AT-START-F437 Buku Logwiritsa Ntchito
Zithunzi za AT32F437ZMT7
Mawu Oyamba
AT-START-F437 idapangidwa kuti ikuthandizireni kuwona momwe 32-bit microcontroller imagwirira ntchito
AT32F437 yomwe imayika pakati pa ARM Cortex® -M4 ndi FPU, ndikufulumizitsa chitukuko cha ntchito.
AT-START-F437 ndi gulu lowunika lotengera AT32F437ZMT7 microcontroller. Chipangizocho chili ndi zotumphukira monga ma LED, mabatani, zolumikizira ziwiri za USB yaying'ono-B, cholumikizira cha mtundu A, cholumikizira cha Ethernet RJ45, mawonekedwe owonjezera a Arduino™ Uno R3 ndi 16 MB SPI Flash memory (yowonjezedwa kudzera pa QSPI1). Bungwe lowunikirali limayika AT-Link-EZ pakuwongolera / kukonza mapulogalamu popanda kufunikira kwa zida zina zachitukuko.
Zathaview
1.1 Zosintha
AT-START-F437 ili ndi izi:
- AT-START-F437 ili ndi makina owongolera a AT32F437ZMT7 omwe amalowetsa ARM Cortex® - M4F 32-bit core ndi FPU, 4032 KB Flash memory ndi 384 KB SRAM, mumaphukusi a LQFP144.
- Mawonekedwe a AT-Link:
- Pa-board AT-Link-EZ itha kugwiritsidwa ntchito pokonza ndi kukonza zolakwika (AT-Link-EZ ndi mtundu wosavuta wa AT-Link, wopanda chithandizo chapaintaneti)
- Ngati AT-Link-EZ idachotsedwa pa bolodi poyipinda molumikizana, mawonekedwewa amatha kulumikizidwa ndi AT-Link yodziyimira payokha pakukonza ndi kukonza zolakwika. - Pa board 20-pin ARM standard JTAG mawonekedwe (akhoza kulumikizidwa ndi JTAG kapena cholumikizira cha SWD pamapulogalamu ndi kukonza zolakwika)
- 16 MB SPI (EN25QH128A) imagwiritsidwa ntchito ngati kukumbukira kwa Flash
- Njira zosiyanasiyana zoperekera magetsi:
- Basi ya USB ya AT-Link-EZ
- OTG1 kapena OTG2 basi (VBUS1 kapena VBUS2) ya AT-START-F437
− Kunja kwa 5 V magetsi (E5V)
− Kunja kwa 3.3 V magetsi - 4 x zizindikiro za LED:
− LED1 (yofiira) imasonyeza mphamvu ya 3.3 V
− 3 x USER ma LED, LED2 (yofiira), LED3 (yellow) ndi LED4 (yobiriwira), amasonyeza mmene ntchito ikugwirira ntchito - Wogwiritsa batani ndi Bwezerani batani
- 8 MHz HEXT galasi
- 32.768 kHz LEXT kristalo
- Zolumikizira za USB Type-A ndi Micro-B pa board kuti ziwonetse ntchito ya OTG1
- OTG2 ili ndi cholumikizira chaching'ono-B (Ngati wosuta akufuna kugwiritsa ntchito OTG2 master mode, chingwe cholumikizira chimafunika)
- Pa board Ethernet PHY yokhala ndi cholumikizira cha RJ45 kuti muwonetse mawonekedwe a Efaneti
- QFN48 I/O zolumikizira zowonjezera
- Mawonekedwe owonjezera olemera amapezeka kuti apange ma prototyping mwachangu
- Mawonekedwe owonjezera a Arduino™ Uno R3
- LQFP144 I/O mawonekedwe owonjezera
1.2 Tanthauzo la mawu
- Jumper JPx ON
Jumper yaikidwa. - Jumper JPx OFF
Kudumpha sikunakhazikitsidwe. - Resistor Rx ON / network resistor PRx ON
Kufupi ndi solder, 0Ω resistor kapena network resistor. - Resistor Rx OFF / network resistor PRx OFF Open.
