A.
Tujuan
Setelah praktek diharapkan
siswa dapat :
1)
Menyebutkan definisi rangkaian
sistem Minimum Mikrokontroler Berbasis
ATMega 16/ATMega 8535.
2)
Menyebutkan deskripsi dan fungsi
sistem Minimum Mikrokontroler Berbasis
ATMega 16/ATMega 8535.
3)
Menggambar rangaian sistem Minimum
Mikrokontroler Berbasis ATMega 16/ATMega
8535.
4)
Menggambarkan layout pcb rangkaian
sistem Minimum Mikrokontroler Berbasis
ATMega 16/ATMega 8535.
5)
Membuat pcb rangkaian sistem
Minimum Mikrokontroler Berbasis ATMega
16/ATMega 8535.
6)
Membuat rangkaian sistem Minimum
Mikrokontroler Berbasis ATMega 16/ATMega
8535.
7)
Melaksanakan uji coba rangkaian
sistem Minimum Mikrokontroler Berbasis
ATMega 16/ATMega 8535.
8)
Membuat deskripsi dan kesimpulan
dari proses perakitan rangkaian sistem Minimum Mikrokontroler Berbasis ATMega 16/ATMega 8535.
B. Teori Dasar
1)
Deskripsi Rangkaian Sistem Minimum
Mikrokontroller
Sistem Minimum Mikrokontroler adalah
sebuah rangkaian paling sederhana dari sebuah mikrokontroler agar
mikrokontroler tersebut bisa beroperasi sesuai fungsinya yaitu sebagai pusat
pengendali dari sebuah system rangkaian kontrol.
2)
Fungsi Rangkaian Sistem Minimum
Mikrokontroller
Rangkaian Clock
berfungsi membangkitkan sinyal listrik
berbentuk gekombang kotak yang dibutuhkan sebuah mikrokontroller untuk
mengatur ritme operasi dari mikrokontroller tersebut.
Rangkaian Clock
biasanya dibentuk oleh sebuah Crystal Clock dengan frekwensi sesuai dengan
frekwensi yang dibutuhkan oleh IC Mikrokontroller yang digunakan ditambah
dengan dua buah kapasitor keramik.
3)
Gambar rangkaian sistem Minimum
Mikrokontroler Berbasis ATMega 16/ATMega
8535.
4)
Gambar layout pcb rangkaian sistem
Minimum Mikrokontroler Berbasis ATMega
16/ATMega 8535.
C.
Alat Dan Bahan
a.
Alat
1)
Solder listrik
2)
Tang potong
3)
Pompa solder
4)
Bor PCB
5)
Mata bor ukuran 1 mm atau 0,8 mm
6)
Amplas
7)
Hairdrayer
b.
Bahan
1)
Papan PCB
2)
FeCI
3)
Air hangat
4)
Sabun cuci
5)
Kertas dan alat tulis
6)
Komponen elektronika untuk rangkaian sistem Minimum Mikrokontroler
Berbasis ATMega 16/ATMega 8535.
7)
Kabel
8)
Tinol.
D.
Langkah Kerja
1)
Siapkan alat dan bahan yang
dibutuhkan.
2)
Menggambar rangkaian sistem Minimum
Mikrokontroler Berbasis ATMega 16/ATMega
8535 dalan layot PCB yang sudah dipotong
.
3)
Larutkan papan PCB
4)
Bor PCB dengan mata bor ukuran 1 mm atau 0,8 mm
5)
Uji komponen-komponen elektronika
yang akan digunakan sebelum dipasang ,catat hasil pengujianya.
6)
Pasanglah komponen pada PCB
tersebut kemudian solder komponen pada PCB
7)
Potong sisa komponen pada PCB
sehingga terlihat lebih rapi
8)
Bereskan dan kembalikan peralatan
pada tempatnya semula
9)
Melaksanakan uji coba .
10)
Dan lapoprkan hasil pengujian .
11)
Membuat deskripsi dan kesimpulan dari proses pembuatan sistem Minimum
Mikrokontroler Berbasis ATMega 16/ATMega
8535.
E.
Keselamatan Kerja
1)
Pakailah pakaian praktek dan alat
perlindungan kerja yang diperlukan
2)
Tempatkan alat dan bahan pada
posisi yang aman
3)
Gunakan alat dan bahan sesuai
dengan fungsinya
4)
Solder komponen pasif terlebih
dahulu ,setelah itu dilanjutkan ke komponen yang aktif .
F.
Gabar Kerja
1.
Ganbar rangkaian
2.
Gambar Layout PCB
3.
Gambar yang sudah jadi.
G. Pertanyaan Dan Tugas
1)
Pertanyaan
Ø Jelaskan apa yang dimaksud dengan Rangkaian Sistem Minimum
Mikrokontroler ?
Ø Jelaskan fungsi Rangkaian Sistem Minimum Mikrokontroler ?
Ø Sebutkan komponen – komponen yang digunakan pada Rangkaian Sistem
Minimum Mikrokontroler?
Ø Jelaskan langkah perakitan Rangkaian Sistem Minimum Mikrokontroler
Berbasis Mikrokontroller ATMega 16 /ATMega 8535.
Ø Jelaskan langkah uji coba
Rangkaian Sistem Minimum Mikrokontroler Berbasis Mikrokontroller ATMega
16 /ATMega 8535.
2)
Jawab .
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Kesimpulan
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