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Command Strobe/CSMA-CA Processor
Function: Start program execution
Description: The ISSTART instruction starts the CSP program execution from first instruction written
to instruction memory. Do not issue an ISSTART instruction if CSP is already running.
Operation: PC := 0, start execution
Opcode: 0xE1
7 6 5 4 3 2 1 0
1 1 1 0 0 0 0 1
23.14.9.34 ISRXON
Function: Enable and calibrate frequency synthesizer for RX
Description: The ISRXON instruction immediately enables and calibrates the frequency synthesizer
for RX.
Operation: SRXON
Opcode: 0xE3
7 6 5 4 3 2 1 0
1 1 1 0 0 0 1 1
23.14.9.35 ISRXMASKBITSET
Function:
Set bit in RXENABLE
Description:
The ISRXMASKBITSET instruction immediately sets bit 5 in the RXENABLE register.
Operation: SRXMASKBITSET
Opcode: 0xE4
7 6 5 4 3 2 1 0
1 1 1 0 0 1 0 0
23.14.9.36 ISRXMASKBITCLR
Function:
Clear bit in RXENABLE
Description:
The ISRXMASKBITCLR instruction immediately clears bit 5 in the RXENABLE register.
Operation: SRXMASKBITCLR
Opcode: 0xE5
7 6 5 4 3 2 1 0
1 1 1 0 0 1 0 1
23.14.9.37 ISTXON
Function: Enable TX after calibration
Description: The ISTXON instruction immediately enables TX after calibration. The instruction waits
for the radio to acknowledge the command before executing the next instruction.
Operation: STXON_STRB
263
SWRU191C–April 2009–Revised January 2012 CC253x Radio
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