这里我们提供DS2437单片机的基本功能特征的详细介绍供客户参考。我们知道，在芯片解密/IC解密/单片机解密过程中，对需解密的IC芯片有一定的了解是必须的，这样才能根据芯片本身的特征来判定加解密特征，技术人员才能够根据特征选择合适的解密方案。
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DS2437单片机基本描述：
The DS2437 Smart Battery Monitor provides several functions that are desirable to carry in a battery pack: a means of tagging a battery pack with a unique serial number;
a direct-to-digital temperature sensor which eliminates the need for thermistors in the battery pack;
a real-time clock; and 40 bytes of nonvolatile EEPROM memory for storage of important parameters such as battery capacity, capacity remaining, and indication of battery cycling.
Information is sent to/from the DS2437 over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS2437. This means that battery packs need only have three output connectors: battery power, ground, and the 1-Wire interface.
Because each DS2437 contains a unique silicon serial number, multiple DS2437s can exist on the same 1- Wire bus. This allows multiple battery packs to be charged or used in the system simultaneously.Applications for the smart battery pack monitor include portable computers, portable/cellular telephones,and handheld instrumentation battery packs in which it is critical to monitor real-time battery performance. Used in conjunction with a microcontroller in the battery pack or host system, the DS2437provides a complete smart battery pack solution that is fully chemistry-independent.DS2437 FEATURES：
•Unique 1-WireTM interface requires only one nport pin for communication
•Provides unique 64-bit serial number to battery packs
•Eliminates thermistors by sensing battery temperature on-chip
•On-board A/D converter allows monitoring of battery voltage for end-of-charge and end-ofdischarge determination
•On-board integrated current accumulator facilitates gas gauging
•Real-time clock in binary format
•40-byte nonvolatile user memory available for storage of user data such as gas gauge and manufacturing information
•Operating range -40°C to +85°C
•Applications include portable computers,portable/cellular phones, consumer electronics, and handheld instrumentation
