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BL0939

Shanghai Belling
Part Number BL0939
Manufacturer Shanghai Belling
Description Consumer Miscellaneous
Published Sep 15, 2006
Detailed Description www.DataSheet4U.com BL0939 GENERAL DESCRIPTION BL0939 is an ASIC designed for multi-fee meter that can be applicable t...
Datasheet PDF File BL0939 PDF File

BL0939
BL0939

Overview
www.
DataSheet4U.
com BL0939 GENERAL DESCRIPTION BL0939 is an ASIC designed for multi-fee meter that can be applicable to electronic and mechanical meter.
With special programmer, it can provide multi-fee function required in the electro-energy measure system.
Clock initialization and period set can be done before leaving factory or when the meter installed.
It’s clock and period can be read or reset only when the meter taken down, so it’s easy to encrypt.
The specially designed low-power clock circuit assures that BL0939 will run BL0939 1 2 3 4 5 6 7 8 OP4 VDD OP3 IP1 OP2 IP2 RESET OP1 NC SDA L/T SCL OSC1 CLK32 GND OSC2 16 15 14 13 12 11 10 9 16pin DIP PIN CONFIGURATION ¡ñ ¡ñ ¡ñ ¡ñ Lowest power clock inside.
¡ñ ¡ñ Outputs four control signal.
Four time points be set in random.
24-hour time display.
Time accuracy to ¡À ¡ñ 0.
5 second per day.
Operating ambient temperature range from – 40 to 85¡æ ¡ñ ¡ñ .
Initialization clock and period can be displayed on the programmer.
¡ñ ¡ñ ¡ñ...


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