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Created page with 'Schematics and Chipset for [[Aleste 520EX]] == Schematics (edited, with corresponding western part numbers) == <gallery> File:Aleste-Schematic1.gif|Schematic 1/4 File:Aleste-Sc…'
Schematics and Chipset for [[Aleste 520EX]]
== Schematics (edited, with corresponding western part numbers) ==
<gallery>
File:Aleste-Schematic1.gif|Schematic 1/4
File:Aleste-Schematic2.gif|Schematic 2/4
File:Aleste-Schematic3.gif|Schematic 3/4
File:Aleste-Schematic4.gif|Schematic 4/4
File:Aleste-Component-Map.gif|Component Map
</gallery>
For reference, the original '''unedited''' schematics are here:
[[Media:Black-Aleste-Schematic1.gif|Sheet 1]],
[[Media:Black-Aleste-Schematic2.gif|Sheet 2]],
[[Media:Black-Aleste-Schematic3.gif|Sheet 3]],
[[Media:Black-Aleste-Schematic4.gif|Sheet 4]], and
[[Media:Black-Aleste-Component-Map.gif|Component Map]]
== Aleste Chipset ==
=== Main Chipset ===
pcs russian western description location
1 Z80A CPU Z80A CPU (D30=sheet2)
1 UM6845 6845 CRTC (D25=sheet2)
1 AY-3-8910 AY3-8910 PSG, Dual I/O (D18=sheet2) (with TWO I/O ports, unlike as in CPC)
4 KR1802IR1 ? RAM 16x4 (D60,D61=sheet2=palette, D62,D63=sheet4=keyboard)
1 KR1810WG72 uPD765 FDC (D70=sheet3)
1 KR580WI53 8253 baudrate timer (D33=sheet4) (/CS=/CS53, A0,A1=A0,A1, D0-D7=AY0-AY7=PPIpa) (/WR only, no /RD) (CLK0,CLK1=WGPTCLK=16MHz/n, see sheet3)
1 KR580WW51A 8251(A?) usart/mouse (D34=sheet2) (A12=/CS, A8=C/D)
1 KR580WW55A 8255 PPI (D17=sheet2)
1 KR512WI1 MC146818 RTC (D19=sheet2)
16 K565RU7K HM50256 DRAM 256Kx1 (D1..D16=sheet3) (512Kbyte)
1 K573RF4 27512 EPROM 64Kx8 (D31=sheet2) (BIOS/BASIC/BOOT/AMSDOS)
2 K573RF2 2764 EPROM 2Kx8 (D62=COLDAT=sheet1, D65=VDKEY=sheet1)
1 K155RE3 27S18 PROM 32x8 OC (D69="Af"=sheet3=floppy) (dummy FP0..FP3, disk /GATE, to D72 count --> DW --> FDC)
2 (KR)556RT4 27S20 PROM 256x4 OC (D28="M"=MAP14..MAP17=sheet2, D67="R"=ROMEN/RAMEN etc.=sheet1)
=== Further Chips ===
pcs russian western description location
1 K170AP2 SN75150 rs232 dual line driver (D86=sheet4)
1 K555AP6 74LS245 8bit 3state tranceiver (D89=sheet3)
2 K555ID4 74LS155 2x2bit decoder/demult (D54=sheet1, D74=sheet3)
1 K555ID10 74LS145 bcd demultiplexer (D80=sheet4)
1 K555IE5 74LS93 4bit (1bit+3bit) counter (D72=sheet3)
1 K555IE10 74LS161 4bit counter (D37=sheet1)
4 K555IR11A 74LS194 4bit shift register (D39,D49=sheet1, D50,D51=sheet2)
4 K555IR22 74LS373 8bit 3state latch (D45,D46,D47,D48=sheet1) (RAM 16bit-to-8bit cpu/vram bus)
2 K555IR23 74LS374 8bit 3state flipflop (D58=sheet3, D84=sheet4)
2 K555IR32 74LS170 4x4bit register file OC (D87,D88=sheet2)
6 K555KP2 74LS153 2x 4vstup. multiplexer (D20,D21,D22,D23,D52,D53=sheet2)
2 K555KP7 74LS151 8bit multiplexer (D24=sheet2,D81=sheet4)
1 K555KP11 74LS257 8-to-4 data selector (D38=sheet1) (clock select)
1 K555KP12 74LS253 2x 4vstup. multiplexer, TS "8-to-2 line 3-state noninverting data selector/multiplexer" (D26=sheet3)
.. K555LA3 74LS00 Quad NAND gates (various)
.. K555LE1 74LS02 Quad NOR gates (various)
.. K555LI1 74LS08 Quad AND gates (various)
.. K555LL1 74LS32 Quad OR gates (various)
.. K555LN1 74LS04 Hex inverters (various)
1 K555LN2 74LS05 Hex inverters, OC (D76=sheet3)
5 K555TM2 74LS74 Dual flipflop (D40,D77,D66,D57=sheet1, D71=sheet3)
6 K555TM9 74LS174 6bit flipflop (D32,D55,D56=sheet1, D59=sheet2, D68=sheet3, D79=sheet4)
1 K561IE10 MC14520B dual up binary counter (D63,D64=sheet1)
=== Chipset Notes ===
* The part numbers printed on the chips may look like "KPxxx" (cyrillic) instead of "KRxxx" (latin).
