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PDF BL0939 Data sheet ( Hoja de datos )
| Número de pieza | BL0939 | |
| Descripción | Consumer Miscellaneous | |
| Fabricantes | Shanghai Belling | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BL0939 (archivo pdf) en la parte inferior de esta página. Total 1 Páginas | ||
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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
BL0939
1
2
3
4
5
6
7
8
VDD OP4
IP1 OP3
IP2 OP2
RESET OP1
SDA NC
SCL L/T
OSC1 CLK32
OSC2 GND
16
15
14
13
12
11
10
9
16pin DIP
PIN CONFIGURATION
Lowest power clock inside.
24-hour time display.
Outputs four control signal.
Time accuracy to 0.5 second per day.
Four time points be set in random.
Operating ambient temperature range from –
Initialization clock and period can be
40 to 85 .
displayed on the programmer.
Minimal programmable period 30 min.
I2C Bus Interface.
Period control accuracy to 1min.
Periods shifting display.
Working according to the period sDeat.taSheet4U.coOmutput control pulse with 5V /10mA.
Keeping voltage: 2.7V to 6.0V.
BLOCK DIAGRAM
Low supply current under 1uA when power off.
IP1 OP_OUT
BL0932orBL0955
SELCET REG
IP2
orAD7755
SCL
SDA
I2C Interface
OSCIN
OSC
OSCOUT
DATA
COMPARE REG
LED_TEST
RTC PERIOD REG
DataShee
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1 page | ||
| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet BL0939.PDF ] | |
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