SN8P1602BV12 Datasheet, PDF (56/76 Pages) SONiX Technology Company – 8-Bit Micro-Controller

INTERRUPT OPERATION DESCRIPTION
SN8P1602B
8-Bit Micro-Controller
GIE GLOBAL INTERRUPT OPERATION
GIE is the global interrupt control bit. All interrupts start work after the GIE = 1. It is necessary for interrupt service
request. One of the interrupt requests occurs, and the program counter (PC) points to the interrupt vector (ORG 8) and
the stack add 1 level.
SN8P1602B
0DFH
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
STKP
GIE
-
-
-
-
STKPB2 STKPB1 STKPB0
Read/Write R/W
-
-
-
-
R/W
R/W
R/W
After reset
0
-
-
-
-
1
1
1
GIE: Global interrupt control bit. 0 = disable, 1 = enable.
Example: Set global interrupt control bit (GIE).
B0BSET
FGIE
; Enable GIE
Note: The GIE bit must enable during all interrupt operation.
SONiX TECHNOLOGY CO., LTD
Page 56
Version 1.2