name: CH340 # not all variations are defined here variations: E, G, K description: transceiver, USB to serial datasheet: http://www.wch-ic.com/downloads/file/79.html distributors: LCSC C99652 (E), C14267 (G) pinout@E: USB: UD+: 1 UD-: 2 TNOW: 6 CTRL: RTS: 4 CTS: 5 UART: TXD: 8 RXD: 9 POWER: VCC: 7 V3: 10 GND: 3 pinout@G: USB: UD+: 5 UD-: 6 XTAL: XI: 7 XO: 8 R232: 15 CTRL: RTS: 14 CTS: 9 DSR: 10 RI: 11 DCD: 12 DTR: 13 UART: TXD: 2 RXD: 3 POWER: VCC: 16 V3: 4 GND: 1 pinout@K: USB: UD+: 1 UD-: 2 CTRL: RTS: 6 CTS: 5 DTR: 4 UART: TXD: 8 RXD: 9 POWER: VCC: 7 V3: 10 GND: 3, 11 properties: bidir: USB in: RXD, CTS, XI, DSR, RI, DCD, R232 out: TXD, RTS, TNOW, XO, DTR power: POWER passive: XTAL ground: GND inverted: DTR, CTS, RTS, DCD, RI, DSR schematic: symbol: ic left: USB, TNOW, XTRAL, R232 right: UART, CTRL top: POWER bottom: GND housing@E: # MSOP-10, dimensions from diodes MSOP-10 datasheet suffix: E pattern: SOP bodyWidth: 3.0 # E1 bodyLength: 3.0 # D height: 1.1 # A leadSpan: 4.9 # E leadWidth: 0.2 # b leadLength: 0.6 # L leadCount: 10 pitch: 0.5 # e housing@G: # SOP-16 suffix: G pattern: SOP bodyWidth: 3.9 # body size bodyLength: 9.9 height: 1.55 leadSpan: 6.0 leadWidth: 0.38 leadLength: 0.41-1.27 leadCount: 16 pitch: 1.27 # lead pitch housing@K: # ESSOP-10, dimensions not in datasheet suffix: K pattern: SOP bodyWidth: 3.9 # body size bodyLength: 4.9 height: 1.4 leadSpan: 6.15 leadWidth: 0.4 leadLength: 0.6 leadCount: 10 pitch: 1.0 # e tabWidth: 2.4 tabLength: 2.8