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HT56R67 Datasheet(PDF) 75 Page - Holtek Semiconductor Inc |
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HT56R67 Datasheet(HTML) 75 Page - Holtek Semiconductor Inc |
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75 / 104 page  HT56R67/HT56R668/HT56C668/HT56R678/HT56C678/HT56R688 Rev. 1.20 75 March 4, 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. Note that where more than one package type exists the table will reflect the situation for the larger package type. Register Reset (Power-on) RES Reset (Normal Operation) WDT Time-out (Normal Operation) WDT Time-out (HALT) MP0 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu MP1 xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu BP 000 - 0000 000 - 0000 000 - 0000 uuu - uuuu ACC xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu PCL 0000 0000 0000 0000 0000 0000 0000 0000 TBLP xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu TBLH xxxx xxxx uuuu uuuu uuuu uuuu uuuu uuuu RTCC -- 00 0111 -- 00 0111 -- 00 0111 -- uu uuuu STATUS -- 00 xxxx -- uu uuuu -- 1u uuuu -- 11 uuuu INTC0 0000 0000 0000 0000 0000 0000 uuuu uuuu TMR0 xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR0C 00 - 0 1000 00 - 0 1000 00 - 0 1000 uu - u uuuu TMR1H xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR1L xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR1C 0000 1 - - - 0000 1 - - - 0000 1 - - - uuuu u - - - TMR2 xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR2C 00 - 0 1000 00 - 0 1000 00 - 0 1000 uu - u uuuu TMR3 xxxx xxxx xxxx xxxx xxxx xxxx uuuu uuuu TMR3C 00 - 0 1000 00 - 0 1000 00 - 0 1000 uu - u uuuu PA 1111 1111 1111 1111 1111 1111 uuuu uuuu PAC 1111 1111 1111 1111 1111 1111 uuuu uuuu PB 1111 1111 1111 1111 1111 1111 uuuu uuuu PBC 1111 1111 1111 1111 1111 1111 uuuu uuuu PC 1111 1111 1111 1111 1111 1111 uuuu uuuu PCC 1111 1111 1111 1111 1111 1111 uuuu uuuu PD 1111 1111 1111 1111 1111 1111 uuuu uuuu PDC 1111 1111 1111 1111 1111 1111 uuuu uuuu PWM0L 0000 - - - 0 0000 - - - 0 0000 - - - 0 uuuu - - - u PWM0H 0000 0000 0000 0000 0000 0000 uuuu uuuu PWM1L 0000 - - - 0 0000 - - - 0 0000 - - - 0 uuuu - - - u PWM1H 0000 0000 0000 0000 0000 0000 uuuu uuuu INTC1 - 000 -- 00 - 000 -- 00 - 000 -- 00 - uuu -- uu PWM2L 0000 - - - 0 0000 - - - 0 0000 - - - 0 uuuu - - - u PWM2H 0000 0000 0000 0000 0000 0000 uuuu uuuu PWM3L 0000 - - - 0 0000 - - - 0 0000 - - - 0 uuuu - - - u |
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