S3C84E5/C84E9/P84E9CONTROL REGISTER

RP0 — Register Pointer 0

D6H

Set 1

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7

.6

.5

.4

.3

.2

.1

.0

 

 

 

 

 

 

 

 

1

1

0

0

0

R/W

R/W

R/W

R/W

R/W

Register addressing only

.7–.3

Register Pointer 0 Address Value

.2–.0

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 S3C84E5/C84E9/P84E9

RP1 — Register Pointer 1

D7H

Set 1

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7

.6

.5

.4

.3

.2

.1

.0

 

 

 

 

 

 

 

 

1

1

0

0

1

R/W

R/W

R/W

R/W

R/W

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 S3C84E5/C84E9/P84E9

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Samsung S3C84E5 user manual RP0 Register Pointer, D6H, RP1 Register Pointer, D7H, Register Pointer 1 Address Value