Kuyamba mwachangu
2.1 Yambanipo
Konzani bolodi la AT-START-F437 motsatira zotsatirazi:
- Onani malo a Jumper pa bolodi:
JP1 imagwirizanitsidwa ndi GND kapena OFF (BOOT0 = 0, ndipo BOOT0 ili ndi chotsutsa chotsitsa mu AT32F437ZMT7);
JP2 yolumikizidwa ku GND (BOOT1=0)
JP4 yolumikizidwa ndi UART1 - Lumikizani AT_Link_EZ ku PC kudzera pa chingwe cha USB (Mtundu A mpaka yaying'ono-B), ndikupereka mphamvu ku bolodi lowunika kudzera pa cholumikizira cha USB CN6. LED1 (yofiira) imakhala yoyaka nthawi zonse, ndipo ma LED ena atatu (LED2 mpaka LED4) amayamba kuphethira motsatira.
- Mukakanikiza batani la ogwiritsa ntchito (B2), kuthwanima kwa ma LED atatu kumasinthidwa.
2.2 AT-START-F437 zida zachitukuko
- ARM® Keil® : MDK-ARM™
- IAR™: EWARM
Hardware ndi masanjidwe
Bolodi ya AT-START-F437 idapangidwa mozungulira AT32F437ZMT7 microcontroller mu phukusi la LQFP144.
Chithunzi 1 chikuwonetsa kulumikizana pakati pa AT-Link-EZ, AT32F437ZMT7 ndi zotumphukira zawo (mabatani, ma LED, USB OTG, Ethernet RJ45, SPI ndi zolumikizira zowonjezera)
Chithunzi 2 ndi Chithunzi 3 chikuwonetsa malo awo pa AT-Link-EZ ndi AT-START-F437 board.
3.1 Kusankhidwa kwa magetsi
AT-START-F437 sichitha kuperekedwa kokha ndi 5 V kudzera pa chingwe cha USB (mwina kudzera pa USB cholumikizira CN6 pa AT-Link-EZ kapena USB cholumikizira CN2/CN3 pa AT-START-F437), komanso kuperekedwa magetsi akunja a 5 V (E5V). Kenako 5 V mphamvu imapereka 3.3 V kwa microcontroller ndi zotumphukira zake pogwiritsa ntchito 3.3 V vol.tage regulator (U2). Pini ya 5 V ya J4 kapena J7 itha kugwiritsidwanso ntchito ngati mphamvu yolowera, kotero bolodi la AT-START-F437 litha kuperekedwa kudzera mugawo lamagetsi la 5 V.
Pini ya 3.3 V ya J4, kapena VDD ya J1 ndi J2 ingagwiritsidwe ntchito ngati 3.3 V yolowera mwachindunji, kotero kuti AT-STARTF437 board ikhozanso kuperekedwa ndi 3.3 V mphamvu yamagetsi.
Zindikirani:
Mphamvu ya 5 V iyenera kuperekedwa kudzera pa cholumikizira cha USB (CN6) pa AT-Link-EZ. Njira ina iliyonse siyingagwire AT-Link-EZ. Gulu lina likalumikizidwa ndi J4, 5 V ndi 3.3 V zitha kugwiritsidwa ntchito mphamvu zotulutsa, pini ya J7's 5V ngati mphamvu yotulutsa 5 V, pini ya VDD ya J1 ndi J2 ngati mphamvu yotulutsa 3.3 V.
3.2 ID
Pamene JP3 OFF (chizindikiro IDD) ndi R17 OFF, ammeter ikhoza kulumikizidwa kuti muyese kugwiritsa ntchito mphamvu kwa AT32F437ZMT7.
- JP3 WOZITSA, R17 PA:
Chithunzi cha AT32F437ZMT7 (Zosintha zokhazikika ndi pulagi ya JP3 siyimayikidwa musanatumizidwe) - JP3 ON, R17 WOTSITSA:
Chithunzi cha AT32F437ZMT7 - JP3 WOTSITSA, R17 WOTSITSA:
Ammeter iyenera kulumikizidwa. Ngati palibe ammeter yomwe ilipo, AT32F437ZMT7 singagwiritsidwe ntchito.
3.3 Kukonza ndi kukonza zolakwika: ophatikizidwa AT-Link-EZ
Bungwe lowunika limaphatikiza Artery AT-Link-EZ kuti ogwiritsa ntchito athe kukonza/kusintha AT32F437ZMT7 pa bolodi la AT-START-F437. AT-Link-EZ imathandizira mawonekedwe a SWD, SWO debug, ndi seti ya madoko a COM (VCP) kuti alumikizane ndi USART1_TX/USART1_RX (PA9/PA10) ya AT32F437ZMT7.
Chonde onani AT-Link User Manual kuti mumve zambiri pa AT-Link-EZ.
AT-Link-EZ yomwe ili m'bwalo imatha kupatulidwa kapena kupatulidwa ndi AT-START-F437. Pankhaniyi, AT-START-F437 ikhoza kulumikizidwabe ndi mawonekedwe a CN7 (osayikidwa musanachoke kufakitale) ya AT-Link-EZ kudzera mu mawonekedwe a CN4 (osayikidwa musanachoke kufakitale), kapena ku AT-Link, kuti pitilizani kukonza ndikuwongolera AT32F437ZMT7.
3.4 Kusankha kwa boot mode
Poyambira, mitundu itatu yoyambira imapezeka kuti isankhidwe kudzera pakusintha kwa pini.
Table 1. Boot mode kusankha jumper zoikamo
| Jumper | Pin kasinthidwe | Boot mode | |
| NKHANI | BOOTO | ||
| JP1 kupita ku GND kapena kukhala WOZIMA JP2 mwasankha kapena WOZImitsa |
X | 0 | Yambirani kuchokera ku Flash memory yamkati (makonzedwe okhazikika afakitale) |
| JP1 kuti VDD JP2 kupita ku GND |
0 | 1 | Yambani kuchokera ku memory memory |
| JP1 kuti VDD JP2 kuti VDD |
1 | 1 | Yambani kuchokera ku SRAM yamkati |
3.5 Gwero la wotchi yakunja
3.5.1 Gwero la wotchi ya HEXT
Pali njira zitatu zosinthira mawotchi akunja othamanga kwambiri ndi hardware:
- Crystal pa bolodi (zosintha zokhazikika pafakitale)
Pa board 8 MHz crystal imagwiritsidwa ntchito ngati gwero la wotchi ya HSE. Zida ziyenera kukhazikitsidwa: R1 ndi R3 ON, R2 ndi R4 OFF. - Oscillator kuchokera kunja PH0
Oscillator wakunja amabayidwa kuchokera pa pin_23 ya J2. Zida ziyenera kukhazikitsidwa: R2 ON, R1 ndi R3 OFF. Kuti mugwiritse ntchito PH1 ngati GPIO, R4 ON ikhoza kulumikizidwa ku pin_24 ya J2. - HSE osagwiritsidwa ntchito
PH0 ndi PH1 amagwiritsidwa ntchito ngati ma GPIO. Zida ziyenera kukhazikitsidwa: R14 ndi R16 ON, R1 ndi R15 OFF.
3.5.2 LEXT wotchi gwero
Pali njira zitatu zosinthira mawotchi akunja othamanga kwambiri ndi hardware:
- Crystal pa bolodi (zosintha zokhazikika pafakitale)
Pa board 32.768 kHz crystal imagwiritsidwa ntchito ngati gwero la wotchi ya LEXT. Zida ziyenera kukhazikitsidwa: R5 ndi R6 ON, R7 ndi R8 OFF - Oscillator kuchokera kunja PC14
Oscillator wakunja amabayidwa kuchokera pa pin_3 ya J2. Zida ziyenera kukhazikitsidwa: R7 ndi R8 ON, R5 ndi R6 OFF. - LEXT zosagwiritsidwa ntchito
MCU PC14 ndi PC15 amagwiritsidwa ntchito ngati GPIOs. Zida ziyenera kukhazikitsidwa: R7 ndi R8 ON, R5 ndi R6 OFF.
3.6 ma LED
- Mphamvu ya LED 1
LED yofiyira ikuwonetsa kuti AT-START-F437 imayendetsedwa ndi 3.3 V. - Wogwiritsa ntchito LED2
LED yofiira yolumikizidwa ndi PD13 pin ya AT32F437ZMT7. - Wogwiritsa ntchito LED3
Yellow LED yolumikizidwa ndi PD14 pin ya AT32F437ZMT7. - Wogwiritsa ntchito LED4
LED yobiriwira imalumikizidwa ndi pini ya PD15 ya AT32F437ZMT7.
