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LC876596B データシート(PDF) 9 Page - Sanyo Semicon Device |
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LC876596B データシート(HTML) 9 Page - Sanyo Semicon Device |
9 / 23 page LC876596B/80B No.6717-9/23 Port Output Configuration Output configuration and pull-up/pull-down resistor options are shown in the following table. Input /output is possible even when port is set to output mode. Terminal Option applies to: Options Output Format Pull-up resistor Pull-down resistor 1 CMOS Programmable (Note 1) - P00 to P07 1 bit units 2 15 voltage Nch-open drain None - 1 CMOS Programmable - P10 to P17 each bit 2 Nch-open drain Programmable - 1 CMOS Programmable - P30 to P37 each bit 2 15V Nch-open drain None - P70 - None Nch-open drain Programmable - P71 to P73 - None CMOS Programmable - P80 to P87 - None Nch-open drain None - 1 High voltage Pch-open drain - Fixed S0/T0 to S6/T6 each bit 2 High voltage Pch-open drain - None S7/T7 to S15/T15 S16 to S31 - None High voltage Pch-open drain - fixed 1 High voltage Pch-open drain - Fixed S32 to S47 each bit 2 High voltage Pch-open drain - None S48 to S51 - None High voltage Pch-open drain - None XT1 - None Input only None - XT2 - None Output for 32.768kHz crystal oscillation None - Note 1 Programmable pull-up resisters of Port 0 can be attatched in nibble units (P00-03, P04-07). * Note 1: Connect as follows to reduce noise on VDD and increase the back-up time. VSS1, and VSS2 must be connected together and grounded. *Note 2 : The power supply for the internal memory is VDD1 but it uses the VDD2 as the power supply for ports. When the VDD2 is not backed up, the port level does not become “H” even if the port latch is in the “H” level. Therefore, when the VDD2 is not backed up and the port latch is “H” level, the port level is unstable in the HOLD mode, and the back up time becomes shorter because the through current runs from VDD to GND in the input buffer. If VDD2 is not backed up, output “L” by the program or pull the port to “L” by the external circuit in the HOLD mode so that the port level becomes “L” level and unnecessary current consumption is prevented. LSI VDD1 Back-up capacitors *2 VDD2 VDD3 VSS2 VSS1 VDD4 Power Supply VFD Powers |
同様の部品番号 - LC876596B |
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同様の説明 - LC876596B |
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