* As mentioned at chipdir, KR1802IR1 is similar to AM29705, but '''NOT''' the same (the AM29705 has four additional data pins).
== Schematics (edited, with corresponding western part numbers) ==
<gallery>
File:Aleste-Schematic1.gif|Schematic 1/4
File:Aleste-Schematic2.gif|Schematic 2/4
File:Aleste-Schematic3.gif|Schematic 3/4
File:Aleste-Schematic4.gif|Schematic 4/4
File:Aleste-Component-Map.gif|Component Map
</gallery>
For reference, the original '''unedited''' schematics are here:
[[Media:Black-Aleste-Schematic1.gif|Sheet 1]],
[[Media:Black-Aleste-Schematic2.gif|Sheet 2]],
[[Media:Black-Aleste-Schematic3.gif|Sheet 3]],
[[Media:Black-Aleste-Schematic4.gif|Sheet 4]], and
[[Media:Black-Aleste-Component-Map.gif|Component Map]]
== Aleste Chipset ==
=== Main Chipset ===
pcs russian western description location
1 Z80A CPU Z80A CPU (D30=sheet2)
1 UM6845 6845 CRTC (D25=sheet2)
1 AY-3-8910 AY3-8910 PSG, Dual I/O (D18=sheet2) (with TWO I/O ports, unlike as in CPC)
4 KR1802IR1 ? RAM 16x4 (D60,D61=sheet2=palette, D62,D63=sheet4=keyboard)
1 KR1810WG72 uPD765 FDC (D70=sheet3)
1 KR580WI53 8253 baudrate timer (D33=sheet4) (/CS=/CS53, A0,A1=A0,A1, D0-D7=AY0-AY7=PPIpa) (/WR only, no /RD) (CLK0,CLK1=WGPTCLK=16MHz/n, see sheet3)
1 KR580WW51A 8251(A?) usart/mouse (D34=sheet2) (A12=/CS, A8=C/D)
1 KR580WW55A 8255 PPI (D17=sheet2)
1 KR512WI1 MC146818 RTC (D19=sheet2)
16 K565RU7K HM50256 DRAM 256Kx1 (D1..D16=sheet3) (512Kbyte)
1 K573RF4 27512 EPROM 64Kx8 (D31=sheet2) (BIOS/BASIC/BOOT/AMSDOS)
2 K573RF2 2764 EPROM 2Kx8 (D62=COLDAT=sheet1, D65=VDKEY=sheet1)
1 K155RE3 27S18 PROM 32x8 OC (D69="Af"=sheet3=floppy) (dummy FP0..FP3, disk /GATE, to D72 count --> DW --> FDC)
2 (KR)556RT4 27S20 PROM 256x4 OC (D28="M"=MAP14..MAP17=sheet2, D67="R"=ROMEN/RAMEN etc.=sheet1)
=== Further Chips ===
pcs russian western description location
1 K170AP2 SN75150 rs232 dual line driver (D86=sheet4)
1 K555AP6 74LS245 8bit 3state tranceiver (D89=sheet3)
2 K555ID4 74LS155 2x2bit decoder/demult (D54=sheet1, D74=sheet3)
1 K555ID10 74LS145 bcd demultiplexer (D80=sheet4)
1 K555IE5 74LS93 4bit (1bit+3bit) counter (D72=sheet3)
1 K555IE10 74LS161 4bit counter (D37=sheet1)
4 K555IR11A 74LS194 4bit shift register (D39,D49=sheet1, D50,D51=sheet2)
4 K555IR22 74LS373 8bit 3state latch (D45,D46,D47,D48=sheet1) (RAM 16bit-to-8bit cpu/vram bus)
2 K555IR23 74LS374 8bit 3state flipflop (D58=sheet3, D84=sheet4)
2 K555IR32 74LS170 4x4bit register file OC (D87,D88=sheet2)
6 K555KP2 74LS153 2x 4vstup. multiplexer (D20,D21,D22,D23,D52,D53=sheet2)
2 K555KP7 74LS151 8bit multiplexer (D24=sheet2,D81=sheet4)
1 K555KP11 74LS257 8-to-4 data selector (D38=sheet1) (clock select)
1 K555KP12 74LS253 2x 4vstup. multiplexer, TS "8-to-2 line 3-state noninverting data selector/multiplexer" (D26=sheet3)
.. K555LA3 74LS00 Quad NAND gates (various)
.. K555LE1 74LS02 Quad NOR gates (various)
.. K555LI1 74LS08 Quad AND gates (various)
.. K555LL1 74LS32 Quad OR gates (various)
.. K555LN1 74LS04 Hex inverters (various)
1 K555LN2 74LS05 Hex inverters, OC (D76=sheet3)
5 K555TM2 74LS74 Dual flipflop (D40,D77,D66,D57=sheet1, D71=sheet3)
6 K555TM9 74LS174 6bit flipflop (D32,D55,D56=sheet1, D59=sheet2, D68=sheet3, D79=sheet4)
1 K561IE10 MC14520B dual up binary counter (D63,D64=sheet1)
=== Chipset Notes ===
* The part numbers printed on the chips may look like "KPxxx" (cyrillic) instead of "KRxxx" (latin).
* As mentioned at chipdir, KR1802IR1 is similar to AM29705, but '''NOT''' the same (the AM29705 has four additional data pins).
