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| CH340 USB CH340 1D http://wch.cn 1 CH340 USB USB USB IrDA USB CH340 MODEM USB USB CH340DS2 CH340 USB SIR USB UART/RS232/IrDA SIR USB CH340 USB 2 USB USB V2.0 USB Windows 50bps2Mbps MODEM RTSDTRDCDRIDSRCTS RS232RS485RS422 IrDA SIR 2400bps 115200bps USB CH341 CH341 5V 3.3V SSOP-20 RoHS 3 www..com SSOP-20 SSOP-20 5.30mm 5.30mm 209mil 209mil 0.65mm 0.65mm 25mil 25mil 20 20 CH340T CH340R CH340 4 19 8 5 9 10 6 7 20 3 4 11 12 13 14 15 16 2 18 17 1 VCC GND V3 XI XO UD+ UDNOS# TXD RXD CTS# DSR# RI# DCD# DTR# RTS# ACT# R232 NC. IR# CKO NC. USB USB ( CH340R ) 0.1uF USB 3.3V VCC 5V 0.01uF USB D+ USB D- USB (CH340R ) MODEM () MODEM () MODEM () MODEM () MODEM () MODEM () USB RS232 CH340T CH340R SIR CH340T CH340R 5 CH340 USB UD+ UD- USB CH340 CH340 XI 12MHz CH340 XI XO 12MHz XI XO CH340 5V 3.3V 5V CH340 VCC 5V V3 4700pF 0.01uF 3.3V CH340 V3 VCC 3.3V CH340 3.3V CH340 USB NOS# USB CH340 MODEM TXD RXD RXD R232 www..com RS232 RXD CH340T TXD CH340R TXD MODEM CTS#DSR#RI#DCD#DTR#RTS# MODEM IR#R232 CKO ACT#IR# R232 RS232 R232 RXD ACT# USB CH340 USB IR# R232 CH340 1 567 8 1 2 /// CH340 5075100110134.51503006009001200 1800 2400 3600 4800 9600 14400 19200 28800 33600 38400 56000 57600 76800 115200 12800015360023040046080092160015000002000000 0.3 2 Windows CH340 CH340 USB RS232RS485RS422 CH340 USB SIR IrDA 6 6.1. TA TS VCC VIO VCC GND -40 -55 -0.5 -0.5 85 125 6.5 VCC+0.5 V V 6.2. TA=25VCC=5V USB 3.3V 40 VCC ICC ISLP VIL VIH VOL VOH IUP IDN VR www..com 5.3 3.8 30 0.2 0.08 0.7 VCC+0.5 0.5 V mA mA mA V V V V V3 VCC V3 VCC VCC=5V USB VCC=3.3V 4mA 3mA 100uA 4.5 3.3 5 3.3 12 0.15 0.05 -0.5 2.0 VCC-0.5 3 -50 2.3 150 -150 2.6 300 -300 2.9 uA uA V 6.3. TA=25VCC=5V FCLK TPR XI 11.98 12.00 20 12.02 50 MHz mS CH340 7 7.1. USB 9 CH340T USB RS232 CH340 MODEM U8 TTL RS232 P11 DB9 9 U8 MAX213/ADM213/SP213/MAX211 USB TTL U8 C46/C47/C48/C49/C40 RXDTXD P2 USB USB 5V +5V D+D-USB 500mA CH340 USB USB 5V USB CH340 USB 1 USB 5V USB 5V C8 4700pF 0.02F CH340 C9 0.1F X2 C6 C7 X2 12MHz C6 C7 22pF X2 C6 C7 47pF PCB C8 C9 CH340 D+ D- XI XO 7.2. USB RS232 USB 3 RS232 U5 MAX232/ICL232/SP232 www..com CH340 7.3. USB RS232 USB 3 RS232 7.2. RS232 CH340 R232 RS232 7.2. U5 7.4. USB USB IrDA CH340R U14ZHX1810/HSDL3000 USB R13 R14 U14 www..com |
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