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PC87338 Datenblatt(PDF) 41 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer PC87338
Bauteilbeschribung  ACPI 1.0 and PC98/99 Compliant SuperI/O
PDF  221 Pages
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87338 Datenblatt(HTML) 41 Page - National Semiconductor (TI)

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2.3.1
Configuration Register Bitmaps
7
6
5
432
10
Register (FER)
Reset
Required
Function Enable
Index 00h
0
0
0
0
0
0
x
x
Parallel Port Enable
SCC1 Enable
SCC2 Enable
FDC Enable
FDC Four-Drive Encoding
Select FDC Secondary Address
Reserved
Reserved
7
6
5
432
10
Register (FAR)
Reset
Required
Function Address
Index 01h
0
x
0
0
0
x
0
0
Parallel Port Address
SCC1 Address
SCC2 Address
Select COM3 or COM4
7
6
5
432
10
Register (PTR)
Reset
Required
Power and Test
Index 02h
0
0
0
0
1
0
0
0
Power Down
Reserved
Reserved
Select IRQ5 or IRQ7
SCC1 Test Mode
Reserved
Lock Configuration
Select Extended or Compatible Parallel Port
7
6
5
432
10
Register (FCR)
Reset
Required
Function Control
Index 03h
1
0
0
0
0
0
0
0
0
0
TDR Mode Select
Select ZWS or CS1
Parallel Port Float Control
Clock Multiplier Test Bit
Zero Wait State Enable
Reserved
Select MSEN0 or DRATE0
Reserved
EPP Enable
EPP Version Select
ECP Enable
ECP Clock Freeze
Reserved
Parallel Port Open-Drain Control
Parallel Port Interrupt I/O Control
7
654
32
10
Register (PCR)
Reset
Required
Parallel Port Control
Index 04h
0
0
0
0
0
0
0
0
0
Reserved
7
654
32
10
(PMC)
Reset
Required
Power Management
Index 06h
0
0
0
0
0
0
0
0
7
654
32
10
(TUP)
Reset
Required
Tape, SCCs and Parallel Port
Index 07h
0
0
0
0
0
0
7
654
32
10
Register (SID)
Reset
Required
Index 08h
x
x
x
0
1
1
0
1
x
x
x
0
1
1
0
1
Control Register
Reserved
FDC TRI-STATE Control
SCC1 TRI-STATE Control
Reserved
PD and IDLE or IRSL2/ID2 Enable
Selective Lock
PPM TRI-STATE Enable
Reserved
Configuration Register
Reserved
FDC 2 Mbps Enable
EPP Time-Out Interrupt Enable
Reserved(PC97338) / MIDI(PC87338)
Reserved
IDLE Status
PD Status
IDLE Pin Mask
D0
D1
D2
D3
D4
D5
D6
D7
SuperI/O Chip
Identification



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