3.7 Mabatani
- Bwezerani B1: Bwezerani batani
Imalumikizidwa ndi NRST kuti mukhazikitsenso microcontroller AT32F437ZMT7. - Wogwiritsa B2: batani la ogwiritsa
Imalumikizidwa ndi PA0 ya AT32F437ZMT7 kuti ikhale ngati batani lakudzutsa (R19 ON ndi R21 OFF), kapena ku PC13 kuti ikhale ngati T.AMPER-RTC batani (R19 OFF ndi R21 ON)
3.8 OTGFS kasinthidwe
AT-START-F437 board imathandizira OTGFS1 ndi OTGFS2 yokhala ndi liwiro lonse/lotsika kwambiri kapena mawonekedwe a chipangizo chothamanga kwambiri kudzera pa cholumikizira cha USB yaying'ono-B (CN2 kapena CN3). M'mawonekedwe a chipangizo, AT32F437ZMT7 ikhoza kulumikizidwa mwachindunji kwa wolandirayo kudzera pa USB yaying'ono-B, ndipo VBUS1 kapena VBUS2 ingagwiritsidwe ntchito ngati 5 V kuyika pa bolodi la AT- START-F437. Munjira yolandila, chingwe chakunja cha USB OTG chimafunika kuti chilumikizane ndi chipangizo chakunja. Chipangizochi chimayendetsedwa ndi mawonekedwe a USB yaying'ono-B, omwe amapangidwa ndi PH3 ndi PB10 yowongolera SI2301 switch.
Bungwe la AT-START-F437 lili ndi mawonekedwe owonjezera a USB Type-A (CN1). Uwu ndi mawonekedwe a OTGFS1 olumikizidwa ku U disk ndi zida zina, popanda kufunikira kwa chingwe cha USB OTG. Mawonekedwe a USB Type-A alibe mphamvu yosinthira mphamvu.
Pamene PA9 kapena PA10 ya AT32F437ZMT7 ikugwiritsidwa ntchito ngati OTGFS1_VBUS kapena OTGFS1_ID, jumper ya JP4 iyenera kusankha OTG1. Pankhaniyi, PA9 kapena PA10 yolumikizidwa ndi mawonekedwe a USB yaying'ono-B CN2, koma yolumikizidwa ndi mawonekedwe a AT-Link (CN4).
3.9 QSPI1 yolumikizana ndi Flash memory
Pa board SPI (EN25QH128A), yolumikizana ndi AT32F437ZMT7 kudzera pa QSPI1 mawonekedwe, imagwiritsidwa ntchito ngati kukumbukira kwa Flash.
Mawonekedwe a QSPI1 amalumikizidwa ndi Flash memory ndi PF6~10 ndi PG6. Ngati ma GPIOwa agwiritsidwa ntchito pazinthu zina, ndi bwino kuzimitsa RP2, R21 ndi R22 pasadakhale.
3.10 Efaneti
AT-START-F437 imalowetsa Ethernet PHY yolumikizana ndi DM9162EP (U4) ndi RJ45 mawonekedwe (CN5, yokhala ndi chosinthira chamkati chodzipatula), cha 10/100 Mbps kulumikizana kwa Efaneti.
Mwachikhazikitso, Ethernet PHY imalumikizidwa ndi AT32F437ZMT7 mu RMII mode. Pamenepa, CLKOUT (PA8 pini) ya AT32F437ZMT7 imapereka wotchi ya 25 MHz ya pini ya XT1 ya PHY kuti ikwaniritse zofunikira za PHY, pamene wotchi ya 50 MHz ya RMII_REF_CLK (PA1) pa AT32F437ZMT7 imaperekedwa ndi PHYpin 50MCLK. Pini ya 50MCLK iyenera kukoka panthawi yoyatsa.
