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CH340T
USB serial converter, UART, SSOP-20
Schematic Symbol
Pin Configuration (20 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | CKOH | output |
| 2 | CKOL | output |
| 3 | TXD | output |
| 4 | RXD | input |
| 5 | V3 | power_out |
| 6 | UD+ | bidirectional |
| 7 | UD- | bidirectional |
| 8 | GND | power_in |
| 9 | XI | input |
| 10 | XO | output |
| 11 | ~{CTS} | input |
| 12 | ~{DSR} | input |
| 13 | ~{RI} | input |
| 14 | ~{DCD} | input |
| 15 | ~{DTR} | output |
| 16 | ~{RTS} | output |
| 17 | NC | no_connect |
| 18 | R232 | input |
| 19 | VCC | power_in |
| 20 | ~{NOS} | input |
Footprint
ConfirmedPackage_SO/SSOP-20_5.3x7.2mm_P0.65mm
Pad Layout
Pads (20)
| Number | Type |
|---|---|
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |