Nkọwapụta akwụkwọ akụkọ Qualcomm na HIFI

HIFI-PCBA izugbe

RISCV-DSP mgbawa + Qualcomm QCC3x/5x usoro Bluetooth, na-akwado ụkpụrụ Bluetooth APTX,
APTX-HD, APTX-LL, APTX-AD, LDAC, LHDC; Ọrụ dị n'akụkụ na-akwado draịva USB,
SPDIF, KGB, kaadị SD, na ihuenyo LED

HIFI-PCBAmain etiti mejupụtara

Nkọwa HIFI-PCBAFunction

1. Isi osisi. Họrọ bọọdụ isi dị ka mkpa oru ngo si dị.
2. VBAT ike ọkọnọ interface na ike mgba ọkụ.
3. Nnwale dị ugbu a. Mgbe ị na-anwale mgbawa VBAT ugbu a, ọ dị mkpa ijikọ multimeter n'ime
   usoro. na nke a interface, Mgbe ọ dịghị mkpa ka ịlele ugbu a, a obere okpu ga-adị
   etinyere.
4. USB interface. a) Dị ka a download interface maka mgbawa; b) Mgbe ị na-emegharị USB
   arụ ọrụ nke mgbawa, enwere ike iji ya dị ka interface ngwaọrụ USB, dị ka diski flash USB
   interface.
5. SD/TF kaadị interface. N'ihu bụ interface kaadị SD, na azụ bụ interface kaadị TF.
6. PWR igodo. Ejikọtara ya na mgbawa PWR pin, ọ nwere ike nweta ọrụ dịka
   PP/PWK.VOL+/NEXT, VOL -/PREV, wdg dị ka nhazi ngwanrọ si dị.
7. igodo ADKEY. Jikọọ na mgbawa GPIOx, nke bụ ADC CHx. Dị ka software si kwuo
   nhazi, ọrụ dị ka PP, VOL +/NEXT, VOL -/PREV nwere ike imezu.
8. N'ime nhọrọ MIC. Họrọ ụzọ MICL ma ọ bụ MICR nke mgbawa site na pin. Rịba ama
   na ọ bụghị ụdị niile na-akwado MICL na MICR.
9. Mbupute PA n'elu bọọdụ Mgbe ị na-emezigharị ọrụ ọkà okwu, ị nwere ike ịme ya kpamkpam
   onboard PA ka ige nti nbibi.
10. Ntinye isi iyi ọdịyo AUX. Enwere ike itinye isi mmalite ọdịyo mpụga site na interface a na
    zigara mgbawa maka nhazi.
11. Odiyo mmepụta interface. DAC-VBF dabara na interface aka ekpe, yana DAC-CAP
    kwekọrọ na interface ziri ezi.
12. Ihuenyo ngosi dijitalụ. Oge ngosi, olu, ọkwa,

Nkọwa Algorithm Hifi

Iji ọba akwụkwọ NatureDSP dị ka ọbá akwụkwọ metụtara ịgbakọ sayensị nke ọma na
Candence HIF14 n'elu ikpo okwu, ọ gbakọtara na anyị n'elu ikpo okwu na-agbakwunyere na
project.gụnyere algọridim modul dị ka fft, fir, iir, mgbakọ na mwepụ, matinv, na onyonyo. Ndị a
A na-arụ ọrụ mgbakọ sayensị nke a na-ejikarị eme ihe site na iji ntuziakaHIF14
ntụziaka, nke na-arụ ọrụ nke ọma ma na-enye aka n'ịkwalite ike mgbakọ.

Eserese HIFI-PCBA n'ezie