Akwụkwọ ntuziaka onye ọrụ nhazi nhazi ngwaike Cisco MT0

ọdịnaya zoo

1 Cisco MT0 Akụrụngwa Routing Nhazi

2 Atụmatụ

3 Ngwakọta ngwaike

4 Nkwupụta nnabata FCC

5 Akwụkwọ / akụrụngwa

5.1 Ntụaka

6 Ozi ndị metụtara

Cisco MT0 Akụrụngwa Routing Nhazi

Atụmatụ

Bluetooth 5, JEEE 802.15.4-2006, transceiver 2.4 GHz

95 dBm nwere mmetụta na 1 Mbps Bluetooth mode ike dị ala
103 dBm uche na 125 kbps Bluetooth obere ume mode (ogologo ogologo)

20 ruo +8 dBm TX ike, nhazi na usoro 4 dB
N'ikuku dakọtara na nRF52, nRF51, nRF24L, na nRF24AP Series

Ọnụego data akwadoro:
- Bluetooth 5-2 Mbps, 1 Mbps, 500 kbps, na 125 kbps
- IEEE 802.15.4-2006 250 kbps
- Onye nwe 2.4 GHz -2 Mbps, 1 Mbps

Mmepụta antenna nwere otu ngwụcha (na mgbawa balun)
128-bit AES/ECB/CCM/AAR cO-processor (ihe nzuzo na-ezo na ngwugwu)

4.8mA kacha elu ugbu a na TX (0 dBm)
4.6mA kacha elu ugbu a na RX

RSSI (mkpebi 1 dB)

ARM Cortex -M4 32-bit processor nwere FPU, 64 MHz

212 EEMBC CoreMark na-agba site na ebe nchekwa flash
52 A/MHz na-agba CoreMark site na ebe nchekwa flash

Ebe nche na trace modul debug (DWT, ETM, na ITM)
Ihe nbibi waya serial (SWD)

Njirimara nchekwa bara ụba

ARM TrustZone Cryptocell 310 nchekwa subsystem

NIST SP800-90A na SP800-908 dakọtara ọnụ ọgụgụ na-emepụta ihe
AES-128-ECB, CBC, CMAC/CBC-MAC, CTR, CCM/CCM

Chacha20/Poly1305 AEAD na-akwado nha igodo 128 na 256-bit
SHA-1, SHA-2 ruo 256 bits

Koodu nyocha ozi Keyed-hash (HMAC)
RSA ruo nha igodo 2048-bit

SRP ruo nha igodo 3072-bit
Nkwado ECC maka akụkụ ndị a na-ejikarị eme ihe, gụnyere P-256 (sec256r1) na

Ed25519/Curve25519
Njikwa igodo ngwa site na iji ụdị igodo ewepụtara

Akwado akpụkpọ ụkwụ echekwara

Ndepụta njikwa ohere Flash (ACL)
Mgbọrọgwụ ntụkwasị obi (Root)
Njikwa na nhazi nhazi
Nchekwa ọdụ ụgbọ mmiri (CTRL-AP)

Nhicha nke ọma

Njikwa ike na-agbanwe agbanwe

1.7 V ruo 5.5 V ọkọnọ voltage oke
- Ndị na-ahụ maka on-chip DC/DC na LDO nwere ụdịdị dị ugbu a dị obere akpaaka
1.8 V ruo 3.3 V na-edozi ọkọnọ maka akụrụngwa mpụga
Njikwa ike mpụta akpaaka
Imelite ngwa ngwa site na iji oscillator ime 64 MHz
0.4 A na 3V na ọnọdụ gbanyụọ Sistemu, enweghị njigide RAM
1.5 uA na 3V na Sistemu ON mode, enweghị RAM njigide, teta na RTC

1 MB flash na 256 k8 RAM

Ogwe ihu dị elu na mgbawa

USB 2.0 zuru ọsọ (12 Mbps) njikwa

QSPI 32 MHz interface
Ọsọ dị elu 32 MHz SPI
Ụdị 2 nzikọrịta ozi dị nso (NFC-A) tag n'ubi teta
- Nkwado aka-na-mmadụ
Njikọ mpụta nke mmemme nwere ike ime (PPI)
48 izugbe 1/0 ntụtụ

EasyDMA akpaghị aka nyefe data n'etiti ebe nchekwa na mpụta
Nordic SoftDevice dị njikere yana nkwado maka multiprotocol na-emekọ ọnụ
12-bit, 200 ksps ADC-8 ọwa nhazi nwere uru mmemme

64 larịị comparator
Ihe nleba anya dị larịị 15 nwere ịkpọte site na ọnọdụ gbanyụọ Sistemu
ihe mmetụta lemperature

4x anọ ọwa pulse obosara modulator (PWM) unit na EasyDMA
Mfefe ọdịyo – 1’s, igwe okwu dijitalụ (PDM)
5x 32-bit ngụ oge nwere ọnọdụ counter

