CONTROL REGISTERS S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
4-40
RP0 — Register Pointer 0 D6H Set 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
1 1 0 0 0 – – –
Read/Write
R/W R/W R/W R/W R/W – – –
Addressing Mode
Register addressing only
.7–.3 Register Pointer 0 Address Value
Register pointer 0 can independently point to one of the 256-byte working register
areas in the register file. Using the register pointers RP0 and RP1, you can select
two 8-byte register slices at one time as active working register space. After a reset,
RP0 points to address C0H in register set 1, selecting the 8-byte working register
slice C0H–C7H.
.2–.0
Not used for the S3C8275X/C8278X/C8274X
RP1
— Register Pointer 1 D7H Set 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
1 1 0 0 1 – – –
Read/Write
R/W R/W R/W R/W R/W – – –
Addressing Mode
Register addressing only
.7– .3 Register Pointer 1 Address Value
Register pointer 1 can independently point to one of the 256-byte working register
areas in the register file. Using the register pointers RP0 and RP1, you can select
two 8-byte register slices at one time as active working register space. After a reset,
RP1 points to address C8H in register set 1, selecting the 8-byte working register
slice C8H–CFH.
.2– .0
Not used for the S3C8275X/C8278X/C8274X
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