I. Itumọ “Iwe-ipamọ Itanna”
"Iwe-ipamọ Itanna" kii ṣe aaye ibi ipamọ ti ara ṣugbọn kuku jẹ {{0}iwọn e- oluka nla tabi ebute kika ọlọgbọn. Ibi-afẹde akọkọ rẹ ni lati ṣe atunṣe iṣakoso iwe ati iriri kika ti awọn ile-ikawe ibile tabi awọn ile-iwe ni ọna kika oni-nọmba kan.
II. Awọn paati bọtini ati Awọn iṣẹ ti Awọn ile-iwe Itanna
1. Awọn ẹrọ Hardware & Awọn ipa wọn
Ifihan E Inki Nla: Laarin awọn inṣi 7.8 si 13.3 inches tabi tobi ju (ti o tobi ju iwọn 6–7 inch e{4}} awọn oluka), o funni ni agbegbe kika ti o jọra si awọn iwe ti ara tabi awọn iwe irohin. Pupọ lo imọ-ẹrọ E Inki fun itunu oju ati ṣiṣe agbara.
Olupilẹṣẹ akọkọ: Da lori ARM Cortex-A tabi Cortex{1}M jara ohun elo to nse (AP) tabi microcontrollers (MCU), o n ṣakoso awọn iṣẹ ṣiṣe eto, ṣiṣe, iṣakoso faili, ati ibaraẹnisọrọ nẹtiwọki.
Iranti: Pẹlu Ramu (fun awọn iṣẹ akoko gidi-) ati Flash/ROM (fun ibi ipamọ).
Asopọmọra Alailowaya: Wi{0}Fi jẹ boṣewa; Awọn awoṣe ti o ga julọ - le ṣafikun 4G/5G tabi Bluetooth.
Batiri: Agbara nla- lati ṣe atilẹyin awọn akoko kika ti o gbooro sii.
Awọn ọna Igbewọle: Atilẹyin iboju ifọwọkan, pẹlu awọn awoṣe diẹ ti o ni idaduro oju-iwe ti ara{0}} awọn bọtini titan.
Awọn atọkun: USB{{0}C (fun gbigba agbara ati gbigbe data), ati boya Iho kaadi MicroSD kan.
Awọn ẹya ohun: Awọn agbọrọsọ ati awọn gbohungbohun (lori awọn awoṣe yiyan) fun ṣiṣiṣẹsẹhin iwe ohun tabi titẹ ohun.
2. Software & Awọn iṣẹ mojuto
E{{0}Iwe Kika: Ṣe atilẹyin awọn ọna kika pataki (EPUB, PDF, MOBI, TXT, ati bẹbẹ lọ) pẹlu awọn eto isọdi (fonti, ifilelẹ, awọn akọsilẹ, itumọ).
Isakoso ile-ikawe: Ṣeto awọn ikojọpọ nla bii ile-ikawe ti ara, ṣiṣe tito lẹtọ, wiwa, tito lẹsẹsẹ, ati bukumaaki.
Wiwọle Akoonu: Sopọ nipasẹ Wi{0}Fi si awọn ile itaja iwe ori ayelujara (ti a ṣe{1}ninu tabi kẹta{2}}ẹgbẹ, gẹgẹbi JD Read, WeChat Read, Kindle) fun awọn igbasilẹ ati mimuuṣiṣẹpọ ilọsiwaju kika.
Awọn akọsilẹ & Awọn asọye: Fi aaye gba akiyesi{0}} gbigba, fifi ami si, ati awọn asọye nipasẹ stylus tabi keyboard.
Imudani Iwe-ipamọ: Fojusi lori kika PDF, asọye, ati isọdọtun; diẹ ninu wiwo iwe aṣẹ Office (apẹrẹ fun iṣẹ / ikẹkọ).
Awọn amugbooro App: Ṣii awọn ọna ṣiṣe (fun apẹẹrẹ, Android) jẹ ki awọn olumulo fi sori ẹrọ{2}}kẹta kika tabi awọn ohun elo iwulo.
