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SMM105 Single-Channel Supply Voltage Marginer and Active DC Output Controller Windows GUI Users Guide and Configuration Register Descriptions

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Download this entire Applications Note in PDF format. Navigate Application Notes   09 10 12 13 14 15 16 17 18 20 21 22 24 25 26 27 28 29 30 31 32 33 (PDF) 34 35 36 37 38 39 41 (PDF) 43 (PDF)		INTRODUCTION The information contained in Application Note 38 details the Configuration Register settings for the SMM105 single-channel supply voltage monitor and active DC output controller (ADOC). The SMM105 Windows Graphical User Interface (GUI) is also shown with the associated register and function highlighted. For additional explanation on device functionality related to the configuration registers, refer to the SMM105 Data Sheet. functions. The third are command registers to immediately operate the SMM105 functions. REGISTER FORMATS AND FUNCTIONS There are a total of 16 registers that are separated into four basic register types. The first are those that set a margin or nominal threshold where the binary value written to the register is used to compute an incremental voltage. The second type enables or disables a function or selects between two specific functions. The third are command registers to immediately operate the SMM105 functions. The fourth register types are volatile and non-volatile status registers that record device conditions and device tracking codes.
The device type identifier for the memory array, the configuration registers and the command and status registers are accessible with the same slave address. It can be programmed to any 4-bit number, 0000BIN through 1111BIN. The bus address bits A[2:0] are hard wired through address pins 2, 4 and 6 (A2, A1 and A0). The bus address accessed in the address byte of the serial data stream must match the setting of the SMM105 address pins. Configuration Registers are located in 00HEX thru 45HEX. The General-Purpose Memory array is located in 80HEX thru FFHEX.
Figure 1 - SMM105 Windows GUI Features
SMM105 Windows Graphical User Interface The SMM105 Windows GUI (Figure 1) is used with the SMX3200 programming 'Dongle'. It is an easy to use Graphical Interface that is compatible with Windows 95, 98, NT, 2000 and XP operating systems. The GUI consists of pull-down menus, check boxes, up/down buttons, etc. There are "mouse-overs" that define every function and an expert mode for directly entering data into the configuration registers. The GUI generates a checksum that can compare the programmed device configuration register values versus the hex contents.

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SUMMIT Microelectronics, Inc. reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. SUMMIT Microelectronics, Inc. assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement. Charts and schedules contained herein reflect representative operating parameters, and may vary depending upon a user's specific application. While the information in this publication has been carefully checked, SUMMIT Microelectronics, Inc. shall not be liable for any damages arising as a result of any error or omission. SUMMIT Microelectronics, Inc. does not recommend the use of any of its products in life support or aviation applications where the failure or malfunction of the product can reasonably be expected to cause any failure of either system or to significantly affect their safety or effectiveness. Products are not authorized for use in such applications unless SUMMIT Microelectronics, Inc. receives written assurances, to its satisfaction, that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; and (c) potential liability of SUMMIT Microelectronics, Inc. is adequately protected under the circumstances. Revision 1.1 - This document supersedes all previous. Please check the Summit Microelectronics, Inc. web site at www.summitmicro.com for updates. I2C is a trademark of Philips Corporation.

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