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LC865408 Datasheet(PDF) 9 Page - Sanyo Semicon Device |
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LC865408 Datasheet(HTML) 9 Page - Sanyo Semicon Device |
9 / 21 page LC86E5420 No.6805-9/21 Pin name I / O Function description Option PROM mode PORT8 P80 to P83 I •4-bit input port TA (*4) P84 to P87 I / O •4-bit input / output port Input / output can be specified in bit unit •Other function AD input port (AN7 to AN0) RES I Reset pin. XT1 / P74 I •Input pin for the 32.768kHz cyrstal oscillation •Other function XT1 : Input port P74 •In case of non use, connect to VDD XT1 / P75 O •Output pin for the 32.768kHz cyrstal oscillation •Other function XT2 : Input port P75 •In case of non use, connect to VDD at using as port or unconnect at using as oscillation. CF1 I Input pin for the ceramic resonator oscillation. CF2 O Output pin for the ceramic resonator oscillation. All of port options except the pull-down resistor option of Port 0 can be specified in a bit unit. *1 Memory select input for data security *2 Output enable input *3 Chip enable input *4 TA → EPROM control signal input |
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