PC87200VUL160A NSC [National Semiconductor], PC87200VUL160A Datasheet - Page 21
PC87200VUL160A
Manufacturer Part Number
PC87200VUL160A
Description
PC87200 PCI to ISA Bridge
Manufacturer
NSC [National Semiconductor]
Datasheet
1.PC87200VUL160A.pdf
(33 pages)
- Current page: 21 of 33
- Download datasheet (117Kb)
7.0 Register Descriptions
Index 53h-5Ah
Index 5Bh
Note: Positive decoding by the PC87200 speeds up the I/O cycle time.
Index 5Ch-FFh
Bit
7
6
5
4
3
2
1
0
Internal use, do not overwrite.
Reserved — Set to 0.
BIOS ROM Positive Decode — Selects positive or subtractive decoding for accesses to the configured ROM
space:
0 = Subtractive; 1 = Positive.
Internal use, do not overwrite.
Internal use, do not overwrite.
Internal use, do not overwrite.
Internal use, do not overwrite.
Internal use, do not overwrite.
Table 4. Bridge Configuration Registers (Continued)
(Continued)
Decode Control Register 2 (R/W)
Internal use, do not overwrite
Internal use, do not overwrite
21
Description
Reset Value = 00h
www.national.com
Related parts for PC87200VUL160A
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Thin SOT23 1A Load Step-Down DC-DC Regulator
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
TRI-STATE Dual Receiver
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Hex MOS Drivers
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Printer Solenoid Driver
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Quad High Current Peripheral Driver
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
(RS-422/RS-423) Line Drivers with TRI-STATE Outputs
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Multipoint RS485/RS422 Transceivers/Repeaters
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Low Power EIA-RS-485 Transceiver with Sleep Mode
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
BTL Handshake Transceiver
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Octal 80-Bit Static Shift Register
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
PUSH BUTTON PULSE DIALER CIRCUITS
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Hex Schmitt Trigger with Extended Input Voltage
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Microprocessor Real Time Clock
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Dual Line Receivers
Manufacturer:
NSC [National Semiconductor]
Datasheet:
Part Number:
Description:
Dual TRI-STATE Differential Line Driver
Manufacturer:
NSC [National Semiconductor]
Datasheet: