參數(shù)資料
型號: 7643
英文描述: IrDA. protocol handler plus endec for DCE Apps, -40C to +85C, 18-SOIC 300mil, TUBE
中文描述: 7643Group數(shù)據(jù)表數(shù)據(jù)表1369K/JUL.30.03
文件頁數(shù): 23/120頁
文件大?。?/td> 1369K
代理商: 7643
Rev.1.00 Jul 30, 2003 page 23 of 119
7643 Group
Key Input Interrupt (Key-on Wake-Up)
A key input interrupt request is generated by applying “L” level to any
pin of port P2 that have been set to input mode. In other words, it is
generated when AND of input level goes from “1” to “0”. An example
of using a key input interrupt is shown in Figure 18, where an inter-
rupt request is generated by pressing one of the keys consisted as
an active-low key matrix which inputs to ports P2
0
–P2
4
.
Fig. 18 Connection example when using key input interrupt and port P2 block diagram
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相關PDF資料
PDF描述
765-11-(SERIES) Analog IC
765-11-20K Analog IC
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765-11E 8 BIT INPUT/OUTPUT EXPANDER, I2C INTERFACE, -40C to +125C, 20-QFN, TUBE
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