Datasheet

PIC24FJ128GC010 FAMILY
DS30009312B-page 108  2012-2013 Microchip Technology Inc.
REGISTER 8-1: SR: ALU STATUS REGISTER (IN CPU)
U-0 U-0 U-0 U-0 U-0 U-0 U-0 R/W-0
— — — — — — — DC
(1)
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R-0 R/W-0 R/W-0 R/W-0 R/W-0
IPL2
(2,3)
IPL1
(2,3)
IPL0
(2,3)
RA
(1)
N
(1)
OV
(1)
Z
(1)
C
(1)
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 15-9 Unimplemented: Read as ‘0’
bit 7-5 IPL<2:0>: CPU Interrupt Priority Level Status bits
(2,3)
111 = CPU Interrupt Priority Level is 7 (15); user interrupts are disabled
110 = CPU Interrupt Priority Level is 6 (14)
101 = CPU Interrupt Priority Level is 5 (13)
100 = CPU Interrupt Priority Level is 4 (12)
011 = CPU Interrupt Priority Level is 3 (11)
010 = CPU Interrupt Priority Level is 2 (10)
001 = CPU Interrupt Priority Level is 1 (9)
000 = CPU Interrupt Priority Level is 0 (8)
Note 1: See Register 3-1 for the description of the remaining bits (bits 8, 4, 3, 2, 1 and 0) that are not dedicated to
interrupt control functions.
2: The IPLx bits are concatenated with the IPL3 (CORCON<3>) bit to form the CPU Interrupt Priority Level.
The value in parentheses indicates the Interrupt Priority Level if IPL3 = 1.
3: The IPLx Status bits are read-only when NSTDIS (INTCON1<15>) = 1.