XR17C154
xr
5V PCI BUS QUAD UART
REV. 1.3.2
4
CTS1#
100
I
UART channel 1 Clear to Send or general purpose input (active low).
DTR1#
105
O
UART channel 1 Data Terminal Ready or general purpose output (active low).
DSR1#
101
I
UART channel 1 Data Set Ready or general purpose input (active low).
CD1#
102
I
UART channel 1 Carrier Detect or general purpose input (active low).
RI1#
103
I
UART channel 1 Ring Indicator or general purpose input (active low).
TX2
88
O
UART channel 2 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX2
81
I
UART channel 2 Receive Data or infrared receive data. Normal RXD input
idles HIGH. The infrared pulses typically idle LOW but can be inverted inter-
nally prior the decoder by FCTR[4].
RTS2#
86
O
UART channel 2 Request to Send or general purpose output (active low).
CTS2#
82
I
UART channel 2 Clear to Send or general purpose input (active low).
DTR2#
87
O
UART channel 2 Data Terminal Ready or general purpose output (active low).
DSR2#
83
I
UART channel 2 Data Set Ready or general purpose input (active low).
CD2#
84
I
UART channel 2 Carrier Detect or general purpose input (active low).
RI2#
85
I
UART channel 2 Ring Indicator or general purpose input (active low).
TX3
62
O
UART channel 3 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX3
55
I
UART channel 3 Receive Data or infrared receive data. Normal RXD input
idles HIGH. The infrared pulses typically idle LOW but can be inverted inter-
nally prior the decoder by FCTR[4].
RTS3#
60
O
UART channel 3 Request to Send or general purpose output (active low).
CTS3#
56
I
UART channel 3 Clear to Send or general purpose input (active low).
DTR3#
61
O
UART channel 3 Data Terminal Ready or general purpose output (active low).
DSR3#
57
I
UART channel 3 Data Set Ready or general purpose input (active low).
CD3#
58
I
UART channel 3 Carrier Detect or general purpose input (active low).
RI3#
59
I
UART channel 3 Ring Indicator or general purpose input (active low).
ANCILLARY SIGNALS
MPIO0
108
I/O
Multi-purpose input/output 0. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT
MPIO1
107
I/O
Multi-purpose input/output 1. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
MPIO2
74
I/O
Multi-purpose input/output 2. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
MPIO3
73
I/O
Multi-purpose input/output 3. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
MPIO4
68
I/O
Multi-purpose input/output 4. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
MPIO5
67
I/O
Multi-purpose input/output 5. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
MPIO6
66
I/O
Multi-purpose input/output 6. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
MPIO7
65
I/O
Multi-purpose input/output 7. The function of this pin is defined thru the Con-
figuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and MPIOINT.
Pin Description
NAME
PIN #TYPE
DESCRIPTION