Kuti mungopanga mapangidwe a PCB, PHY sinalumikizidwe kunja kwa Flash memory kuti ipereke adilesi ya PHY [3:0] pakuyatsa. Adilesi ya PHY [3:0] idakonzedwa kuti ikhale 0x3, mwachisawawa. Mukatha kuyatsa, ndizotheka kufotokozera adilesi ya PHY kudzera pa mawonekedwe a PHY a SMI ndi mapulogalamu.
Onani bukhuli ndi zidziwitso kuti mumve zambiri za Ethernet MAC ndi DM9162 ya AT32F437ZMT7.
Ngati wogwiritsa ntchito akufuna kugwiritsa ntchito LQFP144 I/O yolumikizira J1 ndi J2 m'malo mwa DM9162 kuti alumikizane ndi ma board ena a Ethernet, tchulani Table 2 kuti muchotse AT32F437ZMT7 kuchokera ku DM9162.
Pamene mawonekedwe a Efaneti ndi osagwiritsidwa ntchito, ndi malangizo abwino kusunga DM9162NP mu bwererani boma ndi PC8 linanena bungwe otsika mlingo.
3.11 0Ω resistors
Table 2. 0Ω zoikamo zotsutsa
| Zotsutsa | Statern | Kufotokozera |
| R17 (MCU mphamvu yogwiritsira ntchito mphamvu) | ON | Pamene JP3 OFF, 3.3V imalumikizidwa ndi mphamvu ya microcontroller kuti ipereke microcontroller. |
| ZIZIMA | JP3 OFF, 3.3V ikhoza kulumikizidwa ndi ammeter kuyeza kugwiritsa ntchito mphamvu kwa microcontroller. (The microcontroller sangathe kuyendetsedwa popanda ammeter) | |
| R9 (VBAT) | ON | VBAT yolumikizidwa ndi VDD |
| ZIZIMA | VBAT imaperekedwa ndi pin_6 (VBAT) ya J2. | |
| R1, R2, R3, R4 (HEXT) | WOYATSA, WOZIMA, WOYAMBA, WOZIMA | Gwero la wotchi ya HEXT imachokera pa bolodi la crystal Y1 |
| ZIMENE, WOYAMBA, WOZIMA, WOZIMA | Gwero la wotchi ya HEXT: oscillator wakunja kuchokera ku PHO, PH1 sagwiritsidwa ntchito. | |
| ZIMENE, WOYAMBA, WOZIMA, WOYAMBA | Gwero la wotchi ya HEXT: oscillator wakunja kuchokera ku PHO, PH1 amagwiritsidwa ntchito ngati GPIO; kapena PHO, PH1 amagwiritsidwa ntchito ngati ma GPIO. | |
| R5, R6, R7, R8 (LEXT) | YANTHA, WOYAMBA, WOZIMA, WOZIMA | Gwero la wotchi ya LEXT imachokera pa bolodi la crystal X1 |
| ZIMIMI, ZIMENE, WOYAMBA, WOYAMBA | Gwero la wotchi ya LEXT: oscillator wakunja kuchokera ku PC14; kapena PC14, PC15 amagwiritsidwa ntchito ngati GPIOs. | |
| R19, R21 (batani la ogwiritsa B2) | ONA, ZIMA | Batani la ogwiritsa B2 lolumikizidwa ndi PAO. |
| KUZIMA, ON | Batani la ogwiritsa B2 lolumikizidwa ndi PC13. | |
| R54, R55 (PA11, PAl2) | ZIZIMA, ZIZIMA | Monga OTGFS1, PA11 ndi PAl2 sizinalumikizidwe ku pin_31 ndi pin_32 ya J1. |
| ON, ON | Pamene PA11 ndi PAl2 sagwiritsidwa ntchito ngati OTGFS1, Amalumikizidwa ku pin_31 ndi pin_32 ya J1. | |
| R42, R53 (PA11, PAl2) | ZIZIMA, ZIZIMA | Monga OTGFS2, PB14 ndi PB15 sizinalumikizidwe ku pin_3 ndi pin_4 ya J1. |
| ON, ON | Pamene PB14 ndi P815 sagwiritsidwa ntchito ngati OTGFS2, Amalumikizidwa ku pin_3 ndi pin_4 ya J 1. | |
| RP3, R62—R65, R69—R71, R73 (Ethernet PHY DM9162) | Zonse ON | Ethernet MAC ya AT32F437ZMT7 yolumikizidwa ndi DM9162 mumayendedwe a RMII. |
