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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT9580 датащи(PDF) 19 Page - Holtek Semiconductor Inc |
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HT9580 датащи(HTML) 19 Page - Holtek Semiconductor Inc |
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19 / 63 page  HT9580 19 April 28, 2000 Preliminary The HT9580 has three general purpose I/O ports. The I/O cell structures are configurable. Details are shown in the table. Port A Port A is a general-purpose I/O port. The PAC register controls the data directions for port A. When set as input data type, this port has wake-up capability and the input cell struc- tures are schmitt trigger types. While in a ²HALT² condition, a falling edge signal on Port A can wake-up the mC. In addition, the input cell structures can be configured as pull-high or non-pull-high. When set as an output data type, the output structures are CMOS outputs. 10 PA The pin output logic high The pin output logic low PAC As input pin As output pin PAWUE The pin has wake-up capability The pin has no wake-up capability PAIM CMOS input structure with pull-high resistor CMOS input structure with- out pull-high resistor Port B Port B is a general-purpose I/O port controlled by the PBC register. The PBIM register con- trols the input cell structures: normal CMOS inputs or CMOS inputs with pull-high resis- tors. 10 PB Pin output logic high Pin output logic low PBC Input pin Output pin PBIM CMOS input structure with pull-high resistor CMOS input structure without pull-high resistor Port C This is a general-purpose I/O port contolled by the PCC register. The PCIM register controls the input cell structures: normal CMOS inputs or CMOS inputs with pull-high resistors. 10 PC The pin output logic high The pin output logic low PCC As input pin As output pin PCIM CMOS input structure with pull-high resistor CMOS input structure without pull-high resistor I/O port configuration registers Address Register Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 State on POR 000BH PA data X X PA5 PA4 PA3 PA2 PA1 PA0 uu11 1111 000CH PB data PB7 PB6 PB5 PB4 PB3 PB2 PB1 PB0 1111 1111 000DH PC data XXXXXX PC1 PC0 uuuu uu11 000EH PAC X X PAC5 PAC4 PAC3 PAC2 PAC1 PAC0 uu11 1111 000FH PBC PBC7 PBC6 PBC5 PBC4 PBC3 PBC2 PBC1 PBC0 1111 1111 0010H PCC XXXXXX PCC1 PCC0 uuuu uu11 0011H PA WUE X X PAWUE5 PAWUE4 PAWUE3 PAWUE2 PAWUE1 PAWUE0 uu00 0000 0012H PA IM X X PAIM5 PAIM4 PAIM3 PAIM2 PAIM1 PAIM0 uu11 1111 0013H PB IM PBIM7 PBIM6 PBIM5 PBIM4 PBIM3 PBIM2 PBIM1 PBIM0 1111 1111 0014H PC IM XXXXXX PCIM1 PCIM0 uuuu uu11 |
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