P0.1
10
11
BU
BU
P0.1: =
General purpose 4-state I/O port with
internal pull-up mechanism; can be
configured as open-drain output.
P3.3(INT1)
9
7
8
P3.3: =
General purpose 4-state I/O port with
internal pull-up mechanism; can be
configured as open-drain output.
INT1: =
External interrupt source
P3.4: =
P3.4(ECI/T0)
12
10
BU
General purpose 4-state I/O port with
internal pull-up mechanism; can be
configured as open-drain output.
ECI: =
External Clock Input to
Programmable Counter Array (PCA)
T0: =
Alternative clock input to timer-0
P3.5: =
P3.5 (CEX1/T1)
13
11
9
BU
General purpose 4-state I/O port with
internal pull-up mechanism; can be
configured as open-drain output.
CEX1: =
Capture Event trigger to
Programmable Counter Array (PCA)
module-1 or PWM output
T1: =
Alternative clock input to timer-1
P2.4: =
P2.4(CEX3)
14
12
BU
General purpose 4-state I/O port with
internal pull-up mechanism; can be
configured as open-drain output.
CEX3: =
Capture Event trigger to
Programmable Counter Array (PCA)
module-3 or PWM output
P2.5
15
13
BU
P2.5: =
General purpose 4-state I/O port with
internal pull-up mechanism; can be
configured as open-drain output.
VSS
P2.6
16
17
14
15
10
G
Ground
P2.6: =
General purpose 4-state I/O port with
BU
internal pull-up mechanism; can be
configured as open-drain output.
MEGAWIN
MPC82x54A Data Sheet
7
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
