Samsung C8278X ユーザーズマニュアル

1 1 0 0 0 – – – 

R/W R/W R/W R/W R/W  – 

– 

– 

Register addressing only 

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. 

Not used for the S3C8275X/C8278X/C8274X 

 

1 1 0 0 1 – – – 

R/W R/W R/W R/W R/W  – 

– 

– 

Register addressing only 

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. 

Not used for the S3C8275X/C8278X/C8274X