| Zonse ZIZIMA | Ethernet MAC ya AT32F437ZMT7 yachotsedwa ku DM9162 (Izi ndizoyenera ku board ya AT-START-F435 pakadali pano) | |
| R56, R57, R58, R59 (ArduinoTM A4, A5) | ZIMENE, WOYAMBA, WOZIMA, WOYAMBA | ArduinoTM A4 ndi AS alumikizidwa ku ADC123_IN11 ndi ADC123 IN10. |
| WOYATSA, WOZIMA, WOYAMBA, WOZIMA | ArduinoTM A4 ndi AS alumikizidwa ku tol2C1_SDA, I2C1 SCL. | |
| R60, R61 (ArduinoTM D10) | KUZIMA, ON | ArduinoTM D10 yolumikizidwa ndi SPI1 CS. |
| ONA, ZIMA | ArduinoTM D10 yolumikizidwa ku PVM (TMR4_CH1). |
3.12 Zowonjezera zolumikizira
3.12.1 mawonekedwe a Arduino™ Uno R3
Pulagi yachikazi J3~J6 ndi J7 wamwamuna amathandizira Arduino™ Uno R3 cholumikizira. Ma board ambiri a ana aakazi omangidwa pa Arduino™ Uno R3 amagwira ntchito ku AT-START-F437 board.
Zindikirani: Ma I/Os a AT32F437ZMT7 ndi 3.3 V-yogwirizana ndi Arduino™ Uno R3, koma osati 5 V.
Table 3. Arduino™ Uno R3 matanthauzo a mawonekedwe a pini
| Cholumikizira | Pin nambala | Dzina la Arduino Pin | Chithunzi cha AT32F437 | Kufotokozera |
| J4 (magetsi) | 1 | NC | - | - |
| 2 | IOREF | 3.3 V kufotokoza | ||
| 3 | Bwezeraninso | Mtengo wa NRST | Kukonzanso kwakunja | |
| 4 | 3.3V | 3.3 V zolowetsa/zotulutsa | ||
| 5 | 5V | 5 V zolowetsa/zotulutsa | ||
| 6 | GND | - | Pansi | |
| 7 | GND | - | Pansi | |
| 8 | ||||
| J6 (zolowera zaanalogi) | 1 | AO | PA0 | Chithunzi cha ADC123 |
| 2 | Al | PA1 | ADC123 IN1 | |
| 3 | A2 | PA4 | ADC12 IN4 | |
| 4 | A3 | PBO | ADC12 IN8 | |
| 5 | A4 | PC1 kapena PB9(1) | ADC123 IN11 kapena I2C1 SDA | |
| 6 | AS | PCO kapena PB8(1) | ADC123 IN10 kapena I2C1 SCL | |
| J5 (Logic input/output low byte) |
1 | DO | PA3 | Mtengo wa USART2 RX |
| 2 | D1 | PA2 | Chithunzi cha UART2 TX | |
| 3 | D2 | PA10 | - | |
| 4 | D3 | PB3 | Mtengo wa TMR2 CH2 | |
| 5 | D4 | PB5 | - | |
| 6 | D5 | PB4 | Mtengo wa TMR3 CH1 | |
| 7 | D6 | PB10 | Mtengo wa TMR2 CH3 | |
| 8 | D7 | PA8(2) | - | |
| J3 (Logic input/output high byte) |
1 | D8 | PA9 | - |
| 2 | D9 | PC7 | Mtengo wa TMR3 CH2 | |
| 3 | D10 | PA15 kapena PB6(1) | SPI1 CS kapena TMR4 CH1 | |
| 4 | Dll | PA7 | TMR3 CH2 / SPI1 MOSI | |
| 5 | D12 | PA6 | SPI1 MISO | |
| 6 | D13 | PA5 | SPI1 SCK | |
| 7 | GND | - | Pansi | |
| 8 | AREF | - | VREF + zotuluka | |
| 9 | SDA | PB9 | 12C1 _SDA | |
| 10 | Mtengo wa magawo SCL | PB8 | 12C1 _SCL | |
| J7 (Zina) | 1 | MISO | PB14 | SPI2 MISO |
| 2 | 5V | 5 V zolowetsa/zotulutsa | ||
| 3 | SCK | PB13 | SPI2 SCK |
| Cholumikizira | Pin nambala |
Arduino Pin dzina |
Chithunzi cha AT32F437 Pin dzina |
Kufotokozera |
| 4 | MOSI | PB15 | SPI2 MOSI | |
| 5 | Bwezeraninso | Mtengo wa NRST | Kukonzanso kwakunja | |
| 6 | GND | - | Pansi | |
| 7 | NSS | PB12 | Chithunzi cha SPI2CS | |
| 8 | PB11 | PB11 | - |
(1) Onani Table 2 kuti mudziwe zambiri za 0Ω resistors.
