71M6545 MAXIM [Maxim Integrated Products], 71M6545 Datasheet - Page 131

• Manufacturer Part Number: 71M6545
• Description: Four-Quadrant Metering, Phase Metrology Processors Flash/RAM Size
• Manufacturer: MAXIM [Maxim Integrated Products]

PDS_6545_009
6.8.4 I/O Equivalent Circuits
v1.0
Digital
Input
Pin
Digital
CMOS
Output
Input
Pin
Digital
Input
Digital Output Equivalent Circuit
Pin
Digital Input Equivalent Circuit
pin configured as DIO Output
pin configured as DIO Input
Pin configured as DIO Input
pin configured as DIO Input
Standard Digital Output or
Standard Digital Input or
Standard Digital Input or
with Internal Pull-Down
Digital Input Type 3:
V3P3D
V3P3D
with Internal Pull-Up
GND
D
Digital Input
GND
GND
110K
D
Type 1:
Type 2:
Type 4:
GND
D
D
V3P3D
GND
110K
D
GND
V3P3D
V3P3D
D
CMOS
CMOS
Input
Output
V3P3D
Digital
Input
© 2008–2011 Teridian Semiconductor Corporation
Pin
CMOS
Input
Figure 39: I/O Equivalent Circuits
Oscillator
Comparator
Pin
Comparator Input Equivalent Circuit
Input
Oscillator Equivalent Circuit
Pin
Analog Input Equivalent Circuit
Analog
Input
Pin
V3P3D
Oscillator I/O
Comparator Input
V3P3A
Type 8:
GNDD
V3P3A
ADC Input
Type 6:
GNDA
Type 7:
GNDA
Oscillator
Comparator
To
MUX
To
To
VBAT_RTC
V3P3SYS
Pin
from
reference
V3P3D Equivalent Circuit
internal
from
reference
VREF Equivalent Circuit
Data Sheet 71M6545/H
internal
VBAT_RTC Equivalent
V2P5 Equivalent Circuit
from
VBAT_RTC Power
Circuit Type 12:
Type 13:
V3P3D
Type 9:
GNDD
Type 10:
VREF
V3P3A
10
V2P5
V3P3D
GNDA
GND
Power Down
D
VREF
Circuits
Pin
V2P5
V3P3D
Pin
Pin
131