bcd counter 7 segment display

  
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I`m doing this lab BCD COUNTER and 7 SEGMENT DISPLAY and im using CD4510BMS presettable BCD Up/Down Counter. I was able to do the counting from 00-99 but i can`t figure out the counting from 32-84. Do i need another gate for this operation Okay, sorry about that. I need to start it from 32-84 and around again. Instead of starting 00-99, i need to
bcd counter 7 segment display - schematic

advanced the count and shorten it too. For the schematic i dont have any scanner, so im not able to show it to you. If you know function similar from what my lab does, can you please send it to me ah ok. thats what im doin right now. so what really specific gate do i need to use to make it count from 32-84 im using nand gate right now im just figuring out what are the connections. ah ok. thats what im doin right now. so what really specific gate do i need to use to make it count from 32-84 im using nand gate right now im just figuring out what are the connections. For count 32 you must detect the binary count of 0011, 0010 from your counter. For 84 you must detect binary count 1000, 0100. You can do that with a series of INVERTER and NAND gates, or INVERTER and NOR gates. It depends upon the polarity output you require when you detect the number. For example, to detect 32 with a logic high output, you could put inverters on bit 2, bit 5, and bit 6, and connect their outputs, along with the other 5, to an 8-input NOR gate. The output of the NOR gate will go high, when count 32 is detected (all NOR inputs low). It will remain low for all other counts. Hello, i`m also doing a 0-99 counter with IC 4511 and 4510. But my circuit wont work. However i press the clock pulse button, the number wont increase. Can anyone upload a schematic using 4510 and 4511 as the counter I`m working on it for more than 5 hours already, still cant...



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