Rev. 3.0, 03/01, page 82 of 390
8.3
NIRR: Interrupt Request Register
The NIRR, a 16-bit register, indicates interrupt requests from the internal modules of PS/2,
PCMCIA, AFE, GPIO, Timer, KBC, IrDA, UART, PP, SCDI, USB, and ADC.
Address: H'10005000
Bit
15
14
13
12
11
10
9
8
Bit Name
PS2KBR PCC0R
PCC1R
AFER
GPIOR
TMU0R
TMU1R
KBCR
Initial Value
-
-
-
-
-
-
-
-
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit
7
6
5
4
3
2
1
0
Bit Name
PS2MSR IRDAR
UART0R -
PPR
SCDIR
USBR
ADCR
Initial Value
-
-
-
-
-
-
-
-
R/W
R/W
R/W
R/W
-
R/O
R/O
R/O
R/O
Bit
Description
Default
15
PS2 Keyboard interrupt request status (PS2KBR)
1: The interrupt request is generated from PS2 Keyboard.
0: No interrupt requests are generated from PS2 Keyboard.
-
14
PCMCIA0 interrupt request status (PCC0R)
This bit represents PCMCIA0 interrupt request status.
1: The interrupt request is generated from PCMCIA0.
0: No interrupt requests are generated from PCMCIA0.
-
13
PCMCIA1 interrupt request status (PCC1R)
This bit represents PCMCIA1 interrupt request status.
1: The interrupt request is generated from PCMCIA1.
0: No interrupt requests are generated from PCMCIA1.
-
12
AFE interrupt requests status (AFER)
This bit represents AFE interrupt requests status.
1: The interrupt request is generated from AFE,
0: No interrupt requests are generated from AFE.
-
11
GPIO interrupt request status (GPIOR)
This bit represents GPIO interrupt request status.
1: The interrupt request is generated from GPIO.
0: No interrupt requests are generated from GPIO.
-
10
TIMER 0 interrupt request status (TMU0R)
This bit represents TIMER 0 interrupt request status.
1: The interrupt request is generated from TIMER 0.
0: No interrupt requests are generated from TIMER 0.
-
Summary of Contents for HD64465
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