This slides explain about parallel port that commonly used for connecting between the peripherals and the computer. It describe how does the parallel port works, advantages & disadvantages, pin configuration, and so on.
2. PERIFERAL KOMPUTER
PERIFERAL
KOMPUTER
Hardware tambahan yang disambungkan ke komputer, biasanya dengan
bantuan kabel ataupun wireless. Periferal bertugas membantu komputer
menyelesaikan tugas yang tidak dapat dilakukan oleh hardware yang sudah
terpasang didalam casing.
3. ANTARMUKA KOMPUTER
Interfacing (antarmuka) adalah bagian dari disiplin ilmu komputer
yang mempelajari teknik-teknik menghubungkan komputer
dengan peralatan elektronika lainnya.
PC/ A System
Data
Data
Peripheral
PC/A System
Antarmuka
4. PORT SEBAGAI INTERFACE
Serial port
USB port
Parallel port
VGA port
Berbagai Port
pada PC
Audio port
LAN port
Port adalah gerbang yang digunakan sebagai konektor (Penghubung) antara
perangkat periferal dengan suatu mainboard pada sistem komputer. Ports
memperbolehkan data dikirim/diterima ke/dari perangkat eksternal.
5. PORT PARALEL
Definisi
Port parallel merupakan salah satu tipe antarmuka pada
komputer untuk berhubungan dengan perangkat peripheral.
Port parallel dikenal juga dengan sebagai printer port atau
centronics port.
Fungsi
Fungsi port paralel adalah sebagai penghubung motherboard
dengan printer jenis lama, beberapa Scanner, Sound Cards,
Web Cams, Gamepads, Joystick, dan External CD-R atau CDRW.
Dewasa ini, antarmuka port paralel mulai jarang digunakan
karena berkembangnya teknologi port Universal Serial Bus
(USB) dan FireWire devices (High speed serial bus).
6. Why does it said “Parallel” ?
Port paralel bekerja dengan
mengirim dan menerima
beberapa bit pada satu saat
melalui satu set kabel.
7. JENIS PORT PARALEL
Port Paralel
Tipe A
Konektor DB-25
Konektor DB-25 dapat
ditemukan di
kebanyakan komputer
Tipe B
Centronics 36Pin
Tipe C
Mini Centronics
(MDR36)
Konektor Centronics
36-pin sering
ditemukan pada
printer
Mirip Konektor
Centronics 36-pin
namun ukurannya
saja yang lebih kecil
dan tidak begitu
populer
8. KONFIGURASI PORT PARALEL DB-25
Nama Pin
Pin ke-
Fungsi
D0-D7
Pin 2-9
Data
S3-S7
Pin 10,11,12,13,15
Status
C0-C3
Pin 14,16,17
Control
9. KONFIGURASI PORT PARALEL
Pada parallel port DB-25, Data dikirim sebanyak 1 byte (8bit) dalam sekali detak melalui pin ke-2 hingga pin ke-9
(D0-D7 = Data pin) kepada perangkat periferal. Data yang
dikirim berupa biner yang direpresentasikan dalam bentuk
sinyal tegangan (Misal : 0V untuk 0 dan +5V untuk 1)
Untuk menerima data dari perangkat periferal, digunakan 5
buah status pin (pin 10,11,12,13,15). Setiap pin dapat
menerima 1 bit data dalam sekali detak.
Terdapat 4 buah pin kontrol (C0-C3 = pin 1,14,16,17).
Control pin dapat mengirim data ke perangkat peripheral
dan juga menerima data dari periferal. Pin ini bersifat
bidireksional. Berbeda dengan data pin dan kontrol pin,
mereka bersifat uni-direksional (dapat menerima atau
mengirim data SAJA).
Pin-pin sisanya (pin 18-25) adalah ground pin. Dibentuk
hanya untuk melengkapi rangkaian.
10. MODE OPEPRASI
PORT PARALEL
Mode Kompatibilitas
Mode kompatibilitas atau (“Mode Centronics”) hanya
dapat mengirimkan data ke perangkat periferal pada
kecepatan 50 kbytes per detik hingga 150 kbytes per
detik.
Mode Nibble
Dapat menerima 4 bit (nibble) pada arah yang mundur,
misalnya dari alat ke komputer
Mode byte
Menggunakan fitur bi-directional parallel
Mode Enhanced Parallel Port (EPP)
Mode Extended Capability Port (ECP)
11. APLIKASI PORT PARALEL
Dewasa ini, kebanyakan port parallel telah digantikan
perannya dengan port USB. Namun, berikut disajikan
beberapa komponen perangkat keras yang menggunakan
port parallel:
1.
Printer
2.
Scanner
3.
External Drives
13. Referensi
Budiharto, Widodo. 2005. Elektronika digital dan
Mikroprosesor. Yogyakarta. Andi.
Artikel non-personal. 2013. Parallel Port.
http://id.wikipedia.org/. Agustus 2013.
Lischer, Kenny. 2009. Fungsi dari Serial Port dan Paralel
Port. http://lischer.wordpress.com/. Agustus 2013.
Atmelmikrokontroler. 2013. Komunikasi Paralel
Mikrokontroler – Komputer.
http://atmelmikrokontroler.wordpress.com/. Agustus
2013.
Editor's Notes
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