PI7C8150ND Pericom Semiconductor, PI7C8150ND Datasheet - Page 83

• Manufacturer Part Number: PI7C8150ND
• Manufacturer: Pericom Semiconductor

Specifications of PI7C8150ND

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 85C
• Package Type: BGA
• Rad Hardened: No
• Case: BGA
• Dc: 04+
• Lead Free Status / Rohs Status: Not Compliant

14.1.30
14.1.31
ARBITER CONTROL REGISTER – OFFSET 40h
EXTENDED CHIP CONTROL REGISTER – OFFSET 48h
10:9
15:11
Bit
24:16
25
31:26
Bit
0
1
15:2
Test Mode For
All Counters at P
and S1
Reserved
Function
Arbiter Control
Priority of
Secondary
Interface
Reserved
Function
Memory Read
Flow Through
Disable
Park
Reserved
R/O
R/O
Type
R/W
R/W
R/O
Type
R/W
R/W
R/O
Controls the testability of the bridge’s internal counters.
The bits are used for chip test only.
00: all bits are exercised
01: byte 1 is exercised
10: byte 2 is exercised
11: byte 3 is exercised
Reset to 0
Reserved. Returns 0 when read. Reset to 0.
Description
Each bit controls whether a secondary bus master is assigned to the
high priority group or the low priority group.
Bits [24:16] correspond to request inputs S_REQ_L[8:0]
respectively.
Bit 24 corresponds to S_REQ_L[8]
Bit 16 corresponds to S_REQ_L[0]
0: low priority
1: high priority
Reset to 0
Controls whether the secondary interface of the bridge is in the high
priority group or the low priority group.
0: low priority
1: high priority
Reset to 1
Reserved. Returns 0 when read. Reset to 0.
Description
Controls ability to do memory read flow through
0: Enable flow through during a memory read transaction
1: Disables flow through during a memory read transaction
Reset to 0
Controls bus arbiter’s park function
0: Park to last master
1: Park to bridge
Reset to 0
Reserved. Returns 0 when read. Reset to 0
73
March 19, 2003 – Revision 1.04
2-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
PI7C8150