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÷ȫAVR΢Y(ji)USB늳س늼ģM

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l(f)ڣ[2008-10-21]    [3129]ΡЇ(gu)늚Ј(chng)ُW(wng)[EM39.com]{(bio)pԄ(dng)L}
      ÷˾ƳY(ji)USB͸ģMܵȫAVR΢a(chn)Ʒ̖(ho)ATmega16UAATmega32U4@Щɽ늳عO(sh)ΑO(sh)ϵy(tng)ɱ

mȻ늳عO(sh)܉ͨ^USBBM(jn)г늣ȻF(xin)늳Ҫ(f)s㷨ٺ̓(yu)^USBoԴ˸ƣ܉ṩ늉µAVRtڃ(yu)늳س늵ͬr(sh)ṩ(xing)USBģ(sh)D(zhun)QڸБ(yng)Kˑ(yng)õĄ(dng)}_{(dio) (PWM) tǵͳɱ늙C(j)Ƶx

ΑO(sh)繦܏(f)sIJٿvUҲҪģ(sh)D(zhun)QŵPWMŵ(q)(dng)늙C(j)@ЩȫµAVRSĹܼ܉M@Щ߀ԃ(yu)wϵy(tng)ɱ@Щܰ12ŵ10λADC(ni)ÜضȂa(b)Ч(yng)(du)ģMܵӰ11040 200ɾy(c)늉ıO(jin)ṩ`3 (g) PWM ͨa(b)ݔͿɾ^(q)r(sh)gĸٶr(sh)֧500 kHzI(y)(yu)lʵ8λֱPWMԼ60 kHzlʵ11λֱPWM

߀USARTϵӲ(dng)ͨ^USBԸ߲Bӕr(sh)ԺBӵϡTTLֵ(sh)ݔc5/3V (yng)е 3VBƬ3.3V{(dio)(ji)܉?yn)USBӿڑ(yng)O(sh)еӲṩ_(d)50MAƬ8 MHzУ(zhn)RCʎ䶶(dng);ȿ֧֟oͨš

1(g)Ӳ˷1(g)USART1(g)SPI1(g)TWI2(g)PWM 8λ2(g)PWM 16λr(sh) Լ26(g)ɾ I/O

ATmega16U416 Kbytes ϵy(tng)(ni)ɾ (In-System Programmable, ISP) W1 Kbytes RAM 512 Bytes EEPROMATmega32U432 Kbytes ϵy(tng)(ni)ɾW2.5 Kbytes RAM 1 Kbytes EEPROM߾44_b

÷AVRa(chn)ƷЈ(chng)(jng) Jean-Christophe Lawson ʾƳ΢cF(xin)еAVR USB΢ϵoɣmڸNǶʽC(j)O(sh)USB(yng)SUSB(yng)öҪСռλe͸(qing)ģMܣ҂ܸdƳȫµĹܽM܉(yu)͑(yng)õܺͳɱ

÷߀ṩVܛ֧ǶʽЈ(chng)õUSBe惦(ch)O(sh)(Mass Storage Device, MSD)˙C(j)ӿO(sh)(Human Interface Device, HID)O(sh)̼(j)(Device Firmware Upgrade, DFU)ͨO(sh)(Communication Device Class, CDC)lȡ(f)һһ(g)нY(ji)ϔ(sh)(g)elHIDɽY(ji)(sh)F(xin)bعܵ֙C(j)ߵ

÷W(wng)վƳAVR Studio߶֧@Щۃr(ji) 299 ԪJTAGICE MkII 49 ԪAVR DRAGON ͨ^Ƭ{(dio)ԇ(On-Chip Debug, OCD)YԴM(jn)ϵy(tng)(ni)̺ͷSTK 600-TQFP44һ(g)m@Щ܉BͨSTK600T߰ϡ÷20086ƳΪ(d)u(png)y(c)߰EVK527Ɍ(du)HID惦(ch)l늳س늑(yng)M(jn)u(png)y(c)

÷F(xin)ṩATmega32U4Ĺ̘Ʒɿ2008ڶ_ʼ\(yn)ATmega32U4ķbʽ TQFP44 QFN/MLF4410,000ƬĆ΃r(ji)2.65ԪATmega16U4ķb QFN4410,000ƬĆ΃r(ji)2.40Ԫ

dֻfϢվ^c(din)C(sh)ϢHD(zhun)dՈ(qng)ע̎




һƪӵA(ch)֪R(sh)Μy(c)늶OܵĺÉ
ƪ÷ȫAVR΢Y(ji)USB늳س늼ģMܩ늚ُW(wng)(ُW(wng))ИI(y)„
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