLK1#
WK1
WK1
(Note 10)
(Note 10)
P3.7:0
AD7:0
WK1
HiZ
(Note 10)
(Note 3)
P4.7:0
AD15:8
WK1
HiZ
(Note 3)
(Note 3)
P5.0
ADV#/ALE
WK1 (Note 1)
(Note 6)
(Note 6)
(Note 6)
P5.1
INST
WK1
WK1
(Note 7)
(Note 7)
P5.2
WR#/WRL#
WK1 (Note 1)
WK1
(Note 8)
(Note 8)
P5.3
RD#
WK1 (Note 1)
(Note 4)
(Note 8)
(Note 8)
P5.4
ONCE#
MD1 (Note 1)
MD1
(Note 8)
(Note 8)
P5.5
BHE#/WRH#
WK1
(Note 5)
(Note 10)
(Note 10)
P5.6
READY
WK1
WK1
(Note 9)
(Note 9)
P5.7
BUSWIDTH
WK1
WK1
(Note 9)
(Note 9)
P6.0
WG1#
WK1
WK1
(Note 11)
(Note 11)
P6.1
WG1
WK1
WK1
(Note 11)
(Note 11)
P6.2
WG2#
WK1
WK1
(Note 11)
(Note 11)
P6.3
WG2
WK1
WK1
(Note 11)
(Note 11)
P6.4
WG3#
WK1
WK1
(Note 11)
(Note 11)
P6.5
WG3
WK1
WK1
(Note 11)
(Note 11)
P6.6
PWM0
WK0
WK1
(Note 11)
(Note 11)
P6.7
PWM1
WK0
WK1
(Note 11)
(Note 11)
—
EA#
HiZ
—
HiZ
HiZ
—
EXTINT
HiZ
—
HiZ
HiZ
—
NMI
WK0
—
WK0
WK0
—
RESET#
LoZ0/HiZ
(Note 2)
—
HiZ
HiZ
—
V
PP
HiZ
—
LoZ1
LoZ1