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Apoll011
A modern educational computer built around the Western Design Center W65C816S, combining classic computer architecture with modern design practices, clean documentation, and an expandable hardware platform.
| Reference | Value | Description |
|---|---|---|
| IC1 | DS1818 | 5V EconoReset with Pushbutton |
| U1,U25 | SN74LVC8T245 | 8-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and 3-State Outputs |
| U2 | 2.42OLED | |
| U3 | 74LVC1G32 | Single OR Gate, Low-Voltage CMOS |
| U4 | 74LVC1G14 | Single Schmitt NOT Gate, Low-Voltage CMOS |
| U5 | MM74C923 | 20-key encoder |
| U6 |
| quad 2-input NAND gate |
| U27 | SN74LVC1T45DBV | Single-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and 3-State Outputs, SOT-23-6 |
|---|
| UART_USBA1,UART_USBC1 | CH340C | USB serial converter, crystal-less, UART, SOIC-16 |
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| ADDR1 | ATF22LV10C |
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| AUDIO1,J1,J11,J12 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| AUDIO_AMPL2 | pam8403 |
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| BankRegister1 | 74HC373 | 8-bit Latch, 3-state outputs |
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| C1,C10,C17,C20 | 1uF | Unpolarized capacitor, small symbol |
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| C2,C4-C6,C13,C14,C16,C19,C21-C29 | 100nF | Unpolarized capacitor, small symbol |
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| C3,C8 | 22nF | Unpolarized capacitor, small symbol |
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| C7,C9 | 10uF | Unpolarized capacitor, small symbol |
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| C11,C18,C35 | 47uF | Unpolarized capacitor, small symbol |
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| C12 | 470pF | Unpolarized capacitor, small symbol |
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| C15 | 10µF | Unpolarized capacitor, small symbol |
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| C30,C31 | 1000µF | Unpolarized capacitor, small symbol |
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| C32,C33 | 30pF | Unpolarized capacitor, small symbol |
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| C34 | 470µF | Unpolarized capacitor, small symbol |
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| CPU1 | W65C816SxP | 8/16-bit CMOS General Purpose Microprocessor, DIP-40 |
|---|
| D1 | SS14 | 40V 1A Schottky Diode, SMA |
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| ETHERNET1 | WIZ850IO |
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| Ext0,Ext1 | Conn_02x10_Odd_Even | Generic connector, double row, 02x10, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J2 | Conn_01x09 | Generic connector, single row, 01x09, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | Conn_01x07 | Generic connector, single row, 01x07, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J5 | USB_C_Receptacle_USB2.0_14P | USB 2.0-only 14P Type-C Receptacle connector |
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| J7 | USB_A | USB Type A connector |
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| PortC_Ext1,PortD_Ext2 | Conn_01x10 | Generic connector, single row, 01x10, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| PWR_PIN1 | Conn_02x04_Odd_Even | Generic connector, double row, 02x04, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| R1,R2,R4-R6,R8-R10,R16,R19,R25-R28 | 10k | Resistor, small US symbol |
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| R3,R17 | 4.7k | Resistor, small US symbol |
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| R7 | 1k | Resistor, small US symbol |
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| R22,R23 | 5.1k | Resistor, small US symbol |
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| RAM1 | AS6C4008-55PCN | 512K x 8 Low Power CMOS RAM, DIP-32 |
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| ROM1 | AT28LV256 | Paged Parallel EEPROM 256Kb (32K x 8), DIP-28/SOIC-28 |
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| RTC1 | DeadOn RTC | Generic connector, single row, 01x07, script generated |
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| SDCARD1 | Micro_SD_Card | Micro SD Card Socket |
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| SERIAL1 | SC16C654DBIB64_151 |
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| SERIAL_C1,SERIAL_D1 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
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| SID2 | SID |
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| SW1 | SW_Push | Push button switch, generic, two pins |
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| VIA1,VIA2 | W65C22SxP | CMOS Versatile Interface Adapter (VIA), 20-pin I/O, 2 Timer/Counters, DIP-40 |
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| Y1 | TFT680 | Crystal Clock Oscillator, DIP14-style metal package |
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| Y2 | Crystal | Two pin crystal |
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