ADLINK ND-6067 - Manual (Page 100)

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5.6 Overview of NuDAM-6058
What is NuDAM-6058 ?
NuDAM-6058 provides 28 digital I/O channels. It emulates industry
standard mode zero configuration of 8255 programmable peripheral
interface (PPI) chip. The PPI offers 3 ports A, B and C, the C port can also be
subdivided into 2 nibble-wide (4-bit) port – C upper and C lower. A 50 pin
SCSI connector equipped with ND-6058 which is corresponding to PPI chip
with 24 DIO points.
5.6.1 Features of NuDAM-6058
z Industry standard 8255 programmable peripheral interface mode 0
emulation
z 24 Programmable I/O channels
z 4 dedicated input channels
z Completely TTL compatible I/O lines
z Status read-back capability
z Direct bit set/reset capability
z Buffered circuits for higher driving capability
z Direct interface with OPTO-22 compatible I/O module
z Programmable host watchdog timer for host failure protection
z Internal watchdog timer for device failure protection
z On board resetable fuse to protect power supply form external devices
z Easy programming by software
z Easy installation and wiring