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S3F80P5_UM_ REV1.00 CONTROL REGISTERS
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 S3F80P5.
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 S3F80P5.
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