40-70Hz line frequency range
Sag detection
71M6512 / 71M6512H Block Diagram
CT Phase compensation ( 7°ꢀ
Battery backup for RAM and RTC
22mW @3.3V, 7.2μW battery backup
Flash memory option with security
CT/SHUNT
A
LOAD
POWER SUPPLY
NEUT
B
LOAD
8-bit MPU (80515ꢀ, 1 clock cycle per
instruction
CONVERTER
V3.3A V3.3D
GNDA GNDD
IA
VA
IB
REGULATOR
VBAT
+ -
Integrated ICE for MPU debug
High speed SSI serial output
RTC for time-of-use functions
Two event counter/timers
V2.5
TERIDIAN
71M6512
BATTERY
VB
5V BOOST
VLCD
TEMP
SENSOR
VOLTAGE REF
DIO, PULSE, SSI
VREF
VBIAS
VDRV
RAM
COM0..3
SEG 3..7/SSI
SEG 0..2,
SEG 8..19
SEG 24..32/
DIO 4..12
SERIAL PORTS
3.3V/5V
LCD
FLASH/ROM
TX
Watchdog timer, power fail monitor
LCD driver (up to 144 pixelsꢀ
Up to 16 general-purpose I/O pins
32kHz time base for RTC, CE, and MPU
64kB FLASH, 7kB total RAM
Two UARTs for IR and AMR
68-pin QFN package
AMR
RX
88.88.8888
COMPUTE
ENGINE
RX/DIO1
SENSE
IR
TX/DIO2
DRIVE/MOD
SEG 34..40/
DIO 14..20
COMPARATOR
MPU
RTC
TIMERS
POWER
V1
FAULT
IIC EEPROM
OSC/PLL
XIN
32 kHz
XOUT
ICE
TEST PULSES
Ordering Information
PART DESCRIPTION
ORDERING NUMBER
PACKAGE MARKING
71M6512
71M6512-IM/F
71M6512-IM
68-pin MLF, lead free, 0.5% accuracy
71M6512H
71M6512H-IM/F
71M6512H-IM
68-pin MLF, lead free, 0.1% accuracy
For immediate technical information and the name of a local representative or distributor,
visit www.teridian.com, send an e-mail to support@teridian.com or call (714ꢀ 508-8800.
No responsibility is assumed by Teridian Semiconductor Corporation for use of this product nor for any infringements of patents and trade-
marks or other rights of third parties resulting from its use. No license is granted under any patents, patent rights or trademarks of Teridian
Semiconductor Corporation, and the company reserves the right to make changes in specifications at any time without notice. Accordingly,
the reader is cautioned to verify that the data sheet is current before placing orders.
6440 Oak Canyon, Irvine, CA 92618-5201
714-508-8800 (Telꢀ
© 2007 Teridian Semiconductor Corporation
6/07 - rev 1.0
714-508-8878 (Faxꢀ
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
