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LC66558A Datasheet(PDF) 5 Page - Sanyo Semicon Device |
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LC66558A Datasheet(HTML) 5 Page - Sanyo Semicon Device |
5 / 21 page Pin Function Overview No. 5484-5/21 LC66354C, 66356C, 66358C Pin I/O Overview Output driver type Options State after a reset P00 P01 P02 P03 P10 P11 P12 P13 P20/SI0 P21/SO0 P22/SCK0 P23/INT0 P30/INT1 P31/POUT0 P32/POUT1 P33/HOLD P40 P41 P42 P43 P50 P51 P52 P53/INT2 I/O ports P00 to P03 • Input or output in 4-bit or 1-bit units • P00 to P03 support the halt mode control function I/O ports P10 to P13 Input or output in 4-bit or 1-bit units I/O ports P20 to P23 • Input or output in 4-bit or 1-bit units • P20 is also used as the serial input SI0 pin. • P21 is also used as the serial output SO0 pin. • P22 is also used as the serial clock SCK0 pin. • P23 is also used as the INT0 interrupt request pin, and also as the timer 0 event counting and pulse width measurement input. I/O ports P30 to P32 • Input or output in 3-bit or 1-bit units • P30 is also used as the INT1 interrupt request. • P31 is also used for the square wave output from timer 0. • P32 is also used for the square wave output from timer 1. Hold mode control input • Hold mode is set up by the HOLD instruction when HOLD is low. • In hold mode, the CPU is restarted by setting HOLD to the high level. • This pin can be used as input port P33 along with P30 to P32. • When the P33/HOLD pin is at the low level, the CPU will not be reset by a low level on the RES pin. Therefore, applications must not set P33/HOLD low when power is first applied. I/O ports P40 to P43 • Input or output in 4-bit or 1-bit units • Input or output in 8-bit units when used in conjunction with P50 to P53. • Can be used for output of 8-bit ROM data when used in conjunction with P50 to P53. I/O ports P50 to P53 • Input or output in 4-bit or 1-bit units • Input or output in 8-bit units when used in conjunction with P40 to P43. • Can be used for output of 8-bit ROM data when used in conjunction with P40 to P43. • P53 is also used as the INT2 interrupt request. I/O I/O I/O I/O I I/O I/O • Pch: Pull-up MOS type • Nch: Intermediate sink current type • Pch: Pull-up MOS type • Nch: Intermediate sink current type • Pch: CMOS type • Nch: Intermediate sink current type • Nch: +15-V handling when OD option selected • Pch: CMOS type • Nch: Intermediate sink current type • Nch: +15-V handling when OD option selected • Pch: Pull-up MOS type • Nch: Intermediate sink current type • Nch: +15-V handling when OD option selected • Pch: Pull-up MOS type • Nch: Intermediate sink current type • Nch: +15-V handling when OD option selected • Pull-up MOS or Nch OD output • Output level on reset • Pull-up MOS or Nch OD output • Output level on reset CMOS or Nch OD output CMOS or Nch OD output Pull-up MOS or Nch OD output Pull-up MOS or Nch OD output High or low (option) High or low (option) H H H H Continued on next page. |
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