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HT45F43 Datasheet(PDF) 108 Page - Holtek Semiconductor Inc |
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HT45F43 Datasheet(HTML) 108 Page - Holtek Semiconductor Inc |
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108 / 152 page  CMP1C0 Register - HT45F23 Bit 76543210 Name CMP1OP C1OFM C1RS C1OF4 C1OF3 C1OF2 C1OF1 C1OF0 R/W R R/W R/W R/W R/W R/W R/W R/W POR 00010000 Bit 7 CMP1OP: comparator output; positive logic. This bit is read only. Bit 6 C1OFM: Comparator mode or input offset voltage cancellation mode 0: comparator mode 1: input offset voltage cancellation mode When the C1OFM=1, comparator inputs are always from I/O pins. i.e. the CNPSEL and C1NSEL will be forced to ²1². That means disconnect the input from OPAs output. Bit 5 C1RS: Comparator input offset voltage cancellation reference selection bit 0: select C1N as the reference input 1: select CNP as the reference input Bit 4~0 C1OF4~C1OF0: Comparator input offset voltage cancellation control bits CMP1C0 Register - HT45F43 Bit 76543210 Name CMP1OP ¾¾¾¾¾¾¾ R/W R ¾¾¾¾¾¾¾ POR 0 ¾¾¾¾¾¾¾ Bit 7 CMP1OP: comparator output; positive logic. This bit is read only. Bit 6~0 unimplemented, read as ²0² CMP1C1 Register - HT45F23/HT45F43 Bit 76543210 Name CNPSEL ¾¾¾ C1INTEN C1OUTEN C1NSEL CMP1EN R/W R/W ¾¾¾ R/W R/W R/W R/W POR 1 ¾¾¾ 0010 Bit 7 CNPSEL: Comparator non-inverting input control bit 0: from OPA output 1: from CNP pin Bit 6~ 4 unimplemented, read as ²0² Bit 3 C1INTEN: Comparator 1 interrupt control bit 0: disable 1: enable Bit 2 C1OUTEN: Comparator 1 output pin control bit 0: disable 1: enable Bit 1 C1NSEL: Comparator 1 inverting input control bit 0: from VH0 1: from C1N pin Bit 0 CMP1EN: Comparator 1 enable or disable control bit 0: disable 1: enable Rev. 1.20 108 September 15, 2011 HT45F23/HT45F43 8-Bit Flash MCU with Op Amps & Comparators |
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