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LC72323R Folha de dados(PDF) 7 Page - Sanyo Semicon Device |
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LC72323R Folha de dados(HTML) 7 Page - Sanyo Semicon Device |
7 / 13 page Pin Functions No. 5378-7/13 LC72322R, 72323R Pin Pin No. Functions I/O I/O circuit type PA0 PA1 PA2 PA3 PB0 PB1 PB2 PB3 PC0 PC1 PC2 PC3 PD0 PD1 PD2 PD3 PE0 PE1 PE2 PE3 PF0 PF1 PF2 PF3 PG0 PG1 PG2 PG3 30 31 32 33 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 59 60 61 62 Low-threshold type dedicated input ports These pins can be used, for example, for key data acquisition. Built-in pull-down resistors can be specified as an option. This option is in 4-pin units, and cannot be specified for individual pins. Input through these pins is disabled in BACKUP mode. Dedicated output ports Since the output transistor impedances are unbalanced CMOS, these pins can be effectively used for functions such as key scan timing. These pins go to the output high- impedance state in BACKUP mode. These pins go to the low level during a reset, i.e., when the RES pin is low. Dedicated output ports These are normal CMOS outputs. These pins go to the output high-impedance state in BACKUP mode. These pins go to the low level during a reset, i.e., when the RES pin is low. I/O ports These pins are switched between input and output as follows: Once an input instruction (IN, TPT, or TPF) is executed, these pins latch in the input mode. Once an output instruction (OUT, SPB, or RPB) is executed, they latch in the output mode. These pins go to the input mode during a reset, i.e., when the RES pin is low. In BACKUP mode these pins go to the input mode with input disabled. I/O ports These pins are switched between input and output by the FPC instruction. The I/O states of this port can be specified for individual pins. These pins go to the input mode during a reset, i.e., when the RES pin is low. In BACKUP mode these pins go to the input mode with input disabled. Dedicated input ports Input through these pins is disabled in BACKUP mode. Input Output I/O Input Continued on next page. |
Nº de peça semelhante - LC72323R |
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Descrição semelhante - LC72323R |
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