Ruo 4x SPI master/3x ohu SPI nwere EasyDMA
Ihe ruru 2x 1fC nna ukwu/ohu nwere waya abụọ dakọtara
2x UART (CTS / RTS) na EasyDMA

Ihe ngbanwe nke Quadrature (QDEC)
3x ezigbo oge counter (RTC)
Otu kristal arụ ọrụ
Ụdị ngwugwu
- ngwugwu aQFN 73, 7 x 7 mm
- ngwugwu QFN48, 6 x 6 mm
- WICSP nkiti 3 544 y 3 607 mm

Ngwakọta ngwaike

A ga-ejikọta MT0, chipset dabeere na Nordic n'ime bọọdụ nnabata dị ka nkọwa ndị a si dị na ntuziaka a: https://infocenter.nordicsemi.com/pdf/nRF52840_PS_v1.7.pdf *biko gaa nordicsemi.com maka ihe kachasị ugbu a. nkọwa na ntinye ntuziaka.

Ihe Ntinye
Ngwa nRF52840 na-enye mgbanwe gbasara GPIO pin routing na nhazi. Agbanyeghị, ụfọdụ ntụtụ nwere oke ma ọ bụ ndụmọdụ maka nhazi na ojiji pin.

Nkwupụta nnabata FCC

Ngwaọrụ a na-akwado akụkụ 15 nke iwu FCC. Arụ ọrụ dị n'okpuru ọnọdụ abụọ ndị a: (1) Mwepụ a nwere ike ọ gaghị ebute nnyonye anya na-emerụ ahụ, yana (2) ngwaọrụ a ga-anabatarịrị nnyonye anya ọ bụla enwetara, gụnyere nnyonye anya nwere ike ibute ọrụ na-achọghị.

A nwalere ngwa a wee hụ na ọ dabara na oke maka ngwaọrụ dijitalụ Klas B, dịka akụkụ 15 nke Iwu FCC. Emebere oke ndị a iji nye nchebe ezi uche dị na ya megide nnyonye anya na-emerụ emerụ na ntinye ụlọ. Akụrụngwa a na-ewepụta, na-eji ma nwee ike ịgbasa ike ugboro redio na, ọ bụrụ na etinyeghị ya ma jiri ya dịka ntuziaka siri dị, nwere ike ibute ndabichi na-emerụ ahụ na nkwukọrịta redio. Agbanyeghị, enweghị nkwa na nnyonye anya agaghị eme na otu nrụnye. Ọ bụrụ na akụrụngwa a na-ebute nnyonye anya na-emerụ ahụ na nnabata redio ma ọ bụ telivishọn, nke enwere ike ikpebi site na ịgbanyụ ma gbanye akụrụngwa, a na-agba onye ọrụ ume ka ọ dozie ndabichi ahụ site na otu n'ime usoro ndị a:

Megharịa ma ọ bụ bugharịa antenna nnata.
Mee ka nkewa dị n'etiti akụrụngwa na nnata.
Jikọọ akụrụngwa n'ime oghere na sekit dị iche na nke ejikọrọ nnata.

Kpọtụrụ onye na-ere ahịa ma ọ bụ onye ọrụ redio/TV nwere ahụmahụ maka enyemaka.

FCC ịkpachara anya
Mgbanwe ọ bụla ma ọ bụ mgbanwe ọ bụla Meraki kwadoro nke ọma nwere ike imebi ikike onye ọrụ iji rụọ ọrụ a. Agaghị ejikọta ihe nnyefe a ma ọ bụ rụọ ọrụ yana njikọ antenna ma ọ bụ nnyefe ọ bụla ọzọ.

Nkwupụta Mkpughe Radiation FCC
Ngwa a na-akwado oke ikpughe radieshon FCC nke edobere maka gburugburu ebe anaghị achịkwa ya. Ekwesịrị ịwụnye akụrụngwa a ma rụọ ọrụ ya na opekempe 20 cm n'etiti radiator na ahụ gị. Agaghị ejikọta ihe nnyefe a ma ọ bụ na-arụ ọrụ na njikọ antenna ma ọ bụ nnyefe ọ bụla ọzọ.

Nkwupụta ụlọ ọrụ Canada
Ngwaọrụ a na-akwado RSS -247 nke Iwu ụlọ ọrụ Canada. A na-arụ ọrụ n'okpuru ọnọdụ abụọ a:

Ngwaọrụ a nwere ike ọ gaghị ebute nnyonye anya na-emerụ ahụ, yana
Ngwaọrụ a ga-anabatarịrị nnyonye anya ọ bụla enwetara, gụnyere nnyonye anya nwere ike ibute ọrụ na-achọghị.

Ụlọ ọrụ Canada Nkwupụta Mkpughe Radiation
Ngwa a na-akwado oke mkpughe radieshon IC nke edobere maka gburugburu ebe anaghị achịkwa ya. Ekwesịrị ịwụnye akụrụngwa a ma rụọ ọrụ ya na opekempe 20 cm n'etiti radiator & ahụ gị.