OX16PCI952-TQFP-A datasheet(8/76 Pages) OXFORD

Part #	OX16PCI952-TQFP-A

Description	Integrated High Performance Dual UARTs, Parallel Port and 5.0v PCI interface

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Manufacturer	OXFORD [Oxford Semiconductor]

Direct Link	http://www.oxsemi.com

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DataSheet Revision 1.1

Page 8

OX16PCI952

OXFORD SEMICONDUCTOR LTD.

4 PIN DESCRIPTION

Please refer to Section “Pin Information” for actual Signal Name to Pin Number assignments.

Pins

Dir1

Name

Description

PCI interface

2, 5, 6, 7, 8, 12, 13, 14, 15,

32, 33, 34, 35, 36, 39, 40, 41,

43, 44, 47, 48, 49, 50, 51, 52,

121, 122, 123, 124, 125, 126,

127

P_I/O

AD[31:0]

Multiplexed PCI Address/Data bus

3, 16, 31, 42

P_I

C/BE[3:0]#

PCI Command/Byte enable

117

P_I

PCI CLK

PCI system clock

17

P_I

FRAME#

Cycle Frame

24

P_O

DEVSEL#

Device Select

18

P_I

IRDY#

Initiator ready

23

P_O

TRDY#

Target ready

25

P_O

STOP#

Target Stop request

28

P_I/O

PAR

Parity

27

P_O

SERR#

System error

26

P_I/O

PERR#

Parity error

4

P_I

IDSEL

Initialization device select

115

P_I

RST#

PCI system reset

113

114

P_OD

INTA#,

INTB#

PCI interrupts

120

P_OD

PME#

Power management event

Serial port pins

88

I

FIFOSEL

FIFO select.

For backward compatibility with 16C550, 16C650 and

16C750 devices the FIFO depth of both UARTs is 16 when

FIFOSEL is low. The FIFO size of both UARTs is increased

to 128 when FIFOSEL is high.

The FIFO size of each UART may also be set to 128 by

setting the UARTs FCR[5] when LCR[7] is set, or by putting

the device into enhanced mode.

The unlatched state of this pin is readable by software.

111

101

111

101

O

EXT_DATA_OUT[0]

EXT_DATA_OUT[1]

IrDA_Out[0]

IrDA_Out[1]

Serial data output, Uart 0

Serial data output, Uart 1.

UART IrDA data outputs, for UART 0 and 1.

Serial data output pins redefined as IrDA data outputs when

MCR[6] of the corresponding UART channel is set in

enhanced mode

104

94

104

94

I

EXT_DATA_IN[0]

EXT_DATA_IN[1]

IrDA_In[0]

IrDA_In[1]

Serial data input, UART 0.

Serial data input, UART 1.

UART IrDA data inputs, for UART 0 and 1.

Serial data input pins redefined as IrDA data inputs when

MCR[6] of the corresponding UART channel is set in

enhanced mode

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