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徒弟:T28型主要元器件代号、名称及功能作用如何?师傅:主要元器件代号、名称及功能作用如下:B320为13MHz 晶振;D300为 RX 频率合成器;D430为 DCS 频段滤波器;D431为 GSM 滤波器;D600为 CPU;D610为闪存存储器;D630为暂存存储器;D900为数字信号处理(DSP)集成电路,具有语音调制及解调和形成数字音频信号的功能;H600为振铃电路;H623为显示接口;J602为底部接口。即底部接口
Apprentice: T28 main components code, name and function of how? Master: The main components of the code name and function as follows: B320 for 13MHz crystal; D300 for the RX frequency synthesizer; D430 for the DCS band filter; D431 for the GSM D600 for the CPU; D610 for the flash memory; D630 for the temporary memory; D900 for the digital signal processing (DSP) integrated circuits, with voice modulation and demodulation and the formation of digital audio signals; H600 ringing circuit; H623 For the display interface; J602 for the bottom interface. The bottom interface