1122334455667788DDCCBBAATitleNumberRevisionSizeA2Date:2013-12-30SheetofFile:F:\protell入门到精通\..\单片机驱动32位LED数字显示模块.SCHDOCDrawnBy:BI/RBO4RBI5LT3A07A11A22A36a13b12c11d10e9f15g14VCC16GND8U3SN74LS248DBI/RBO4RBI5LT3A07A11A22A36a13b12c11d10e9f15g14VCC16GND8SN74LS248DU4SN74LS248DA11A22A33A44A55A66A77GND8K9Y710Y611Y512Y413Y314Y215Y116MC1413DU?MC1413DA11A22A33A44A55A66A77GND8K9Y710Y611Y512Y413Y314Y215Y116MC1413DU6MC1413DA11A22A33A44A55A66A77GND8K9Y710Y611Y512Y413Y314Y215Y116MC1413DU9MC1413DA11A22A33A44A55A66A77GND8K9Y710Y611Y512Y413Y314Y215Y116MC1413DU7MC1413DLE2A3B4C25D26OE27Y013Y111Y212Y310Y49Y57Y66Y75Y821Y920Y1024Y1123Y1217Y1316Y1419Y1518VCC28GND14SN54HC4514FKU5SN54HC4514FK1234567891011121314151627262524232221LED16BITA2LED16BIT1234567891011121314151627262524232221LED16BITA1LED16BITA11A22A33A44A55A66A77GND8K9Y710Y611Y512Y413Y314Y215Y116MC1413DU10MC1413DP1.0/T21P1.1/T2EX2P1.2/ECI3P1.3/CEX04P1.4/CEX15P1.5/CEX26P1.6/CEX37P1.7/CEX48RST9P3.0/RxD10P3.1/TxD11P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115P3.6/WR16P3.7/RD17XTAL218XTAL119VSS20P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427P2.7/A1528PSEN29ALE/PROG30EA/VPP31P0.7/AD732P0.6/AD633P0.5/AD534P0.4/AD435P0.3/AD336P0.2/AD237P0.1/AD138P0.0/AD039VCC40U1P80C51RA+5NRSTP3.7/RDP3.6/WRDB012DB113DB212DB315DB416DB517DB618DB719IRQ4/CS22/RD10/WR11A021CLK3REST9RL039RL139RL21RL32RL45RL56RL67RL78OUTB031OUTB130OUTB229OUTB328/BD23OUTA027OUTA126OUTA225OUTA324SL032SL133SL234SL335SHIFT36CNTL/S37INTEL8279INTEL8279U2INTEL827933PC1333PC14104C1104C2104C3104C4104C5104C6104C7104C8104C9104C10104C11104C121KR147UC15100R2100R3100R4100R5100R6100R7100R8100R9100R10100R11100R12100R13+5V+5V+5VXTAL1XTAL2RESTO74LS07DOUT+5V12U11ASN74LS07D34U11B56U11C98U11D1110U11E1312U11F12U12A34U12BSN74LS07D56U12C98U12D1110U12E1312U12F12U13ASN74LS07D34U13BSN74LS07D电路图中C1C12为各集成电路的退藕电容,集中放置在仪器;同样R2R13为LED驱动器的上拉电阻,也集中放置.