OX16PCI952
OXFORD SEMICONDUCTOR LTD.
Pins
Multi-purpose & External interrupt pins
Dir1
Name
Description
59
I/O
MIO 0
Multi-purpose I/O 0. Can be driven high or low, or be used to
assert PCI interrupts or power management events (PME).
60
I/O
MIO 1
Multi-purpose I/O 1. Can be driven high or low, or be used to
assert PCI interrupts or power management events (PME).
Microwire EEPROM pins
65
64
62
O
O
IU
EE_CK
EE_CS
EE_DI
EEPROM clock signal
EEPROM active-high Chip Select Signal
EEPROM data in
(To be connected to the external EEPROM’s DO pin).
When the optional serial EEPROM is connected, this pin
should be pulled up using an external 1-10k resistor. When
the external EEPROM is not required, this external pull-up is
not necessary as the internal pull-up is sufficient.
EEPROM data out.
63
O
EE_DO
(To be connected to the external EEPROM’s DI pin)
Miscellaneous pins
55
ID
I
TEST
TESTPIN.
This must be connected to GND.
MODE selector.
56
MODE 0
MODE0 = 0. Device operates as a dual function device,
where function 0 is the Dual UARTs and Function 1 is the
parallel port.
MODE0 = 1. Device operates only as a single function
device, where function 0 is the Dual UARTs. Function 1
does not exist, so the parallel port is not visible2 to PCI
accesses.
Power and ground3
1, 10, 21, 30, 38, 46, 58, 77, 89,
103, 118
9, 11, 19, 20, 22, 29, 37, 45, 53,
54, 57, 61, 67, 76, 82, 92, 93, 102,
112, 116, 119, 128
V
VDD
GND
Device Power
Device Gnd.
G
Table 2: Pin Descriptions
DS-0028 Jul 05
External-Free Release
Page 12
OXFORD [ OXFORD SEMICONDUCTOR ]
