October 29, 2003 SAB 4 sparc64

### NAME

sab, sabtty - Infineon 82532 Enhanced Serial Communication Controller (ESCC2)

### SYNOPSIS

sab* at ebus? sabtty* at sab? channel ?

### DESCRIPTION

The sab driver provides TTY support for the Infineon (previously Siemens) 82532 serial communications interface found in Sun Ultra 5/10 workstations.

Input and output speeds for each line may be set to any baud rate in the following list: 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200, 153600, 230400, 307200, 460800, 614400, 921600.

### FILES

```/dev/ttyh[01]`
  serial ports

### DIAGNOSTICS

sab*: ring overflow
  The software input "ring has overflowed. This usually means input flow-control is not configured correctly (i.e. incorrect cable wiring).

### SEE ALSO

tty(4), zstty(4)

### HISTORY

The sabtty driver first appeared in OpenBSD3.1 and was then ported to NetBSD2.0.

### AUTHORS

Jason L. Wright