PC87200160A National Semiconductor, PC87200160A Datasheet - Page 22

• Manufacturer Part Number: PC87200160A
• Description: PC87200 PCI to ISA Bridge
• Manufacturer: National Semiconductor

8.0 Electrical Characteristics
8.1 Electrical Specifications
This section provides information on testing modes, electrical connections, absolute maximum ratings, recommended
operating conditions, and DC/AC characteristics. All voltage values in Electrical Specifications are with respect to V
unless otherwise noted.
For detailed information on the PCI bus electrical specification refer to Chapter 4 of the PCI Bus Specification,
Revision 2.1.
8.2 PC87200 Test Modes
The PC87200 can be forced into different test modes. The following table summarizes the test mode selection process.
Reserved
NAND tree test
Reserved
Reserved
Reserved
Reserved
SCAN_MODE = 1, SCAN_ENABLE = 0,
SCAN_MODE = 1, SCAN_ENABLE = 1,
X-BUS_DISABLE = 1
Note: x = Don’t Care
Mode
Table 5. Test mode selection
PCIRST#
x
x
x
x
x
x
x
x
22
BALE during reset
0
0
0
0
0
0
0
0
Signal Name
IRQ3 IRQ4 IRQ5 IRQ6 IRQ7
0
1
1
1
0
1
1
x
1
0
1
1
0
0
0
x
0
0
0
1
0
0
1
x
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0
0
0
0
1
1
1
x
1
0
1
1
1
1
1
1
SS