71M6543F Maxim, 71M6543F Datasheet - Page 10

• Manufacturer Part Number: 71M6543F
• Description: The 71M6543F/71M6543H are Teridian's 4th-generation polyphase metering system-on-chips (SoCs) with a 5MHz, 8051-compatible MPU core, low-power real-time clock (RTC) with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

71M6543F/H and 71M6543G/GH Data Sheet
1
Introduction
This data sheet covers the 71M6543F (64KB, 0.5%), 71M6543H (64KB, 0.1%), 71M6543G (128KB,
0.5%) and 71M6543GH (128KB, 0.1%) 4th-generation Teridian polyphase energy measurement system-
on-chips (SoCs). The term “71M6543” is used when discussing a device feature or behavior that is
applicable to all four part numbers. The specific part numbers are used when discussing those features
that apply only to specific part numbers. This data sheet also covers details about the companion
71M6xx3 isolated current sensor device.
This document covers the use of the 71M6543 in conjunction with the 71M6xx3 isolated current sensor.
The 71M6543 and 71M6xx3 ICs make it possible to use one non-isolated and three additional isolated
shunt current sensors to create polyphase energy meters using inexpensive shunt resistors, while
achieving unprecedented performance with this type of sensor technology. The 71M6543 SoCs also
support Current Transformers (CT).
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8 Related Information
on
page
155
of this document.
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© 2008–2011 Teridian Semiconductor Corporation
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