CC2430-RTR1-F64 datasheet(194/234 Pages) TI

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CC2430

CC2430 PRELIMINARY Data Sheet (rev. 1.03) SWRS036A

Page 194 of 232

14.34.8 Instruction Set Definition

There are 14 basic instruction types.

Furthermore the Command Strobe and

Immediate Strobe instructions can each be

divided into eleven sub-instructions giving

an effective number of 34 different

instructions. The following sub-sections

describe each instruction.

Note: the following definitions are used in

this section

CSP program counter

RF register CSPX

RF register CSPY

RF register CSPZ

RF register CSPT

14.34.8.1 DECZ

Function:

Decrement Z

Description:

The

decremented by 1. An original value of

0x00 will underflow to 0x0FF.

Operation:

Z := Z-1

Opcode:

14.34.8.2 DECY

Function:

Decrement Y

Description:

The

decremented by 1. An original value of

0x00 will underflow to 0x0FF.

Operation:

Y := Y-1

Opcode:

14.34.8.3 INCY

Function:

Increment Y

Description:

The

incremented by 1. An original value of

0x0FF will overflow to 0x00.

Operation:

Y := Y+1

Opcode:

14.34.8.4 INCMAXY

Function:

Increment Y not greater

than M.

Description:

The

incremented by 1 if the result is less than

M otherwise Y register is loaded with value

Operation:

Y:= min(Y+1, M)

Opcode:

14.34.8.5 RANDXY

Function:

Load random value into X

Description:

The [Y] LSB bits of X

Note that if two RANDXY instructions are

issued immediately after each other the

same random value will be used in both

cases.

Operation:

X[Y-1:0]:= RNG_DOUT[Y-

1:0], X[7:Y] := 0

Opcode:

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