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CH341A 数据表(PDF) 2 Page - List of Unclassifed Manufacturers |
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CH341A 数据表(HTML) 2 Page - List of Unclassifed Manufacturers |
2 / 14 page The DataSheet of CH341 (the first) 2 2.2. UART ● Simulate standard serial used to upgrade serial peripheral equipment or increase extra serial via USB. ● Totally compatible with serial application program of computer Windows operation system. ● Hardware full-duplex serial, on-chip transform and receive buffer, supports 50bps~2Mbps communication baud rate. ● Supporting five, six, seven or eight data bits, supporting odd, even, blank, token and no check. ● Supporting serial transfer and receive enable and serial receive ready etc transfer speed control signal and MODEM liaison signal. ● Providing RS232, RS485 and RS422 interface through adding level switch equipment external. ● Supporting indirectly access to outside serial EEPROM memory through standard serial communication. 2.3. Printer port ● Standard USB printer port used to upgrade parallel printer, conforms to relevant USB specification. ● Compatible with Windows operation system, totally compatible with application program under Windows 2000 and XP without drive program. ● Supports various standard parallel printers, low-speed and high-speed print mode are optional. ● Supports bi-directional communication of IEEE-1284 specification, supports single directional and bi-directional transfer printer. 2.4. Parallel ● Providing two interface mode: EPP and MEM. ● EPP mode supplies AS#, DS# and WR# etc signal, similar with EPP V1.7 or EPP V1.9. ● MEM mode supplies A0, RD# and WR# etc signal, similar with memory read/write mode. 2.5. Synchronous serial ● Adopts FlexWireTM technology, realize various 2-wire to 5-wire synchronous serial via software. ● As Host/Master endpoint, supports 2-wire and 4-wire etc common synchronous serial. ● 2-wire interface supplies SCL and SDA signal wire, supports four kinds of transfer speed. 3. Package |
类似零件编号 - CH341A |
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类似说明 - CH341A |
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