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64GA106 Datasheet(PDF) 112 Page - Microchip Technology

Part # 64GA106
Description  64/80/100-Pin, 16-Bit, General Purpose Flash Microcontrollers
PDF  330 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

64GA106 Datasheet(HTML) 112 Page - Microchip Technology

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PIC24FJ256GA110 FAMILY
DS39905E-page 112
 2010 Microchip Technology Inc.
REGISTER 7-39:
INTTREG: INTERRUPT CONTROL AND STATUS REGISTER
R-0
U-0
R/W-0
U-0
R-0
R-0
R-0
R-0
CPUIRQ
—VHOLD
—
ILR3ILR2ILR1
ILR0
bit 15
bit 8
U-0
R-0
R-0
R-0
R-0
R-0
R-0
R-0
—
VECNUM6
VECNUM5
VECNUM4
VECNUM3
VECNUM2
VECNUM1
VECNUM0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
CPUIRQ:
Interrupt Request from Interrupt Controller CPU bit
1
= An interrupt request has occurred but has not yet been Acknowledged by the CPU; this happens
when the CPU priority is higher than the interrupt priority
0
= No interrupt request is unacknowledged
bit 14
Unimplemented: Read as ‘0’
bit 13
VHOLD:
Vector Number Capture Configuration bit
1
= VECNUM bits contain the value of the highest priority pending interrupt
0
= VECNUM bits contain the value of the last Acknowledged interrupt (i.e., the last interrupt that has
occurred with higher priority than the CPU, even if other interrupts are pending)
bit 12
Unimplemented:
Read as ‘0’
bit 11-8
ILR<3:0>:
New CPU Interrupt Priority Level bits
1111
= CPU interrupt priority level is 15
•
•
•
0001
= CPU interrupt priority level is 1
0000
= CPU interrupt priority level is 0
bit 7
Unimplemented: Read as ‘0’
bit 6-0
VECNUM<6:0>:
Pending Interrupt Vector ID bits (pending vector number is VECNUM + 8)
0111111
= Interrupt vector pending is number 135
•
•
•
0000001
= Interrupt vector pending is number 9
0000000
= Interrupt vector pending is number 8



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