PC87393VJG National Semiconductor, PC87393VJG Datasheet - Page 90

• Manufacturer Part Number: PC87393VJG
• Description: IC, SUPER I/O DEVICE, TQFP-100
• Manufacturer: National Semiconductor

Specifications of PC87393VJG

• Data Rate: 2Mbps
• Supply Voltage Range: 3V to 3.6V
• Logic Case Style: TQFP
• No. Of Pins: 100
• Operating Temperature Range: 0°C to +70°C
• Termination Type: SMD
• Transceiver Type: Interface
• Rohs Compliant: No

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5.0 Game Port (GMP)
5.3.4
This register indicates which of the corresponding game device interface events have occurred. Writing 1 to a bit clears it.
Reading a position counter clears the corresponding Counter Ready bit. Writing to a bit 0 has no effect.
This register is functional only in Enhanced mode.
Location:
Type:
Bit
Name
Reset
Bit
7
6
5
4
3
2
1
0
Game Port Extended Status Register (GMPXST)
Device B Button 1 Event Status. When set to 1, it indicates that a Device B Button 1 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 5.3.14.
0: Event not active (default)
1: Event active
Device B Button 0 Event Status. When set to 1, it indicates that a Device B Button 0 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 5.3.14.
0: Event not active (default)
1: Event active
Device A Button 1 Event Status. When set to 1, it indicates that a Device A Button 1 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 5.3.14.
0: Event not active (default)
1: Event active
Device A Button 0 Event Status. When set to 1, it indicates that a Device A Button 0 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 5.3.14.
0: Event not active (default)
1: Event active
Device B Y-Position Counter Ready. When set to 1, it indicates that the value of the Y-position counter of
Device B can now be read.
0: Event not active (default)
1: Event active
Device B X-Position Counter Ready. When set to 1, it indicates that value of the X-position counter of Device
B can now be read.
0: Event not active (default)
1: Event active
Device A X-Position Counter Ready. When set to 1, it indicates that the value of the Y-position counter of
Device A can now be read.
0: Event not active (default)
1: Event active
Device A X-Position Counter Ready. When set to 1, it indicates that the value of the X-position counter of
Device A can now be read.
0: Event not active (default)
1: Event active
Offset 02h
R/W1C
Device B
Button 1
Status
Event
7
0
Device B
Button 0
Status
(Continued)
Event
6
0
Device A
Button 1
Status
Event
5
0
Device A
Button 0
Status
Event
Description
90
4
0
Y-Position
Device B
Counter
Ready
3
0
X-Position
Device B
Counter
Ready
2
0
Y-Position
Device A
Counter
Ready
1
0
X-Position
Device A
Counter
Ready
0
0