當手機開機時,CPU便傳出一個復位信號REST給字庫,使系統(tǒng)復位。再待CPU把字庫的讀寫端,片選端選端后,CPU就可以從字庫內取出指令,在CPU里運算,譯碼,輸出各部分協(xié)調的工作命令,從而完成各自功能。字庫(FLASH)程序儲存器的軟件資料是通過數(shù)據(jù)交換端,地址交換端與微處理器進行通訊的。CE(CS)端為字庫片選端,OE端為讀允許端,REST端為系統(tǒng)復位端,這四個控制端分別者是由CPU加以控制。
TDA8024T/C1
74LVC00APW
EDEN 1000/400+
QSD8250
CEP75N06
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IT2205ME 16.369MHZ
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B772-Y-T89
74LVC1G04GW
NC7SZ04P5X
RB055L-40TE25
AO3407
W06G
2N7002GH
SS2040FL
SK24
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