Register Bit Conventions - Texas Instruments CC253x User Manual

Register Conventions
Register Conventions
Each SFR and XREG register is described in a separate table, where each table title contains the
following information in the format indicated:
For SFR registers: REGISTER NAME (SFR address) – register description
For XREG registers: REGISTER NAME (XDATA address) – register description
Each table has five columns to describe the different register fields as described in the following:
Column 1 – Bit: Denotes which bits of the register are described and addressed in the specific row
Column 2 – Name: Specific name of the register field
Column 3 – Reset: Reset or initial value of the register field
Column 4 – R/W: Key indicating the accessibility of the bits in the field (see
Column 5 – Description: More details about the register field, and often a description of the functions of
the different values
In the register descriptions, each register field is shown with a symbol (R/W) indicating the access mode of
the register field. The register values are always given in binary notation unless prefixed by 0x, which
indicates hexadecimal notation.
16
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Table 0-2. Register Bit Conventions
SYMBOL
R/W Read and write
R Read-only
R0 Read as 0
R1 Read as 1
W Write-only
W0 Write as 0
W1 Write as 1
H0 Hardware clear
H1 Hardware set
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Table 0-2
ACCESS MODE
SWRU191F – April 2009 – Revised April 2014
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