ox16pci954 ETC-unknow, ox16pci954 Datasheet - Page 8
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ox16pci954
Manufacturer Part Number
ox16pci954
Description
Integrated Quad Uart Interface
Manufacturer
ETC-unknow
Datasheet
1.OX16PCI954.pdf
(72 pages)
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4
PCI interface
Serial port pins
1, 2, 14, 15, 16, 19, 20, 23, 24, 26,
139, 140, 141, 143, 144, 145, 148,
149, 152, 154, 155, 156, 159, 160,
Data Sheet Revision 1.3
00
OXFORD SEMICONDUCTOR LTD.
28, 29, 32, 33, 34, 36, 37, 38
P
80, 79, 55, 54
87, 69, 68, 47
85, 74, 66, 49
82, 77, 59, 52
IN
150, 3, 13, 27
D
01
46
ESCRIPTIONS
132,133
Mode
136
151
134
138
12
11
10
4
7
5
6
9
10
N/A
N/A
N/A
N/A
N/A
11
Dir
P_I/O
P_I
P_I
P_I
P_O
P_I
P_O
P_O
P_I/O
P_O
P_I/O
P_I
P_I
P_OD
P_OD
O
O
O
O
I
I
I
I
1
Name
AD[31:0]
C/BE[3:0]#
CLK
FRAME#
DEVSEL#
IRDY#
TRDY#
STOP#
PAR
SERR#
PERR#
IDSEL
RST#
INTA#, INTB#
PME#
FIFOSEL
SOUT[3:0]
IrDA_Out[3:0]
SIN[3:0]
IrDA_In[3:0]
DCD[3:0]#
DTR[3:0]#
485_En[3:0]
Tx_Clk_Out[3:0]
Description
Multiplexed PCI Address/Data bus
PCI Command/Byte enable
PCI system clock
Cycle Frame
Device Select
Initiator ready
Target ready
Target Stop request
Parity
System error
Parity error
Initialization device select
PCI system reset
PCI interrupts
Power management event
FIFO select. For backward compatibility with 16C550,
16C650 and 16C750 devices the UARTs’ FIFO depth is 16
when FIFOSEL is low. The FIFO size is increased to 128
when FIFOSEL is high. The unlatched state of this pin is
readable by software. The FIFO size may also be set to 128
by setting FCR[5] when LCR[7] is set, or by putting the
device into enhanced mode.
UART serial data outputs
UART IrDA data output when MCR[6] of the corresponding
channel is set in enhanced mode
UART serial data inputs
UART IrDA data input when IrDA mode is enabled (see
above)
Active-low modem data-carrier-detect input
Active-low modem data-terminal-ready output. If automated
DTR# flow control is enabled, the DTR# pin is asserted and
deasserted if the receiver FIFO reaches or falls below the
programmed thresholds, respectively.
In RS485 half-duplex mode, the DTR# pin may be
programmed to reflect the state of the the transmitter empty
bit to automatically control the direction of the RS485
transceiver buffer (see register ACR[4:3])
Transmitter 1x clock (baud rate generator output). For
isochronous applications, the 1x (or Nx) transmitter clock
may be asserted on the DTR# pins (see register CKS[5:4])
OX16PCI954
Page 8