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EU1010 Scheda tecnica(PDF) 6 Page - Eorex Corporation |
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EU1010 Scheda tecnica(HTML) 6 Page - Eorex Corporation |
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6 / 21 page ![]() eorex (Preliminary) EU1010 / EU1011 Aug.2007 www.eorex.com RTC timer, Base timer interrupt and Watch Dog timer Address 03H Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 NAME UCCLK # BASE1 BASE0 RTC1 RTC0 RCSEL2 RCSEL1 RESEL0 Read or Write W W W W W W W W Default Value 0 0 0 0 0 0 0 0 Real time counter The EU101x build-in a real time counter interrupt and its clock source is optioned in UCCLK.7 bit (CKSEL). Its frequency could be optioned by UCCLK.4 & UCCLK.3 that could select real time interrupt frequency. For example, if the clock source come from ExCLK/PB3 (when CKSEL=1) and the input frequency is 32,768Hz, select “[RTC1, RTC0] = [0, 1]” and it will cause 2Hz interrupt when real time counter interrupt enabled (RTCINT=1) & (RTCEN=1). RTC1 RTC0 TRTC 0 0 TT/32 0 1 TT/64 1 0 TT/128 1 1 TT/256 6/21 |
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