71M6511 Maxim, 71M6511 Datasheet - Page 96

• Manufacturer Part Number: 71M6511
• Description: The 71M6511 and 71M6511H are highly integrated SoCs with an MPU core, RTC, flash, and LCD driver
• Manufacturer: Maxim

I/O Equivalent Circuits:
Page: 96 of 98
Digital
Input
Pin
Digital
Output
Input
CMOS
Pin
Digital
Digital Output Equivalent Circuit
Input
Digital Input Equivalent Circuit
Pin
A Maxim Integrated Products Brand
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
GNDD
Digital Input
GNDD
GNDD
110K
GNDD
Type 1:
Type 2:
Type 4:
V3P3D
GNDD
110K
GNDD
V3P3D
V3P3D
CMOS
CMOS
Input
Output
V3P3D
Digital
Input
Pin
CMOS
Input
© 2005–2010 Teridian Semiconductor Corporation
Oscillator
Comparator
Pin
Driver
Oscillator Equivalent Circuit
Input
LCD
Pin
LCD Output Equivalent Circuit
Analog Input Equivalent Circuit
Comparator Input Equivalent
Analog
Input
pin configured as LCD SEG
Pin
V3P3D
Oscillator I/O
V3P3A
Comparator Input
Circuit Type 7:
Type 8:
GNDD
LCD SEG or
V3P3A
ADC Input
Type 5:
Type 6:
GNDA
GNDA
GNDD
Oscillator
Single-Phase Energy Meter IC
Comparator
To
LCD SEG
Output
MUX
To
Pin
To
71M6511/71M6511H
DATA SHEET
VBAT
Pin
reference
VLCD
internal
Pin
reference
from
VLCD Equivalent Circuit
VBAT Equivalent Circuit
VREF Equivalent Circuit
internal
V2P5 Equivalent Circuit
from
VLCD Power
VBAT Power
Type 11:
Type 12:
Type 9:
GNDD
Type 10:
VREF
V3P3A
GNDD
V2P5
V3P3D
GNDA
GNDD
Drivers
VREF
Circuits
Power
Down
Pin
V2P5
LCD
Pin
NOVEMBER 2010
V2.7