OXFORD SEMICONDUCTOR LTD.
OX16PCI952
C
ONTENTS
1
1.1
PERFORMANCE COMPARISON.......................................................................................................... 5
IMPROVEMENTS OF THE OX16PCI952 OVER DISCRETE SOLUTIONS:...................................................................... 5
2
3
4
5
6
6.1
6.2
6.3
6.4
6.5
6.6
BLOCK DIAGRAM ................................................................................................................................ 7
PIN INFORMATION ............................................................................................................................... 8
PIN DESCRIPTION................................................................................................................................ 9
CONFIGURATION & OPERATION ..................................................................................................... 14
PCI TARGET CONTROLLER.............................................................................................................. 15
OPERATION ..................................................................................................................................................................... 15
CONFIGURATION SPACE ............................................................................................................................................... 16
ACCESSING FUNCTION 0 AND FUNCTION 1 ............................................................................................................... 18
ACCESSING THE LOCAL CONFIGURATION REGISTERS........................................................................................... 20
PCI INTERRUPTS............................................................................................................................................................. 25
POWER MANAGEMENT .................................................................................................................................................. 26
OPERATION – MODE SELECTION ................................................................................................................................. 29
REGISTER DESCRIPTION TABLES ............................................................................................................................... 31
RESET CONFIGURATION ............................................................................................................................................... 35
TRANSMITTER AND RECEIVER FIFOS ......................................................................................................................... 36
LINE CONTROL & STATUS............................................................................................................................................. 37
INTERRUPTS & SLEEP MODE........................................................................................................................................ 39
MODEM INTERFACE ....................................................................................................................................................... 41
OTHER STANDARD REGISTERS ................................................................................................................................... 42
AUTOMATIC FLOW CONTROL....................................................................................................................................... 43
BAUD RATE GENERATION............................................................................................................................................. 45
ADDITIONAL FEATURES ................................................................................................................................................ 47
OPERATION AND MODE SELECTION ........................................................................................................................... 53
PARALLEL PORT INTERRUPT ....................................................................................................................................... 54
REGISTER DESCRIPTION............................................................................................................................................... 55
EEPROM DATA ORGANISATION ................................................................................................................................... 58
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
INTERNAL OX16C950 UART.............................................................................................................. 29
8
8.1
8.2
8.3
BI-DIRECTIONAL PARALLEL PORT ................................................................................................. 53
9
9.1
SERIAL EEPROM SPECIFICATION ................................................................................................... 58
OPERATING CONDITIONS ............................................................................................................. 62
DC ELECTRICAL CHARACTERISTICS.......................................................................................... 63
5V STANDARD (NON-PCI) I/O BUFFERS...................................................................................................................... 63
PCI I/O BUFFERS ............................................................................................................................................................. 63
10
11
11.1
11.2
12
12.1
12.2
AC ELECTRICAL CHARACTERISTICS.......................................................................................... 64
PCI I/O BUFFERS ............................................................................................................................................................ 64
SERIAL PORTS ................................................................................................................................................................ 64
13
14
15
16
TIMING WAVEFORMS..................................................................................................................... 65
PACKAGE INFORMATION.............................................................................................................. 75
ORDERING INFORMATION ............................................................................................................ 76
CONTACT DETAILS........................................................................................................................ 77
External-Free Release
Page
3
DS-0028 Jul 05
OXFORD [ OXFORD SEMICONDUCTOR ]
