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SMS46GR06 데이터시트(PDF) 1 Page - Summit Microelectronics, Inc.

부품명 SMS46GR06
상세설명  Quad Programmable Precision Supervisory Controller With Independent Resets and 4k-Bit Nonvolatile Memory
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제조업체  SUMMIT [Summit Microelectronics, Inc.]
홈페이지  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMS46GR06 데이터시트(HTML) 1 Page - Summit Microelectronics, Inc.

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1
Characteristics subject to change without notice
2083 1.1 06/04/04
SMS46
SUMMIT
MICROELECTRONICS, Inc.
©SUMMIT MICROELECTRONICS, Inc., 2004 • 1717 Fox Dr. • San Jose, CA 95131 • Phone 408-436-9890 • FAX 408-436-9897 •
www.summitmicro.com
PRELIMINARY INFORMATION 1
(SEE LAST PAGE)
Operational from any of four Voltage Monitoring
Inputs
Four Independent Programmable Reset Outputs
Programmability allows monitoring any voltage
between 0.6V and 5.6V with no external
components
Programmable 5mV steps in the low range
Programmable Watchdog Timer
Programmable Reset Pulse Width
Fault Status Register
4k-Bit Nonvolatile General Purpose Memory
APPLICATIONS
Desktop/Notebook/Tablet Computers
Multi-voltage Systems
Telecom/Network Servers
Portable Battery-powered Equipment
Set-top Boxes
Data-storage Equipment
Quad Programmable Precision Supervisory Controller With Independent
Resets and 4k-Bit Nonvolatile Memory
FEATURES
INTRODUCTION
The SMS46 is a highly programmable voltage supply
controller and supervisory circuit designed specifically for
advanced systems that need to monitor multiple voltages.
The SMS46 can monitor four separate voltages without the
need of any external voltage divider circuitry. This allevi-
ates the need for factory-trimmed threshold voltages and
the use of external components to accommodate different
supply voltages and tolerances.
The SMS46 has four programmable independant reset
outputs to control different devices for varying reset condi-
tions such as UV, OV, watchdog and user pushbutton
applications.
The SMS46 watchdog timer has a user programmable
time-out period and it can be placed in an idle mode for
system initialization or system debug. All of the functions
are user accessible through an industry standard I2C serial
interface.
Programming of configuration, control and calibration val-
ues by the user is simplified with the SMX3200 interface
adapter and Windows GUI software obtainable from Sum-
mit Microelectronics.
SIMPLIFIED APPLICATION DRAWING
Figure 1 - Precision Quad Power Supply Monitor can monitor any voltage over the range of 0.6V to 5.6V.
One of the four supplies must be above 2.7V to power the SMS46.
V0
V1
V2
V3
RESET#0
RESET#3
VDD_CAP
RESET#1
RESET#2
I2C
3.3V
2.5V
1.8V
1.2V
SMS46
A2 A1 SDA SCL
7
6
9
10
1
16
2
3
14
MR#
Monitored
Supplies
15
WLDI
GND
8
13
12
11
5
4
0.1µF
Vpullup (0 to +12V)
uP/DSP
ASIC/FPGA
Logic
LCD
From uP
RESET#


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