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Std EditionTMS9900
Profile：TI TMS9900 CPU and support chips are pretty easy to buy, but not that easy to implement. Hopefully, this will make life easier.
License: BSD
Description
This is a basic design from the TI Databooks. No originality is claimed. I will update this page with a link to firmware soon!
Documents
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | TMS9904 | U1 | DIP-20_L25.4-W10.2-P2.54-LS7.6-BL | 1 |
| 2 | TMS9900 | U2 | DIP-64_W22.86MM_SOCKET | 1 |
| 3 | TMS9901 | U6 | DIP-40_L52.0-W13.7-P2.54-LS15.2-BL | 1 |
| 4 | TMS9902 | U12 | DIP-18_L22.8-W6.4-P2.54-LS9.4-BL | 1 |
| 5 | 27C256 | U7,U8 | DIL28_600 | 2 |
| 6 | 130 | R1 | RTH025W | 1 |
| 7 | 100K | R2 | RTH025W | 1 |
| 8 | 100 | R3,R4,R5,R6,R7 | RTH025W | 5 |
| 9 | 10K | R8,R9,R10 | RTH025W | 3 |
| 10 | Header7 | J4 | HEADER7 | 1 |
| 11 | DS1210 | U11 | DIP-8_L9.3-W6.4-P2.54-LS7.6-BL | 1 |
| 12 | 10K | RN3,RN2,RN1 | RESISTOR_NETWORK8 | 3 |
| 13 | 4 PIN TERMINAL BLOCK 5.08 MM | CN1 | 4 PIN TERMINAL BLOCK 5.08 MM | 1 |
| 14 | BATTERY | J2 | LYNX_JUMPER4 | 1 |
| 15 | SERIAL | J3 | HEADER3X1 | 1 |
| 16 | 74LS138 | U5 | DIP16 | 1 |
| 17 | HEADER8 | J6,J5 | 1X08_PIN1_NO_SILK | 2 |
| 18 | 1N4148 | D1 | DO35-7 | 1 |
| 19 | RESET | J1 | JUMPER2 | 1 |
| 20 | 47uF | C1,C2 | CP_RADIAL_D8.0MM_P3.50MM | 2 |
| 21 | 74LS32 | U3 | DIP14 | 1 |
| 22 | 12MHz | X1 | OSCILLATOR_DIP-14 | 1 |
| 23 | 62256P | U9,U10 | DIP28-600 | 2 |
| 24 | 100n | C3,C4,C5,C6,C7,C8,C9,C10,C11,C12,C13,C14,C15 | CAP-9.5*11.5*5 | 13 |
| 25 | 74LS04 | U4 | DIP14 | 1 |
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