III. Crystal Oscillators ni Awọn ile-iwe Itanna: Awọn idii, Awọn Igbohunsafẹfẹ, ati Awọn pato
Awọn apoti iwe itanna, gẹgẹbi awọn ọna ṣiṣe ifibọ eka, nilo awọn orisun aago ọtọtọ fun awọn modulu oriṣiriṣi. Ni isalẹ ni didenukole ti awọn pato oscillator gara gara:
|
Module iṣẹ |
Aṣoju Package Iwon |
Aṣoju Igbohunsafẹfẹ |
Agbara fifuye (Iwọn to wọpọ) |
Key Performance ibeere |
|
Aago System akọkọ |
3225 (Gbigba) |
8MHz, 24Mhz (Igbagbogbo) |
8pF, 10pF, 12pF |
Miniaturization, iduroṣinṣin |
|
2520/2016 (Aṣa) |
19.2MHz, 26MHz, 48MHz |
8pF, 10pF, 12pF |
Miniaturization, iduroṣinṣin |
|
|
Alailowaya Module |
Ọdun 2016 (Igbagbogbo) |
26MHz (Wi-Fi Gbangba) |
8pF, 10pF |
Ipese giga (± 10ppm tabi dara julọ), ariwo alakoso kekere |
|
1612 (Aṣa) |
40MHz (Wọpọ) |
8pF, 10pF |
Ipese giga (± 10ppm tabi dara julọ), ariwo alakoso kekere |
|
|
1612 (Aṣa) |
38.4MHz (Diẹ ninu) |
8pF, 10pF |
Ipese giga (± 10ppm tabi dara julọ), ariwo alakoso kekere |
|
|
Aago gidi - (RTC) |
3215 (Gbigba) |
32.768kHz |
6pF, 7pF, 9pF, 12.5pF |
Agbara kekere, iduroṣinṣin igba pipẹ{{0}, irẹwẹsi |
|
1610 (Ti o kere) |
32.768kHz |
6pF, 7pF, 9pF, 12.5pF |
Agbara kekere, iduroṣinṣin igba pipẹ{{0}, irẹwẹsi |
|
|
Iṣakoso ifọwọkan / Ifihan |
3225, 2520 |
12MHz, 24MHz |
10pF, 12pF |
Iduroṣinṣin ipilẹ, idiyele - ṣiṣe |
|
Kodẹki ohun |
3225, 2520 |
12.288MHz, 11.2896MHz |
10pF, 12pF |
Iduroṣinṣin, kekere jitter |
|
Awọn eerun iranlọwọ |
3225, 2016 |
Ni pato (fun apẹẹrẹ, 25MHz) |
Bi fun ërún ibeere |
Iduroṣinṣin ipilẹ, idiyele - ṣiṣe |
IV. Kini idi ti Awọn Oscillators Crystal wọnyi Ṣe pataki
Pese akoko to peye "Awọn aiya ọkan"
Awọn paati oni nọmba bii awọn ero isise, awọn modulu ibaraẹnisọrọ, ati awọn atọkun gbarale awọn ifihan agbara aago iduroṣinṣin lati mu awọn iṣẹ ṣiṣẹpọ. Laisi wọn, awọn eto yoo bajẹ tabi ṣiṣẹ laiṣe.
Modulu ipade -Awọn iwulo pataki
Iṣe Aṣeṣe: Igbohunsafẹfẹ giga{{0}, aago akọkọ iduroṣinṣin (nipasẹ isodipupo PLL) ṣe idaniloju iṣẹ Sipiyu dan.
Didara Alailowaya: Ga{0}}ipeye, kekere-alakoso{2}}awọn kirisita ariwo (fun apẹẹrẹ, 26/40MHz) ṣe pataki fun Wi{7}}Fi/BT transceivers, ni ipa taara iduroṣinṣin asopọ, awọn oṣuwọn data, ati didara ifihan.
Titọju akoko: 32.768kHz RTC kirisita n ṣetọju akoko deede pẹlu agbara kekere -, paapaa lakoko ipo oorun.
Iṣakojọpọ Iṣẹ: Iṣapẹẹrẹ ifọwọkan, isọdọtun ifihan, ati ṣiṣiṣẹsẹhin ohun ohun kọọkan nilo awọn aago iyasọtọ lati mu awọn iṣẹ ṣiṣẹ.
Ni atilẹyin Miniaturization
Dada-òke (SMD) kirisita (3225, 2520, 2016, 1612) ibamu PCBs iwapọ, ni ibamu pẹlu awọn ihamọ aaye ti ẹrọ itanna ode oni.
Idaniloju Iduroṣinṣin ati Igbẹkẹle
Awọn kirisita gbọdọ koju awọn iyipada iwọn otutu ati awọn gbigbọn, pẹlu igbohunsafẹfẹ to lagbara -iduroṣinṣin iwọn otutu ati iduro gigun{1}.
Iṣakoso Lilo Agbara
Awọn kirisita RTC kekere{{0}Agbara fa akoko imurasilẹ pọ si, lakoko ti iṣakoso agbara daradara fun awọn kirisita miiran n dinku lilo agbara gbogbogbo.
Iwontunwonsi iye owo ati Performance
Awọn aṣelọpọ yan awọn kirisita ti o pade awọn alaye lẹkunrẹrẹ imọ-ẹrọ ni awọn idiyele to dara julọ, ni imọran awọn iyatọ ninu iwọn package, deede, ati ami iyasọtọ.
V. Ipari
Awọn apoti iwe itanna nbeere oniruuru, giga{0}awọn oscillators kristali iṣẹ. Loye apẹrẹ eto wọn ati awọn ibeere pato ti module kọọkan (package, igbohunsafẹfẹ, agbara fifuye, awọn metiriki iṣẹ) jẹ bọtini. Lati awọn ero isise si awọn modulu alailowaya ati awọn RTC, awọn paati akoko wọnyi taara ni ipa lori iṣẹ ẹrọ, iduroṣinṣin, ati iriri olumulo- ṣiṣe wọn ṣe pataki si ilolupo ibi ipamọ iwe itanna.
