71M6543F-IGTR/F Maxim Integrated Products, 71M6543F-IGTR/F Datasheet - Page 150
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71M6543F-IGTR/F
Manufacturer Part Number
71M6543F-IGTR/F
Description
PMIC Solutions Precision Energy Meter IC
Manufacturer
Maxim Integrated Products
Type
Metering SoCr
Datasheet
1.71M6543F-DB.pdf
(157 pages)
Specifications of 71M6543F-IGTR/F
Core
8051
Core Architecture
8051
Data Bus Width
8 bit
Data Ram Size
5 KB
Device Million Instructions Per Second
5 MIPS
Interface Type
I2C, ICE, SPI, UART
Maximum Clock Frequency
5 MHz
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Programmable I/os
51
Number Of Timers
2
On-chip Adc
22 bit
Operating Supply Voltage
3 V to 3.6 V
Package / Case
LQFP-100
Processor Series
8051
Program Memory Size
64 KB
Program Memory Type
Flash
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
71M6543F-IGTR/F
Manufacturer:
Maxim Integrated
Quantity:
10 000
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71M6543F/H and 71M6543G/GH Data Sheet
6.8
6.8.1 71M6543 Power and Ground Pins
Pin types: P = Power, O = Output, I = Input, I/O = Input/Output. The circuit number denotes the equivalent
circuit, as specified under Section
150
72, 80
Pin
62
85
69
61
60
89
70
71
71M6543 Pin Descriptions
VBAT_RTC
V3P3SYS
V3P3D
V3P3A
GNDD
GNDA
Name
VLCD
VBAT
VDD
Type
O
O
O
P
P
P
P
P
P
© 2008–2011 Teridian Semiconductor Corporation
Table 112: 71M6543 Power and Ground Pins
Circuit
6.8.4 I/O Equivalent Circuits.
—
—
—
—
13
—
—
12
12
Analog Ground. This pin should be connected directly to the
ground plane.
Digital Ground. This pin should be connected directly to the
ground plane.
Analog Power Supply. A 3.3 V power supply should be
connected to this pin. V3P3A must be the same voltage as
V3P3SYS.
System 3.3 V Supply. This pin should be connected to a 3.3 V
power supply.
Auxiliary Voltage Output of the Chip. In mission mode, this
pin is connected to V3P3SYS by the internal selection switch.
In BRN mode, it is internally connected to VBAT. V3P3D is
floating in LCD and sleep mode. A bypass capacitor to ground
should not exceed 0.1 µF.
Output of the 2.5 V Regulator. This pin is powered in MSN and
BRN modes. A 0.1 µF bypass capacitor to ground should be
connected to this pin.
Output of the LCD DAC. A 0.1 µF bypass capacitor to ground
should be connected to this pin.
Battery Backup Pin to Support the Battery Modes (BRN, LCD).
A battery or super capacitor is to be connected between VBAT
and GNDD. If no battery is used, connect VBAT to V3P3SYS.
RTC and Oscillator Power Supply. A battery or super-capacitor
is to be connected between VBAT and GNDD. If no battery is
used, connect VBAT_RTC to V3P3SYS.
Function
v1.2
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