What MAXIM chip is used on Spartan 3E 1600E Microblaze Board for RS232 communication?
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From: Alex on 2 Feb 2010 02:01 Hello All, I have started using Xilinx Spartan3E 1600E Microblaze Development Board and want to use its RS232 facility in my project. This board has two RS232 connectors but I cannot figure out what UART it uses. I was searching for UART chip on the board (I was actually searching for a MAXIM chip) and have seen none. The Xilinx board's manual (ug257) does not say what particular UART is present on the board and just mention some MAXIM chip but where it is on board? The manual (ug257) also specifies connection between particular FPGA and RS232 pins on this board: for DTE NET "RS232_DTE_RXD" LOC = "U8" | IOSTANDARD = LVTTL ; NET "RS232_DTE_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ; and for DCE NET "RS232_DCE_RXD" LOC = "R7" | IOSTANDARD = LVTTL ; NET "RS232_DCE_TXD" LOC = "M14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ; |