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STD CH376-DUAL-USB-ISA-V3
CH376-DUAL-USB-ISA-V3
License
Public Domain
License: Public DomainMode:
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Update time：
2023-01-11 22:46:36
Creation time：
2023-01-03 22:38:25
Description
Description
CAUTION! UNTESTED – WORK IN PROGRESS – UNDER CONSTRUCTION
ATF22v10 used as a memory address & I/O port decode
Supports 28 or 32 Pin devices for ROM
CH376 Modules Both layouts that I have found so far.
Mobules plug into the bottom of the board...
Jumper Selectable
USB1
@00E0 Data & @00E4 Command
or
@02C0 Data & @02C4 Command
USB2
@00E1 Data & @00E5 Command
or
@02C1 Data & @02C5 Command
ROM
Jumper Selectable
32K @C80000-CFFFF
or
32K @D80000-DFFFF
Jumper Selectable
28Pin - 28c256 / 28c512
or
32Pin - 39f010 / 39f030 / 39f040
Design Drawing
Design Drawing
schematic diagram
（
1
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）
PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100nF | C1,C2,C3,C4 | CAP-TH_L5.0-W2.5-P5.08-D0.7 | 4 |
| 2 | ISA 8-BIT EDGE CARD | E1 | ISA_BUS | 1 |
| 3 | ROM / USB | H1 | HDR-TH_6P-P2.54-V-R2-C3-S2.54_A2541WV-2X3P | 1 |
| 4 | FLASH | J1 | 2X6 | 1 |
| 5 | ACT | J3 | HDR-TH_2P-P2.54-V | 1 |
| 6 | 10K | R1,R2,R3 | RES-TH_BD2.2-L6.5-P10.50-D0.9 | 3 |
| 7 | 1K | R4,R21,R31 | RES-TH_BD2.2-L6.5-P10.50-D0.9 | 3 |
| 8 | SST39F010 | U1 | DIP-32__600 | 1 |
| 9 | ATF22V10 | U2 | DIP-24__300 | 1 |
| 10 | SN74HCT245N | U3 | DIP-20__300 | 1 |
| 11 | SN74HCT00N | U4 | DIP14 | 1 |
| 12 | 2X5 | U5 | HDR-TH_10P-P2.54-V-R2-C5-S2.54_MTP125-1205S1 | 1 |
| 13 | 0.47uF | C21,C31 | RAD-0.1 | 2 |
| 14 | 10nF | C22,C32 | RAD-0.1 | 2 |
| 15 | 10uF | C23 | CAP-ELEC-RAD-2.54MM | 1 |
| 16 | 22pF | C24,C25,C34,C35 | RAD-0.1 | 4 |
| 17 | 100nF | C26,C27,C37 | RAD-0.1 | 3 |
| 18 | 3mm LED | LED21,LED31 | LED-TH_BD3.8-P2.54-FD | 2 |
| 19 | USB_A #1 | P21 | USBA | 1 |
| 20 | USB_A #2 | P22 | USBA | 1 |
| 21 | CH376S | U21,U31 | SOIC-28_L17.9-W7.5-P1.27-LS10.3-BL | 2 |
| 22 | LM1117-3.3 | U22 | TO-220-3_HORIZONTAL_TABDOWN | 1 |
| 23 | 3x8pin | USB1,USB2 | N3X8PIN | 2 |
| 24 | HC-49US-12MHz | Y21,Y31 | HC49US | 2 |
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