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LC66E516 Datasheet(PDF) 6 Page - Sanyo Semicon Device |
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LC66E516 Datasheet(HTML) 6 Page - Sanyo Semicon Device |
6 / 26 page Continued from preceding page. No. 5486-6/26 LC66E2316 Continued on next page. Pin I/O Overview Output driver type Options State after a Standby mode reset operation P30/INT1/A4 P31/POUT0/ A5 P32/POUT1/ A6 P33/HOLD P40/INV0I/ A7 P41/INV0O/ A8 P42/INV1I/ A9 P43/INV1O/ A10 P50/A11 P51/A12 P52/A13 P53/INT2/TA P60/ML P61 P62/DT P63/PIN1 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 and PWM output from timer 1. • P31 and P32 also support 3-state outputs. • Used as address pins in EPROM mode 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. • Dedicated inverter circuit (option) • Used as address pins in EPROM mode 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. • Used as address pins in EPROM mode I/O ports P60 to P63 • Input or output in 4-bit or 1-bit units • P60 is also used as the melody output ML pin. • P62 is also used as the tone output DT pin. • P63 is also used for the event count input to timer 1. I/O I I/O I/O I/O • Pch: CMOS type • Nch: Intermediate sink current type • Pch: Pull-up MOS type • CMOS type when the inverter circuit option is selected • Nch: Intermediate sink current type • Pch: Pull-up MOS type • Nch: Intermediate sink current type • Pch: CMOS type • Nch: Intermediate sink current type CMOS or Nch OD output • Pull-up MOS or Nch OD output • Output level on reset • Inverter circuit • Pull-up MOS or Nch OD output • Output level on reset CMOS or Nch OD output H • High or low (option) • Inverter I/O is set to the output off state. High or low (option) H Hold mode: Output off Hold mode: Port output off, inverter output off Hold mode: Output off Hold mode: Output off Halt mode: Output retained Halt mode: Output retained Halt mode: Port output retained, inverter output continues Halt mode: Output retained |
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