Samsung S3F80JB User Manual

Page 105

Advertising
background image

CONTROL REGISTERS

S3F80JB

4-38

RP0

Register

Pointer

0

D6H

Set1

Bank0

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 mode only

.7 – .3

Register Pointer 0 Address Value

Register pointer 0 can independently point to one of the 248-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,bank0, selecting the 8-byte working
register slice C0H–C7H.

.2 – .0

Not used for S3F80JB.

RP1

Register

Pointer

1

D7H

Set1

Bank0

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 mode only

.7 – .3

Register Pointer 1 Address Value

Register pointer 1 can independently point to one of the 248-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, bank0, selecting the 8-byte working
register slice C8H–CFH.

.2 – .0

Not used for S3F80JB.

Advertising