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HT45F43 Datasheet(PDF) 109 Page - Holtek Semiconductor Inc |
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HT45F43 Datasheet(HTML) 109 Page - Holtek Semiconductor Inc |
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109 / 152 page  CMP2C0 Register - HT45F23 Bit 76543210 Name CMP2OP C2OFM C2RS C2OF4 C2OF3 C2OF2 C2OF1 C2OF0 R/W R R/W R/W R/W R/W R/W R/W R/W POR 00010000 Bit 7 CMP2OP: comparator output; positive logic. This bit is read only. Bit 6 C2OFM: Comparator mode or input offset voltage cancellation mode 0: comparator mode 1: input offset voltage cancellation mode When the C2OFM=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 C2RS: Operational amplifier input offset voltage cancellation reference selection bit 0: select C2P as the reference input 1: select CNP as the reference input Bit 4~0 C2OF4~C2OF0: Comparator input offset voltage cancellation control bits CMP2C0 Register - HT45F43 Bit 76543210 Name CMP2OP ¾¾¾¾¾¾¾ R/W R ¾¾¾¾¾¾¾ POR 0 ¾¾¾¾¾¾¾ Bit 7 CMP2OP: comparator output; positive logic. This bit is read only. Bit 6~0 unimplemented, read as ²0² CMP2C1 Register - HT45F23/HT45F43 Bit 76543210 Name CMPES1 CMPES0 ¾¾ C2INTEN C2OUTEN C2PSEL CMP2EN R/W R/W R/W ¾¾ R/W R/W R/W R/W POR 00 ¾¾ 0010 Bit 7~6 CMPES1, CMPES0: Interrupt edge control bits 00: disable 01: rising edge trigger 10: falling edge trigger 11: dual edge trigger Bit 5~4 unimplemented, read as ²0² Bit 3 C2INTEN: Comparator 2 interrupt control bit 0: disable 1: enable Bit 2 C2OUTEN: Comparator 2 output pin control bit 0: disable 1: enable Bit 1 C2PSEL: Comparator 2 non-inverting input control bit 0: from VL0 1: from C2P pin Bit 0 CMP2EN: Comparator 2 enable or disable control bit 0: disable 1: enable HT45F23/HT45F43 8-Bit Flash MCU with Op Amps & Comparators Rev. 1.20 109 September 15, 2011 |
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