Lines Matching +full:differential +full:- +full:input

1 .\" Copyright (c) 2000-2002
58 .Tn PCL-724
60 Other 8255A-based peripherals such as the
66 The PPI provides two 8-bit ports (port A and port B) and
67 two 4-bit ports (port C upper, port C lower).
68 Each port can be individually programmed for input and
74 A separate register allows the configuration of ports for input
77 input data arrives at its terminals is impossible;
85 the corresponding hardware port for input or output.
86 At boot time all ports are set configured for input to avoid damaging
91 requests allow polled input and paced output to be
97 .Bl -tag -width ".No Differential"
106 .It Differential
127 .Bl -tag -width ".Dv PBIO_SETIPACE"
130 and sets the driver for differential input if the integer is non-zero.
131 The input pace speed determines the periodic interval the driver will use to
135 and sets the integer to the last set value for differential input.
138 and sets the driver's input pacing speed to the value of that integer.
141 and sets the integer to the last set value for the input pace.
150 .Bl -tag -width ".Pa /dev/pbio0ch" -compact
172 .%P "53-69"
183 .Tn PCL-724