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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45F23 датащи(PDF) 59 Page - Holtek Semiconductor Inc |
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HT45F23 датащи(HTML) 59 Page - Holtek Semiconductor Inc |
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59 / 152 page  PAC Register Bit 76543210 Name D7 D6 D5 D4 D3 D2 D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 11111111 PBC, PCC Register Bit 76543210 Name ¾ D6 D5 D4 D3 D2 D1 D0 R/W ¾ R/W R/W R/W R/W R/W R/W R/W POR ¾ 1111111 Bit 7 ²¾² Unimplemented, read as ²0² Bit 6~0 I/O Port bit 6 ~ bit 0 Input/Output Control 0: Output 1: Input Port B NMOS Open Drain Control Register Port B pins PB0~PB3 can be setup as open drain structures. This is implemented using the ODE0~ODE3 bits in the MISC register. MISC Register Bit 76543210 Name ODE3 ODE2 ODE1 ODE0 ¾¾ PFDSEL PFDEN R/W R/W R/W R/W R/W ¾¾ R/W R/W POR 0000 ¾¾ 00 Bit 7 ODE3: PB3 Open Drain Control 0: disable 1: enable Bit 6 ODE2: PB2 Open Drain Control 0: disable 1: enable Bit 5 ODE1: PB1 Open Drain Control 0: disable 1: enable Bit 4 ODE0: PB0 Open Drain Control 0: disable 1: enable Bit 3~2 ²¾² Unimplemented, read as ²0² Bit 1~0 PFDSEL, PFDEN: PFD related control - described elsewhere I/O Pin Structures The accompanying diagram illustrates the internal structures of some generic I/O pin types. As the exact logical construction of the I/O pin will differ from these drawings, they are supplied as a guide only to assist with the functional understanding of the I/O pins. The wide range of pin-shared structures does not permit all types to be shown. HT45F23/HT45F43 8-Bit Flash MCU with Op Amps & Comparators Rev. 1.20 59 September 15, 2011 |
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