SN8P2604
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 59
Version 1.1
6.4 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.
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
Bit 7
GIE:
Global interrupt control bit.
0 = Disable global interrupt.
1 = Enable global interrupt.
Example: Set global interrupt control bit (GIE).
B0BSET
FGIE
; Enable GIE
Note: The GIE bit must enable during all interrupt operation.