Intel 8XC196NT User Manual page 491

8XC196NT USER'S MANUAL
B.3 DEFAULT CONDITIONS
Table B-6 lists the default functions of the I/O and control pins of the 8XC196NT with their val-
ues during various operating conditions. Table B-5 defines the symbols used to represent the pin
status. Refer to the DC Characteristics table in the datasheet for actual specifications for V
V , and V .
OH IH
Symbol
0 Voltage less than or equal to V
1 Voltage greater than or equal to V
HiZ High impedance
LoZ0 Low impedance; strongly driven low
LoZ1 Low impedance; strongly driven high
Multiplexed
Port Pins
With
P0.7:4 ACH7:4
P1.7:0 EPA7:0
P2.0 TXD
P2.1 RXD
P2.2 EXTINT
P2.3 BREQ#
P2.4 INTOUT#
P2.5 HOLD#
P2.6 HLDA#
P2.7 CLKOUT
P3.7:0 AD7:0
P4.7:0 AD15:8
EPORT.3:0 AD19:17
P5.0 ALE
P5.1 INST
P5.2 WR#/WRL#
P5.3 RD#
P5.4 SLPINT
P5.5 BHE#/WRH#
P5.6 READY
P5.7 BUSWIDTH
P6.1:0 EPA9:8
P6.2 T1CLK
B-14
Table B-5. Definition of Status Symbols
Definition
, V
OL IL
, V
OH IH
Table B-6. 8XC196NT Pin Status
Status During
Reset
HiZ
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
CLKOUT active,
LoZ0/1
WK1
WK1
WK1
WK1
WK0
WK1
WK1
WK1
WK1
WK1
WK1
WK1
WK1
Symbol
MD0 Medium pull-down
MD1 Medium pull-up
WK0 Weak pull-down
WK1 Weak pull-up
ODIO Open-drain I/O
Status During
Idle
HiZ
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 6)
(Note 6)
(Note 7)
(Note 1)
(Note 1)
(Note 3)
(Note 3)
(Note 3)
(Note 1)
(Note 2)
(Note 2)
(Note 3)
(Note 3)
, V ,
OL IL
Definition
Status During
Powerdown
HiZ
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 4)
(Note 6)
(Note 6)
(Note 7)
(Note 1)
(Note 1)
(Note 3)
(Note 3)
(Note 3)
(Note 1)
(Note 2)
(Note 2)
(Note 3)
(Note 3)