SN8P1700
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 96
Revision 1.93
STKP – Stack Pointer Register
Register Name
STKP
Address 0DFH
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit’s
Name
GIE
- - -
STKPB3
STKPB2
STKPB1
STKPB0
Read/Write R/W
-
-
- R/W R/W R/W R/W
Initial
Value
0 - - - 1 1 1 1
Bit4~Bit6
Undefined
GIE
Global Interrupt Control Bit
0
Disable all interrupt service request.
1
Enable interrupt service request.
STKPB0~STKPB3
Stack Pointer Indicator Bits
1111
Stack level 0.
1110
Stack level 1.
1101
Stack level 2.
1100
Stack level 3.
1011
Stack level 4.
1010
Stack level 5.
1001
Stack level 6.
1000
Stack level 7.
0111
Stack level 8.
Note: The stack pointer initial value is “1111b” (STKPB0~STKPB3).