S u p p o r t e d f e a t u r e s

Supported features

Each serial channel supports these features: Independent programmable bit-rate generator UART and SPI modes

High speed data transfer

x1 mode: 4 Mbps

x16 mode: 230 Kbits/sec

32-byte TX FIFO

32-byte RX FIFO Programmable data format

5 to 8 data bits

Odd, even, or no parity

1,2 stop bits

Programmable channel modes

Normal

Local loopback

Remote loopback

Control signal support

RTS, CTS, DTR, DSR, DCD, RI

Maskable interrupt conditions

Receive break detection

Receive framing error

Receive parity error

Receive overrun error

Receive FIFO ready

Receive FIFO half-full

Transmit FIFO ready

Transmit FIFO half-empty

2 1 0

N S 7 5 2 0 H a r d w a r e R e f e r e n c e , R e v . D 0 3 / 2 0 0 6

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Digi NS7520 manual Supported features, Rts, Cts, Dtr, Dsr, Dcd, Ri