MC96FR116C
28
November, 2018 Rev.1.8
6.2 External Interrupt I/O Port
VDD
VDD
VDD
PAD
SUB-FUNC ENABLE
LevelShift ( 1.8V to ExtVDD)
LevelShift (ExtVDD to 1.8V)
SUB-FUNC DATA OUTPUT
PxIO
(direction)
SUB-FUNC DIRECTION
0
1
MUX
MUX
1
0
PORTx INPUT
SUB-FUNC
DATA INPUT
ANALOG CHANNEL
ANALOG INPUT
0
1
MUX
r
D
CP
Q
VDD
EXTERNAL
INTERRUPT
INTERRUPT
ENABLE
EDGE
REG
FLAG
CLEAR
POLARITY
REG
CMOS or
Schmitt Level
Input
Px
(data)
PxOD
(open-drain)
PxPU
(pull-up selection)
BODR
PxBPC
(pull-up control)
R(400
Ω
)
Figure 6-2 I/O with external interrupt function