... TTL, USB RS232 converting cableCP2102 chip + MAX3232Openable shell convenient for developing and improvement1.8m from stock. 0.15-5m ... controller, USB transceiver, oscillator, EEPROM, and asynchronous serial data bus(UART) with full modem control signals in a compact 5 ... power descriptor, device release number and device serial number as desired for OEM applications. The EEPROM is programmed on-board ...