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LC866532 数据表(PDF) 9 Page - Sanyo Semicon Device |
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LC866532 数据表(HTML) 9 Page - Sanyo Semicon Device |
9 / 22 page LC86P6548 No.6690-9/22 Pin name I/O Function description Option PROM mode S48 to S51 *9 I/O •Output for VFD display controller Segment •Other function S48 : High voltage I/O port PG0 S49 : High voltage I/O port PG1 S50 : High voltage I/O port PG2 S51 : High voltage I/O port PG3 - - RES I Reset pin - - XT1/ P74 I •Input pin for 32.768kHz crystal oscillation •Other function XT1 : Input port P74 In case of non use, connect to VDD1. - - XT2/P75 O •Output pin for 32.768kHz crystal oscillation •Other function XT2 : Input port P75 In case of non use, connect to VDD1 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 pull-up resistor of port 0) can be specified in bit unit. *1 Memory select input for data security *2 Output enable input *3 Chip enable input *4 Connect like the following figure to reduce noise into a VDD1 terminal. Shorted the VSS1 terminal to the VSS2 terminal and to make the back-up time long. *5 TA ! PROM control signal input *6 S0/T0 to S6/T6 : not provided the pull-down resistor *7 S7/T7 to S15/T15 : provided the pull-down resistor (fixed) *8 S16 to S31 : provided the pull-down resistor (fixed) *9 S32 to S51 : not provided the pull-down resistor Power Supply LSI VDD1 Back-up capacitor VDD2 VDD3 VSS2 VSS1 VDD4 VFD powers |
类似零件编号 - LC866532 |
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类似说明 - LC866532 |
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