CC2520RHDR ọgbọ nke abụọ 2.4 GHz ZigBee/IEEE 802.15.4 transceiver ikuku
CC2520RHDR ọgbọ nke abụọ 2.4 GHz ZigBee/IEEE 802.15.4 transceiver ikuku
Atụmatụ maka CC2520
● Ngwa
Sistemụ IEEE 802.15.4
Sistemụ ZigBee®
○Nleba anya na njikwa ụlọ ọrụ
○ Ụlọ na arụ ọrụ akpaaka
○ Ọgụgụ Mita na-akpaghị aka
○ Netwọk ihe mmetụta ikuku dị ala
○ Igbe set-top na remote controls
○ Ngwa eletrọnịkị ndị ahịa
●Ụkpụrụ ndị dị mkpa
○ Nhọrọ/ịdị n'otu n'ọkwa nke nka
○ Ọjụjụ ọwa dị n'akụkụ: 49 dB
○ Ọjụjụ ọwa ọzọ: 54 dB
○ Mmefu ego njikọ mara mma (103dB)
○ 400 m Ahịrị-anya nso
○ Ogologo oge okpomọkụ (-40 ruo +125°C)
○ Oke ọkọnọ: 1.8 V - 3.8 V
Ngwa ngwa ngwa IEEE 802.15.4 MAC
○ nkwado ịkwatu microcontroller
○ AES-128 nchekwa modul
○ CC2420 interface ndakọrịta mode
● Ike dị ala
○RX (okirikiri nnata, -50dBm) 18.5 mA
○TX 33.6 mA @ +5 dBm
○TX 25.8mA @ 0 dBm
○ <1µA na ike ala
● General
○ Mmepụta elekere maka otu sistemu kristal
○ RoHS kwadoro ngwugwu QFN28 (RHD) 5 × 5 mm
●Redio
○IEEE 802.15.4 kwadoro DSSS basebandmodem nwere ọnụego data 250 kbps
○ Mmetụta nnabata nke ọma (-98dBm)
○ Ike mmepụta ihe mmemme ruru +5 dBm
○ RF ugboro nso 2394-2507 MHz
○ Kwesịrị ekwesị maka sistemu na-ezubere irube isi n'usoro iwu ugboro redio zuru ụwa ọnụ: ETSI EN 300 328 na EN 300 440 klas 2 (Europe),
○FCC CFR47 Nkebi 15 (US) na ARIB STD-T66 (Japan)
● Nkwado Microcontroller
○ Nkwado RSSI/LQI dijitalụ
○ Ntụle ọwa doro anya na akpaghị aka maka CSMA/CA
○ CRC akpaaka
○ 768 bytes Ram maka nchekwa na-agbanwe agbanwe na nhazi nchekwa
○ Nchekwa MAC kwadoro nke ọma
○4 waya SPI
○ 6 atụdo IO nhazi
○Kwụsị generator
○ Igwe nzacha na nhazi nhazi
○ generator nọmba random
●Ngwaọrụ mmepe
○ Nhazi ntụaka
○IEEE 802.15.4 Mac software
○ ZigBee® sọftụ ngwungwu
○ Ngwa mmepe zuru oke
○ Nkwado sniffer na ngwaike
ZigBee® bụ ụghalaahịa edenyere n'akwụkwọ ikikere nke ZigBee Alliance, Inc.
Nkọwa maka CC2520
CC2520 bụ TI ọgbọ nke abụọ ZigBee®/IEEE 802.15.4 RF transceiver maka 2.4 GHz band ISM enweghị ikike.Nke a mgbawa na-enyere ụlọ ọrụ ọkwa ngwa site na-enye ọgbara ọhụrụ selectivity/ndụkọta ọnụ, magburu onwe njikọ mmefu ego, ọrụ ruo 125°C na obere voltaji arụ ọrụ.
Na mgbakwunye, CC2520 na-enye nkwado ngwaike dị ukwuu maka njikwa etiti, nchekwa data, nnyefe gbawara, izo ya ezo, nyocha data, nlebanya ọwa doro anya, ngosipụta ogo njikọ na ozi oge etiti.Atụmatụ ndị a na-ebelata ibu na njikwa onye ọbịa.
Na usoro a na-ahụkarị, a ga-eji CC2520 yana microcontroller na ihe ndị ọzọ na-agafe agafe.
1. Ole ndị bụ ndị ọrụ na ngalaba R & D gị?Kedu ihe ntozu gị?
-R & D Director: chepụta atụmatụ R & D ogologo oge nke ụlọ ọrụ ma ghọta ntụzịaka nke nyocha na mmepe;Nduzi ma na-elekọta ngalaba r&d iji mejuputa atumatu ụlọ ọrụ r&d na atụmatụ R&D kwa afọ;Jikwaa ọganihu nke mmepụta ngwaahịa ma mezie atụmatụ;Mepụta ezigbo nchọpụta ngwaahịa na otu mmepe, nyocha na ọzụzụ ndị ọrụ nka metụtara.
Onye njikwa R & D: mee atụmatụ R & D ngwaahịa ọhụrụ ma gosipụta ike nke atụmatụ ahụ;Na-elekọta ma jikwaa ọganihu na ịdịmma nke ọrụ r&d;Nyochaa mmepe ngwaahịa ọhụrụ ma tụọ aro ngwọta dị mma dịka ihe ndị ahịa chọrọ n'akụkụ dị iche iche
Ndị ọrụ R&d: na-anakọta na hazie data isi;Mmemme kọmputa;Ime nnwale, ule na nyocha;Kwadebe ihe na akụrụngwa maka nnwale, ule na nyocha;Dekọọ data nha, mee mgbako ma kwadebe eserese;Mee nyocha ndekọ ọnụ ọgụgụ
2. Kedu ihe nyocha ngwaahịa na echiche mmepe gị?
- echiche ngwaahịa na nhọrọ ngwaahịa na nlebanya nkọwa ngwaahịa na atụmatụ atụmatụ atụmatụ na nyocha ngwaahịa mmepe yana mmalite mmalite na ahịa.
