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HT48R064 Datasheet(PDF) 33 Page - Holtek Semiconductor Inc |
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HT48R064 Datasheet(HTML) 33 Page - Holtek Semiconductor Inc |
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33 / 94 page  HT48R063/064/065/066/0662/067 Rev. 1.30 33 June 11, 2010 The different kinds of resets all affect the internal registers of the microcontroller in different ways. To ensure reliable continuation of normal program execution after a reset occurs, it is important to know what condition the microcontroller is in after a particular reset occurs. The following table describes how each type of reset affects each of the microcontroller internal registers. Register Power-on Reset RES or LVR Reset WDT Time-out (Normal Operation) WDT Time-out (Idle/Sleep) PCL ······ 0000 0000 0000 0000 0000 0000 0000 0000 MP0 ·· 1xxx xxxx 1uuu uuuu 1uuu uuuu 1uuu uuuu MP1 ·· 1xxx xxxx 1uuu uuuu 1uuu uuuu 1uuu uuuu MP0 ···· xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu MP1 ···· xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu BP · · ---- --- 0 ---- --- 0 ---- --- 0 ---- --- u ACC ······ xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu TBLP ······ xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu TBLH ·· - - xx xxxx -- uu uuuu -- uu uuuu -- uu uuuu ··· - xxx xxxx - uuu uuuu - uuu uuuu - uuu uuuu · xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu WDTS ······ ---- - 111 ---- - 111 ---- - 111 ---- - uuu STATUS ······ - - 00 xxxx -- uu uuuu -- 1u uuuu -- 11 uuuu INTC0 ······ - 000 0000 - 000 0000 - 000 0000 - uuu uuuu INTC1 · --- 0 --- 0 --- 0 --- 0 --- 0 --- 0 --- u --- u ·- - 0 -- - 0 -- - 0 -- - 0 -- - 0 -- - 0 -- - u -- - u - ·- 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - 0 - u - u - u - u TMR0 ······ xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR0C ······ 0000 1000 0000 1000 0000 1000 uuuu uuuu TMR1 ··· xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR1C ··· 0000 1 --- 0000 1 --- 0000 1 --- uuuu u --- TMR2 · xxxx xxxx xxxx xxxx xxxx xxxx uu - u uuuu TMR2C · 00 - 0 1000 00 - 0 1000 00 - 0 1000 uuuu uuuu PA ······ 1111 1111 1111 1111 1111 1111 uuuu uuuu PAC ······ 1111 1111 1111 1111 1111 1111 uuuu uuuu PAWK ······ 0000 0000 0000 0000 0000 0000 uuuu uuuu PAPU ······ - 000 0000 - 000 0000 - 000 0000 - uuu uuuu PB ···· - - 11 1111 -- 11 1111 -- 11 1111 -- uu uuuu PBC ···· - - 11 1111 -- 11 1111 -- 11 1111 -- uu uuuu PBPU ···· - - 00 0000 - 000 0000 - 000 0000 -- uu uuuu |
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