3.12.2 LQFP144 I/O mawonekedwe owonjezera
Ma I/Os a AT-START-F437 microcontroller amatha kulumikizidwa ku zida zakunja kudzera munjira zowonjezera J1 ndi J2. Ma I/O onse pa AT32F437ZMT7 akupezeka pazowonjezera izi. J1 ndi J2 amathanso kuyeza ndi oscilloscope, logic analyzer kapena voltmeter probe.
Zosangalatsa
Mbiri yobwereza
Gulu 4. Mbiri yokonzanso zolemba
| Tsiku | Kubwereza | Zosintha |
| 2021.11.20 | 1 | Kutulutsidwa koyamba |
Chidziwitso Chofunika - Chonde werengani mosamala
Ogula amamvetsetsa ndikuvomereza kuti ogula ali ndi udindo wosankha ndikugwiritsa ntchito zinthu ndi ntchito za Artery.
Zogulitsa ndi ntchito za Artery zimaperekedwa "MOMWE ILIRI" ndipo Artery imapereka palibe zitsimikizo zofotokozera, zonenedwa kapena zovomerezeka, kuphatikiza, popanda malire, zitsimikizo zilizonse zogulitsa, mtundu wokhutiritsa, kusaphwanya malamulo, kapena kulimba kwa ntchito inayake pokhudzana ndi Artery's. katundu ndi ntchito.
Ngakhale zili zosemphana ndi izi, ogula sapeza ufulu, udindo kapena chiwongola dzanja pazinthu zilizonse za Artery kapena maufulu aliwonse anzeru omwe ali mmenemo. Zogulitsa ndi ntchito za Artery sizingatanthauze (a) kupatsa ogula, momveka bwino kapena motanthauza, estoppel kapena mwanjira ina, chilolezo chogwiritsa ntchito zinthu ndi ntchito za munthu wina; kapena (b) kupereka chilolezo kwa anthu ena; kapena (c) kutsimikizira malonda ndi ntchito za gulu lina ndi ufulu wake waukadaulo.
Ogula amavomereza kuti zinthu za Artery sizololedwa kugwiritsidwa ntchito monga, ndipo ogula sangaphatikize, kulimbikitsa, kugulitsa kapena kusamutsa mankhwala a Artery kwa kasitomala aliyense kapena wogwiritsa ntchito kuti agwiritsidwe ntchito ngati zofunikira mu (a) zachipatala, zopulumutsa moyo kapena moyo. chipangizo chothandizira kapena dongosolo, kapena (b) chipangizo chilichonse chachitetezo kapena makina ogwiritsira ntchito magalimoto ndi makina (kuphatikiza koma osalekeza ndi ma brake agalimoto kapena ma airbag), kapena (c) zida zilizonse zanyukiliya, kapena (d) chipangizo chilichonse chowongolera magalimoto , kugwiritsa ntchito kapena dongosolo, kapena (e) chida chilichonse cha zida, kugwiritsa ntchito kapena dongosolo, kapena (f) chipangizo china chilichonse, kugwiritsa ntchito kapena kachitidwe komwe kuli zodziwikiratu kuti kulephera kwa zinthu za Artery monga momwe zimagwiritsidwira ntchito mu chipangizocho, kugwiritsa ntchito kapena dongosolo kungatsogolere. ku imfa, kuvulazidwa kwa thupi kapena kuwonongeka kwakukulu kwa katundu
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2021.11.20
Chibvumbulutso 1.00
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