поискавой системы для электроныых деталей |
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LC723783N датащи(PDF) 9 Page - Sanyo Semicon Device |
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LC723783N датащи(HTML) 9 Page - Sanyo Semicon Device |
9 / 14 page LC723781N/723782N/723783N/723784/723785 No.8011-9/14 Continued from preceding page. Pin name Pin No. I/O Pin explanation Equivalent circuit PE0 PE1/SCK2 PE2/SO2 PE3/SI2 PF0 PF1/SCK1 PF2/SO1 PF3/SI1 PG0 PG1/SCK0 PG2/SO0 PG3/SI0 16 15 14 13 12 11 10 9 8 7 6 5 I/O General-purpose I/O ports with shared functions as serial I/O ports. The input formats are Schmitt inputs. The PE1/SCK2 and PE2/SO2 pins can be switched to function as open drain outputs. The IOS1 instruction is used to switch between the general-purpose I/O port and serial I/O port functions. • When used as general-purpose I/O ports : The pins are set to the general-purpose I/O port function using the IOS1 instruction. The mode (input or output) is set in 1-bit units using the IOS1 instruction • When used serial I/O ports : The pins are set to the serial I/O port function using the IOS1 instruction. [Pin states when set to the serial I/O port function] PE0, PF0, PG0 … General-purpose I/O PE1, PF1, PG1 … SCK input or output PE2, PF2, PG2 … SO output PE3, PF3, PG3 … SI input The PE1/SCK2 and PE2/SO2 pins can be switched to function as open drain outputs with the IOS2 instruction. When using this circuit type, the external pull-up resistors must be connected to the same power supply as that used by the IC. Input is disabled and the pins go to the high-impedance state in Backup mode. These ports are set up as general-purpose input ports after a power on reset. XIN XOUT 1 100 I O Connections for 4.5MHz/7.2MHz crystal oscillator element EO1 EO2 98 97 O Main charge pump outputs. These pins output a high level when the frequency of the local oscillator divided by n is higher than that of the reference frequency, and they output a low level when that frequency is lower. They go to the high-impedance state when the frequencies match. These pins go to the high-impedance state in Backup mode, after a power on reset, and in the PLL stopped state. VDDPORT VDDPLL VSSCPU VSSPORT VSSADC VSSPLL 39 93 4 40 81 96 - Power supply connections. The VDDPORT and VSSPORT pins are mainly supply power for the peripheral I/O blocks. The VDDPLL and VSSPLL pins are mainly for the PLL circuits and the regulator. The VSSCPU pin is mainly used by the CPU block. The VSSADC pin is mainly used by the ADC block. Since all the VDD and VSS pins are independent, all must be connected to the same power supply. VREG 3 O Internal low voltage output. Connect a bypass capacitor to this pin. Continued on next page. |
Аналогичный номер детали - LC723783N |
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Аналогичное описание - LC723783N |
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