![](http://datasheet.mmic.net.cn/Pericom/PI7C8154BNAIE_datasheet_99378/PI7C8154BNAIE_8.png)
PI7C8154B
ASYNCHRONOUS 2-PORT
PCI-to-PCI BRIDGE
Advance Information
Page 8 of 112
JUNE 2008 REVISION 1.1
14.1.26
CAPABILITY POINTER REGISTER – OFFSET 34h ...............................................................84
14.1.27
INTERRUPT LINE REGISTER – OFFSET 3Ch .......................................................................84
14.1.28
INTERRUPT PIN REGISTER – OFFSET 3Ch .........................................................................84
14.1.29
BRIDGE CONTROL REGISTER – OFFSET 3Ch ....................................................................84
14.1.30
DIAGNOSTIC / CHIP CONTROL REGISTER – OFFSET 40h................................................86
14.1.31
ARBITER CONTROL REGISTER – OFFSET 40h....................................................................86
14.1.32
EXTENDED CHIP CONTROL REGISTER – OFFSET 48h.....................................................87
14.1.33
UPSTREAM MEMORY CONTROL REGISTER – OFFSET 48h..............................................88
14.1.34
SECONDARY BUS ARBITER PREEMPTION CONTROL REGISTER – OFFSET 4Ch..........88
14.1.35
HOT SWAP SWITCH TIME SLOT REGISTER – OFFSET 4Ch...............................................88
14.1.36
EEPROM AUTOLOAD CONTROL / STATUS REGISTER – OFFSET 50h .............................89
14.1.37
EEPROM ADDRESS / CONTROL REGISTER – OFFSET 54h ...............................................89
14.1.38
EEPROM DATA REGISTER – OFFSET 54h ...........................................................................89
14.1.39
UPSTREAM (S TO P) MEMORY BASE ADDRESS REGISTER – OFFSET 58h .....................90
14.1.40
UPSTREAM (S TO P) MEMORY LIMIT ADDRESS REGISTER – OFFSET 58h ....................90
14.1.41
UPSTREAM (S TO P) MEMORY BASE ADDRESS UPPER 32-BIT REGISTER – OFFSET
5Ch
...................................................................................................................................................90
14.1.42
UPSTREAM (S TO P) MEMORY LIMIT ADDRESS UPPER 32-BIT REGISTER – OFFSET
60h
...................................................................................................................................................90
14.1.43
P_SERR# EVENT DISABLE REGISTER – OFFSET 64h.........................................................90
14.1.44
GPIO DATA AND CONTROL REGISTER – OFFSET 64h ......................................................92
14.1.45
SECONDARY CLOCK CONTROL REGISTER – OFFSET 68h...............................................92
14.1.46
P_SERR# STATUS REGISTER – OFFSET 68h ........................................................................94
14.1.47
PORT OPTION REGISTER – OFFSET 74h .............................................................................94
14.1.48
SECONDARY MASTER TIMEOUT COUNTER REGISTER – OFFSET 80h...........................96
14.1.49
PRIMARY MASTER TIMEOUT COUNTER REGISTER – OFFSET 80h.................................96
14.1.50
CAPABILITY ID REGISTER – OFFSET B0h ...........................................................................96
14.1.51
NEXT POINTER REGISTER – OFFSET B0h...........................................................................96
14.1.52
SLOT NUMBER REGISTER – OFFSET B0h ...........................................................................96
14.1.53
CHASSIS NUMBER REGISTER – OFFSET B0h .....................................................................97
14.1.54
CAPABILITY ID REGISTER – OFFSET DCh..........................................................................97
14.1.55
NEXT ITEM POINTER REGISTER – OFFSET DCh ...............................................................97
14.1.56
POWER MANAGEMENT CAPABILITIES REGISTER – OFFSET DCh .................................97
14.1.57
POWER MANAGEMENT DATA REGISTER – OFFSET E0h..................................................97
14.1.58
PPB SUPPORT EXTENSIONS REGISTER – OFFSET E0h ....................................................98
14.1.59
DATA REGISTER – OFFSET E0h............................................................................................98
14.1.60
CAPABILITY ID REGISTER – OFFSET E4h ...........................................................................98
14.1.61
NEXT POINTER REGISTER – OFFSET E4h...........................................................................98
14.1.62
HOT SWAP CONTROL AND STATUS REGISTER – OFFSET E4h ........................................98
14.1.63
CAPABILITY ID REGISTER – OFFSET E8h ...........................................................................99
14.1.64
NEXT POINTER REGISTER – OFFSET E8h...........................................................................99
14.1.65
VPD REGISTER – OFFSET E8h ..............................................................................................99
14.1.66
VPD DATA REGISTER – OFFSET ECh ..................................................................................99
15
BRIDGE BEHAVIOR .............................................................................................................................100
15.1
BRIDGE ACTIONS FOR VARIOUS CYCLE TYPES...................................................................100
15.2
ABNORMAL TERMINATION (INITIATED BY BRIDGE MASTER) ........................................100
15.2.1
MASTER ABORT ....................................................................................................................100
15.2.2
PARITY AND ERROR REPORTING ......................................................................................100
15.2.3
REPORTING PARITY ERRORS .............................................................................................101
15.2.4
SECONDARY IDSEL MAPPING............................................................................................101
16
IEEE 1149.1 COMPATIBLE JTAG CONTROLLER .........................................................................101
16.1
BOUNDARY SCAN ARCHITECTURE .........................................................................................101