DS_6613_018
78M6613 Data Sheet
7 I/O Equivalent Circuits
V3P3
V3P3
V3P3
V3P3
110K
Digital
Input
Pin
Digital
Input
Pin
CMOS
Input
Digital
Input
Pin
CMOS
Input
CMOS
Input
110K
GND
GND
GND
GND
Digital Input Type 3:
Standard Digital Input or
Digital Input Equivalent Circuit
Type 1:
Digital Input
Type 2:
pin configured as DIO Input
Standard Digital Input or
pin configured as DIO Input
with Internal Pull-Up
Pin configured as DIO Input
with Internal Pull-Down
V3P3
V3P3
V3P3
V3P3
Digital
Output
Pin
CMOS
Output
Comparator
Input
Pin
Analog
Input
Pin
To
To
MUX
Comparator
GND
GND
GND
GND
Digital Output Equivalent Circuit
Type 4:
Comparator Input Equivalent Circuit
Type 6:
Analog Input Equivalent Circuit
Type 5:
Standard Digital Output or
pin configured as DIO Output
Comparator Input
ADC Input
V3P3
from
VREF
Oscillator
Pin
To
Oscillator
internal
Pin
reference
GND
GND
Oscillator Equivalent Circuit
Type 7:
VREF Equivalent Circuit
Type 8:
Oscillator I/O
VREF
Figure 20: I/O Equivalent Circuits
Rev. 1.1
31
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
