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TS-734 Details

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The TS-734 is a PC/104 daughter board that provides 8 RS-485 serial ports for the TS-7300 single board computer.

Bitstream contains 8 instances of TS-UART.

Base address on TS-7300 is 0x72000400.

There is one UART every 4 bytes of address space (e.g. UART #0 STAT reg is 0x72000400 and DAT reg is 0x72000402) At 0x72000420 there is a 16 bit register containing the 4 input pins in the 4 LSB bits. At 0x72000422 there is a R/O magic number 0x79e1 to identify TS734 FPGA option presence

Special core enabling the TS-736 24-port serial expansion board. There are either 8 ports with full flow control (DTR, DCD, RTS, CTS) or 24 RX/TX only serial ports. UARTS #8 through #15 steal the RTS/CTS of UARTS #0-#7, respectively. UARTS #16-#23 steal DTR/DCD.

Base address on TS-7300 is 0x72000400. There is one UART every 4 bytes of address space (e.g. UART #0 STAT reg is 0x72000400 and DAT reg is 0x72000402) At 0x72000460 there is a 16 bit register containing the DTR/DCD status: base + 0x60: UART DTR/DCD register bits 15-8: DCD input bits (R/O) bits 7-0: DTR output bits (R/W)

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