Samsung C8274X User Manual
CONTROL REGISTERS
S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
4-42
SPH
— Stack Pointer (High Byte)
D8H
Set 1
Bit
Identifier
.7 .6 .5 .4 .3 .2 .1 .0
Reset Value
x x x x x x x x
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7–.0
Stack Pointer Address (High Byte)
The high-byte stack pointer value is the upper eight bits of the 16-bit stack pointer
address (SP15–SP8). The lower byte of the stack pointer value is located in register
SPL (D9H). The SP value is undefined following a reset.
address (SP15–SP8). The lower byte of the stack pointer value is located in register
SPL (D9H). The SP value is undefined following a reset.
SPL
— Stack Pointer (Low Byte)
D9H
Set 1
Bit
Identifier
.7 .6 .5 .4 .3 .2 .1 .0
Reset Value
x x x x x x x x
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7–.0
Stack Pointer Address (Low Byte)
The low-byte stack pointer value is the lower eight bits of the 16-bit stack pointer
address (SP7–SP0). The upper byte of the stack pointer value is located in register
SPH (D8H). The SP value is undefined following a reset.
address (SP7–SP0). The upper byte of the stack pointer value is located in register
SPH (D8H). The SP value is undefined following a reset.