Abov MC96F8204 Series

21
MC96F8204
ABOV Semiconductor Co., Ltd.
6.2 External Interrupt I/O Port
PULL-UP
REGISTER
VDD
VDD
PAD
VDD
OPEN DRAIN
REGISTER
DATA
REGISTER
DIRECTION
REGISTER
MUX
0
1
MUX
1
0
INTERRUPT
ENABLE
EXTERNAL
INTERRUPT
Q
D
CP
r
VDD
FLAG
CLEAR
POLARITY
REG.
MUX
1
0
DEBOUNCE
ENABLE
Q
D
CP
r
DEBOUNCE
CLK
CMOS or
Schmitt Level
Input
ANALOG CHANNEL
ENABLE
ANALOG INPUT
PORTx INPUT or
SUB-FUNC DATA INPUT
SUB-FUNC DIRECTION
SUB-FUNC ENABLE
SUB-FUNC DATA OUTPUT
Level Shift (ExtVDD to VDC)
Level Shift (VDC to ExtVDD)
Figure 6.2 External Interrupt I/O Port