Graphic Unit

[suntri]

Features:
• 6 printed circuit boards with 75 low integrated circuits
• 16 Colors, 640x400 Pixel, 70 Hz mode
• includes a character generator for 8 different character sets
• text modes supported by the Operating System: 80x25, 80x50, 40x25, 40x50
• graphic modes supported by the Operating System: 640x400x2, 160x200x16, 320x200x16, 640x400x16
• the Graphic Unit can be connected to nearly every microcontroller

[suntri]

IMG_20220127_140430.jpg (366.86 KiB) 1173 mal betrachtet

IMG_20220127_140430.jpg (366.86 KiB) 1173 mal betrachtet

74HC74 IC8, IC14, IC15
74HC393 IC1
74HC574 IC9
74HC590 IC2, IC7
74HC688 IC3, IC4, IC5, IC6, IC10, IC11, IC12, IC13
Oscillator 25.175 MHz QG1
33 Ohm R1, R42, R43, R44, R45, R46, R47, R48, R57, R58
100nF C1 – C15
10µF / 16V, tantal C104
16 pin header J7

[suntri]

IMG_20220127_140422.jpg (402.56 KiB) 1172 mal betrachtet

IMG_20220127_140422.jpg (402.56 KiB) 1172 mal betrachtet

74AC00 IC54
74AC04 IC43
74HC08 IC42
74HC32 IC44
74AC74 IC40, IC41
74HC74 IC38
74AC541 IC36
74AC574 IC37
74HC574 IC39, IC45
BAT 41 D5
33 Ohm R3, R4, R6 - R12, R38, R39, R41, R50, R68
470 Ohm R59, R69, R70
1 K R13, R14
10 K R49, R60
SIL 4 x 470 Ohm R17
SIL 8 x 10 K R16
100nF C36 – C45, C54
10µF / 16V, tantal C103
3 pin jumper block JP1
10 pin header J9
14 pin header J8
16 pin header J6, J

[suntri]

IMG_20220127_140414.jpg (434.04 KiB) 1171 mal betrachtet

IMG_20220127_140414.jpg (434.04 KiB) 1171 mal betrachtet

74AC00 IC53, IC70
74HC08 IC71
74AC32 IC69
74HC32 IC68
74AC74 IC73
74HC74 IC74
74HC138 IC52, IC66, IC75
74HC139 IC65
74HC244 IC51
74HC245 IC64
74AC574 IC49, IC72
74HC574 IC50, IC67
BAT 41 D1, D2, D3, D4
47 Ohm R27, R28, R29
270 Ohm R18, R19, R20
390 Ohm R24, R25, R26
470 Ohm R36, R51, R52, R53, R55, R56, R73
560 Ohm R82, R83, R84
680 Ohm R21, R22, R23
1 K R54, R71, R72
47 K R34, R76, R77, R78, R79,
8 x 47 K R81
100nF C49 - C53, C64 - C75
10µF / 16V, tantal C105, C106
10 pin header J2, J5
14 pin header J8
16 pin header J1
20 pin header J4
15 pin fine-pitch Sub-D VGA
connector, female
X1
DIN 41612 Connector X2

[suntri]

IMG_20220127_140404.jpg (381.46 KiB) 1171 mal betrachtet

IMG_20220127_140404.jpg (381.46 KiB) 1171 mal betrachtet

74HC08 IC34
74AC32 IC35
74HC257 IC48
74HC590 IC31, IC33
74HC541 IC30
74AC574 IC46, IC47
74HC574 IC28, IC29, IC56
RAM 62256 70ns IC27 70ns or faster !
470 Ohm R2, R30, R31, R32, R62
1 K R33, R35, R61, R63
SIL 8 x 10K R74, R75
SIL 8 x 47K R80
100nF C27-C31, C33-C35, C46-C48, C56
10µF / 16V, tantal C101
10 pin header J2, J5
14 pin header J8
16 pin header J1, J6
20 pin header J3, J4
3 pin jumper block JP2

[suntri]

IMG_20220127_140355.jpg (349.88 KiB) 1171 mal betrachtet

IMG_20220127_140355.jpg (349.88 KiB) 1171 mal betrachtet

74HC00 IC32
74AC04 IC22
74AC08 IC23
74AC161 IC19, IC20
74HC161 IC17, IC18, IC21
74HC541 IC25, IC26
74HC574 IC16
74HC688 IC24
470 Ohm R65, R66, R67
10 K R37
SIL 6 x 2K2 R15
100nF C16 - C26, C32
10µF / 16V, tantal C102
10 pin header J9
14 pin header J8
16 pin header J1, J6
20 pin header J3, J4
3 pin jumper block JP3

[suntri]

IMG_20220127_140344.jpg (407.09 KiB) 1171 mal betrachtet

IMG_20220127_140344.jpg (407.09 KiB) 1171 mal betrachtet

74AC32 IC63
74HC541 IC59, IC60
74HC574 IC55, IC57, IC58
62256 / 70ns IC61 70ns or faster
27C256 / 80ns IC62 Program with file “charset.bin”
1 K R64
100nF C55, C57 - C63
10 pin header J5
14 pin header J8
16 pin header J1, J6
20 pin header J3, J4

[Physiker66]

Hast du eine Beschreibung wie das VGA board funktioniert und einen Schaltplan?

liebe Gruesse
Michael

[suntri]

Hier die Dokumentation zu dieser Baugruppe:

GraphicUnit_Selfbuild-Guide.pdf

(1.79 MiB) 116-mal heruntergeladen

GraphicUnit_Selfbuild-Guide.pdf

(1.79 MiB) 116-mal heruntergeladen

[Physiker66]

Danke schön
Michael