Rp0 Register Pointer 0; Rp1 Register Pointer 1 - Samsung S3F80JB User Manual

CONTROL REGISTERS
RP0
— Register Pointer 0
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7 – .3
.2 – .0
RP1
— Register Pointer 1
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7 – .3
.2 – .0
4-38
.7 .6
1 1
R/W R/W
Register addressing mode only
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.
Not used for S3F80JB.
.7 .6
1 1
R/W R/W
Register addressing mode only
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.
Not used for S3F80JB.
.5 .4 .3
0 0
R/W R/W R/W
.5 .4 .3
0 0
R/W R/W R/W
D6H Set1 Bank0
.2 .1
0 – –
– –
D7H Set1 Bank0
.2 .1
1 – –
– –
S3F80JB
.0
–
–
.0
–
–