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EU1010 Datasheet(PDF) 11 Page - Eorex Corporation |
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EU1010 Datasheet(HTML) 11 Page - Eorex Corporation |
11 / 21 page eorex EU1010 Feb.2009 www.eorex.com Figure_C Timer1 Address 06H bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 Name T1BF0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 Read or Write R/W R/W R/W R/W R/W R/W R/W R/W Default Value # # # # # # # # Address 07H bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 Name T1BF1 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 Read or Write R/W R/W R/W R/W R/W R/W R/W R/W Default Value # # # # # # # # Timer1 is a 16-bit down count timer. T1BF0(06H)/low byte and T1BF1(07H)/high byte are timer1 preload buffer. Timer1 clock source could come from CPU main oscillator (Fosc), refer to figure_D. Timer1 can work in two kinds of operating mode. One mode is normal 16-bit timer/counter mode and the other one is specially designed for different interrupt time period. Figure_D Timer/counter mode If T1C.4 (08H.4)=PWM1=0, timer1 works as 16-bit timer/counter mode, register timer1 will down count by every input clock when timer1 turns on by T1EN=1. When timer1 is down count from 0000H to FFFFH, T1F bit will be set to “1”. At the same time, if T1INT=1, the timer1 interrupt occurs. Timer1 will automatically reload data from preload buffer T1BF0(06H) and T1BF1(07H). Therefore, user can preset T1BF0(06H) and T1BF1(07H) buffer data before different interrupt time duties caused by timer1 11/21 |
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